Climate - Tianjin (China)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Tianjin
In Tianjin (or Tientsin), the climate is continental, with cold but sunny winters and hot, sultry, and rainy summers. Like many areas of China, the city is affected by the monsoon circulation: in winter, the northwest cold currents prevail, while in summer, they are be replaced by hot and humid currents of tropical origin. Spring and autumn are transitional seasons.
The city is located in northeastern China, at 39 degrees north latitude, on the coast of the Bohai Sea, and southeast of Beijing, compared to which it has a similar but slightly milder climate.
Air pollution is high, especially in winter.
Here are the average temperatures.
Tianjin - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | -7.9 | 2 | -3 | 18 | 36 | 26.7 |
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| February | -4.8 | 5.7 | 0.5 | 23 | 42 | 32.8 |
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| March | 2 | 12.5 | 7.3 | 36 | 54 | 45.1 |
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| April | 9.7 | 20.3 | 15 | 49 | 69 | 59 |
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| May | 15.9 | 26.3 | 21.1 | 61 | 79 | 69.9 |
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| June | 20.4 | 29.7 | 25 | 69 | 85 | 77.1 |
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| July | 23.4 | 31.3 | 27.3 | 74 | 88 | 81.2 |
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| August | 22.3 | 30.5 | 26.4 | 72 | 87 | 79.5 |
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| September | 16.8 | 26.6 | 21.7 | 62 | 80 | 71.1 |
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| October | 9.1 | 19.5 | 14.3 | 48 | 67 | 57.8 |
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| November | 0.7 | 10.2 | 5.5 | 33 | 50 | 41.9 |
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| December | -5.7 | 3.4 | -1.2 | 22 | 38 | 29.9 |
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| Year | 8.6 | 18.2 | 13.35 | 47.4 | 64.8 | 56 |
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Precipitation amounts to 510 mm (20 inches) per year: the rains are not abundant, but are concentrated in the summer months. Here is the average precipitation.
Tianjin - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 2 | 0.1 | 2 |
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| February | 4 | 0.1 | 2 |
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| March | 8 | 0.3 | 3 |
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| April | 20 | 0.8 | 5 |
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| May | 35 | 1.4 | 6 |
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| June | 80 | 3.1 | 8 |
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| July | 150 | 5.9 | 11 |
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| August | 125 | 4.9 | 9 |
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| September | 45 | 1.8 | 6 |
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| October | 25 | 1 | 5 |
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| November | 11 | 0.4 | 3 |
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| December | 3 | 0.1 | 2 |
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| Year | 510 | 20.1 | 61 |
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In winter, the average temperature is around or below freezing (0 °C or 32 °F); sunshine is quite common, and a cold wind often blows from the deserts of Mongolia. On colder periods, the temperature remains below freezing even during the day, and it can drop to -15 °C (5 °F) at night. In January 2021, the temperature dropped to -20 °C (-4 °F), the lowest value since 1966, when the record was set with -23 °C (-9.5 °F).
Although the winter is a dry season, sometimes it can snow.
In winter, and especially in spring (March to May), the city can be affected by the yellow dust coming from the deserts of Mongolia and of Central Asia, which forms a characteristic haze and brings breathing problems and eye irritation. On the other hand, when the wind is weak and the air is stagnant (a situation that occurs more easily in winter, while in summer, the heat makes the air rise, in addition, it can rain), the city can be affected by local smog.
In spring, the temperature rapidly increases, so much so that it often exceeds 20 °C (68 °F) already in April, while in May, the average maximum is around 26 °C (79 °F), which confirms how early the weather becomes warm.
In June, it's already hot as in the middle of summer, then, in July and August, the maximum temperature does not increase any more because the summer monsoon arrives around mid-June, bringing rains, sometimes heavy, and high humidity. So, the summer in Tianjin is hot but especially muggy. July and August are the rainiest month.
Anyway, the monsoon is quite irregular, here as in the north-eastern part of China, so the rains may be more or less abundant depending on year.
There may be entire weeks without rain even in summer, during which it can be very hot, with highs about 35 °C (95 °F), and the perceived temperature even exceeding 40 °C (104 °F) because of the humidity. Occasionally, such as in late June 2022 and early July 2000, a real temperature of 40 °C (104 °F) can be reached. In the neighborhoods closest to the sea, however, the breeze tempers the heat a bit.
In autumn, the weather improves, rainfall decreases, and already in October, the rains become quite rare. By September, the humidity decreases and the temperature becomes pleasant, while in October, nights begin to be very cool.
The sun in Tianjin shines quite often all year round, for a total of 2,375 hours. The least sunny months, at least when considering the length of the days, are July and August. Here are the average sunshine hours per day.
Tianjin - Sunshine hours| Month | Average | Total |
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January | 5.5 | 170 | February | 6 | 170 | March | 6.5 | 200 | April | 7.5 | 225 | May | 8 | 250 | June | 7.5 | 225 | July | 6.5 | 205 | August | 6.5 | 205 | September | 7 | 205 | October | 6.5 | 195 | November | 5.5 | 165 | December | 5 | 160 | Year | 6.5 | 2375 |
Near Tianjin, the sea is very cold in winter, but it warms up a lot in summer, reaching 25 °C (77 °F) in August. Here are the average sea temperatures.
Tianjin - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
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January | 4 | 39 | February | 3 | 37 | March | 4 | 39 | April | 7 | 45 | May | 12 | 54 | June | 18 | 64 | July | 23 | 73 | August | 25 | 77 | September | 23 | 73 | October | 19 | 66 | November | 14 | 57 | December | 8 | 46 | Year | 13.4 | 56.1 |
From July to early October (and occasionally also in the second half of June), Tianjin can be affected by typhoons, the tropical cyclones of South-East Asia, although it is rarely hit, in fact typhoons generally affect Korea and the easternmost part of northern China, besides, at these latitudes they arrive weakened.
Best Time
The best times to visit Tianjin are spring and autumn, in order to avoid both the cold of winter and the heat and the rains of summer, and in particular, from mid-April to mid-May and from mid-September to mid-October.
Tianjin - Weather by month
Based on the period 1991-2020
In January, the coldest month of the year, the weather in Tianjin is usually very cold. The average temperature is of -3.0 °C (27 °F), with a minimum of -7.9 °C (17.8 °F) and a maximum of 2 °C (35.5 °F).
On the coldest nights of the month, the temperature usually drops to around -12.5 °C (9.5 °F). However, it dropped to -19 °C (-2.2 °F) in January 2010.
On the warmest days of the month, the temperature usually reaches around 8 °C (47 °F). However, it reached 13 °C (55.4 °F) in January 2002.
Precipitation amounts to only 2 mm (0.1 in), distributed over 2 days.
The day lasts on average 9 hours and 50 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 53%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 4 °C (39 °F). Therefore, the sea is very cold for swimming.
In February, the weather in Tianjin is usually cold. The average temperature is of 0.4 °C (33 °F), with a minimum of -4.8 °C (23.4 °F) and a maximum of 5.7 °C (42.2 °F).
On the coldest nights of the month, the temperature usually drops to around -10 °C (14 °F). However, it dropped to -14 °C (6.8 °F) in February 2006.
On the warmest days of the month, the temperature usually reaches around 14 °C (57 °F). However, it reached 19 °C (66.2 °F) in February 1992.
Precipitation amounts to only 4 mm (0.2 in), distributed over 2 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 51%.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 3 °C (37.5 °F). Therefore, the sea is very cold for swimming.
In March, the weather in Tianjin is usually quite mild. The average temperature is of 7.3 °C (45 °F), with a minimum of 2 °C (35.6 °F) and a maximum of 12.5 °C (54.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -4.5 °C (24 °F). However, it dropped to -10 °C (14 °F) in March 2007.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 23 °C (73.5 °F). However, it reached 30 °C (86 °F) in March 2009.
Precipitation amounts to only 8 mm (0.3 in), distributed over 3 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 46%.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 4 °C (39 °F). Therefore, the sea is very cold for swimming.
In April, the weather in Tianjin is usually very mild. The average temperature is of 15.0 °C (59 °F), with a minimum of 9.7 °C (49.5 °F) and a maximum of 20.3 °C (68.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3 °C (37 °F). However, it dropped to -1 °C (30.2 °F) in April 1993.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 35 °C (95 °F) in April 2020.
Precipitation amounts to 20 mm (0.8 in), distributed over 5 days.
The day lasts on average 13 hours and 20 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 46%.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 7 °C (44.5 °F). Therefore, the sea is very cold for swimming.
In May, the weather in Tianjin is usually warm. The average temperature is of 21.1 °C (70 °F), with a minimum of 15.9 °C (60.6 °F) and a maximum of 26.3 °C (79.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 10 °C (50 °F). However, it dropped to 7 °C (44.6 °F) in May 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 40 °C (104 °F) in May 2014.
Precipitation amounts to 35 mm (1.4 in), distributed over 6 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 50%.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 12 °C (53.5 °F). Therefore, the sea is very cold for swimming.
In June, the weather in Tianjin is usually warm to hot. The average temperature is of 25.0 °C (77 °F), with a minimum of 20.4 °C (68.8 °F) and a maximum of 29.7 °C (85.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 15.5 °C (59.5 °F). However, it dropped to 11 °C (51.8 °F) in June 1997.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 36 °C (96.5 °F). However, it reached 39 °C (102.2 °F) in June 2018.
Precipitation amounts to 80 mm (3.1 in), distributed over 8 days.
The day lasts on average 14 hours and 55 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 63%.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 18 °C (64.5 °F). Therefore, the sea is cold for swimming.
In July, the hottest month of the year, the weather in Tianjin is usually warm to hot and muggy. The average temperature is of 27.3 °C (81 °F), with a minimum of 23.4 °C (74 °F) and a maximum of 31.3 °C (88.3 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67 °F). However, it dropped to 17 °C (62.6 °F) in July 2004.
On the warmest days of the month, the temperature usually reaches around 36.5 °C (98 °F). However, it reached 40 °C (104 °F) in July 1999.
Precipitation amounts to 150 mm (5.9 in), distributed over 11 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
There are on average 6.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 23 °C (73.5 °F). Therefore, the sea can be considered barely acceptable for swimming.
In August, the weather in Tianjin is usually warm to hot and muggy. The average temperature is of 26.4 °C (80 °F), with a minimum of 22.3 °C (72.1 °F) and a maximum of 30.5 °C (86.9 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (64 °F). However, it dropped to 14 °C (57.2 °F) in August 1996.
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 37 °C (98.6 °F) in August 2005.
Precipitation amounts to 125 mm (4.9 in), distributed over 9 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
The average sea temperature is of 25 °C (77 °F). Therefore, the sea is warm enough for swimming.
In September, the weather in Tianjin is usually warm. The average temperature is of 21.7 °C (71 °F), with a minimum of 16.8 °C (62.3 °F) and a maximum of 26.6 °C (80 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 10.5 °C (51 °F). However, it dropped to 7 °C (44.6 °F) in September 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 36 °C (96.8 °F) in September 2002.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 65%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 23 °C (73.5 °F). Therefore, the sea can be considered barely acceptable for swimming.
In October, the weather in Tianjin is usually mild. The average temperature is of 14.3 °C (58 °F), with a minimum of 9.1 °C (48.4 °F) and a maximum of 19.5 °C (67.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 1.5 °C (35 °F). However, it dropped to -3 °C (26.6 °F) in October 2002.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27 °C (80.5 °F). However, it reached 31 °C (87.8 °F) in October 2006.
Precipitation amounts to 25 mm (1 in), distributed over 5 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 59%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 19 °C (66 °F). Therefore, the sea is very cool for swimming.
In November, the weather in Tianjin is usually quite cold. The average temperature is of 5.5 °C (42 °F), with a minimum of 0.7 °C (33.3 °F) and a maximum of 10.2 °C (50.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -5.5 °C (22 °F). However, it dropped to -11 °C (12.2 °F) in November 2015.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 19 °C (66.5 °F). However, it reached 23 °C (73.4 °F) in November 2006.
Precipitation amounts to 11 mm (0.4 in), distributed over 3 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 57%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 14 °C (57 °F). Therefore, the sea is very cold for swimming.
In December, the weather in Tianjin is usually very cold. The average temperature is of -1.2 °C (30 °F), with a minimum of -5.7 °C (21.7 °F) and a maximum of 3.4 °C (38.1 °F).
On the coldest nights of the month, the temperature usually drops to around -11 °C (12.5 °F). However, it dropped to -17 °C (1.4 °F) in December 2020.
On the warmest days of the month, the temperature usually reaches around 9.5 °C (49.5 °F). However, it reached 14 °C (57.2 °F) in December 2008.
Precipitation amounts to only 3 mm (0.1 in), distributed over 2 days.
The day lasts on average 9 hours and 30 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 55%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 8 °C (46.5 °F). Therefore, the sea is very cold for swimming.
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