Climate - Warsaw (Poland)

The climate of Warsaw is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and pleasantly warm summers.
Warsaw is the capital of Poland (as well as of the Masovian Voivodeship) and is located in the central-eastern part of the country.
Winter is cold and gray. Snowfalls are frequent, but generally not abundant.
Sometimes, cold waves from Siberia can occur, and the temperatures can drop to -20 °C (-4 °F) or below. The coldest record is -30.7 °C (-23.3 °F) and was set in January 1987.
In summer, the temperatures are pleasant and suitable for outdoor activities, although sometimes there can be rains and thunderstorms.
Every now and then (and more often in recent years due to global warming), there can be short heat waves, with maximum temperatures exceeding 30 °C (86 °F). The highest record is 37 °C (98.6 °F) and was set in August 2013.

The latitude of Warsaw (52°14'N) is not high enough to observe the phenomenon of the white nights, in which the sun sets but it does not get completely dark even at midnight.
On June 21, the longest day of the year, the sun rises at 4:14 am and sets at 9:01 pm. On December 21, the shortest day of the year, the sun rises at 7:43 am and sets at 3:25 pm.

Best Time

The best time to visit Warsaw runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.

Warsaw - Climate data

In Warsaw, the average temperature of the coldest month (January) is of -1.5 °C (29.3 °F), that of the warmest month (July) is of 19.8 °C (67.7 °F). Here are the average temperatures.
In Warsaw, precipitation amounts to 550 millimeters (21.7 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest months (January, February, March) to 85 mm (3.3 in) in the wettest one (July). Here is the average precipitation.
In Warsaw, there are on average around 2000 sunshine hours per year. Here are the average hours of sunshine per day.

Warsaw - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Warsaw is usually very cold. The average temperature is of -1.5 °C (29 °F), with a minimum of -4 °C (24.8 °F) and a maximum of 1 °C (33.8 °F).
On the coldest nights of the month, the temperature usually drops to around -15.5 °C (4 °F). However, it dropped to -27.1 °C (-16.8 °F) in January 2006.
On the warmest days of the month, the temperature usually reaches around 9 °C (48 °F). However, it reached 13.8 °C (56.8 °F) in January 1993.
Precipitation amounts to 30 mm (1.2 in), distributed over 8 days.
The day lasts on average 8 hours and 20 minutes.
There are on average 1.5 hours of sunshine per day. So, the sun shines 17% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).

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In February, the weather in Warsaw is usually very cold. The average temperature is of -0.4 °C (31 °F), with a minimum of -3.3 °C (26.1 °F) and a maximum of 2.6 °C (36.7 °F).
On the coldest nights of the month, the temperature usually drops to around -13 °C (8.5 °F). However, it dropped to -23.1 °C (-9.6 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 10.5 °C (51 °F). However, it reached 15 °C (59 °F) in February 2020.
Precipitation amounts to 30 mm (1.2 in), distributed over 8 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 24% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).

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In March, the weather in Warsaw is usually cold. The average temperature is of 3.4 °C (38 °F), with a minimum of -0.6 °C (30.9 °F) and a maximum of 7.4 °C (45.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -8.5 °C (17 °F). However, it dropped to -17.2 °C (1 °F) in March 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 17 °C (62 °F). However, it reached 22.4 °C (72.3 °F) in March 2014.
Precipitation amounts to 30 mm (1.2 in), distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).

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In April, the weather in Warsaw is usually mild. The average temperature is of 9.3 °C (49 °F), with a minimum of 4 °C (39.2 °F) and a maximum of 14.6 °C (58.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -3 °C (26.5 °F). However, it dropped to -5.5 °C (22.1 °F) in April 1996.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 24 °C (75 °F). However, it reached 30.4 °C (86.7 °F) in April 2012.
Precipitation amounts to 35 mm (1.4 in), distributed over 7 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 66%.
The average wind speed is 14 kph (9 mph).

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In May, the weather in Warsaw is usually mild. The average temperature is of 14.3 °C (58 °F), with a minimum of 8.8 °C (47.8 °F) and a maximum of 19.8 °C (67.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 1.5 °C (34.5 °F). However, it dropped to -2.6 °C (27.3 °F) in May 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 28 °C (82 °F). However, it reached 32.8 °C (91 °F) in May 2005.
Precipitation amounts to 55 mm (2.2 in), distributed over 9 days.
The day lasts on average 15 hours and 50 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 66%.
The average wind speed is 13 kph (8 mph).

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In June, the weather in Warsaw is usually very mild. The average temperature is of 17.8 °C (64 °F), with a minimum of 12.4 °C (54.3 °F) and a maximum of 23.1 °C (73.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (43.5 °F). However, it dropped to 3.9 °C (39 °F) in June 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 36 °C (96.8 °F) in June 2019.
Precipitation amounts to 60 mm (2.4 in), distributed over 9 days.
The day lasts on average 16 hours and 40 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 9.5 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 68%.
The average wind speed is 13 kph (8 mph).

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In July, the warmest month of the year, the weather in Warsaw is usually warm. The average temperature is of 19.8 °C (68 °F), with a minimum of 14.5 °C (58.1 °F) and a maximum of 25.2 °C (77.4 °F).
On the coldest nights of the month, the temperature usually drops to around 9 °C (48 °F). However, it dropped to 6.7 °C (44.1 °F) in July 1991.
On the warmest days of the month, the temperature usually reaches around 32.5 °C (90 °F). However, it reached 36 °C (96.8 °F) in July 2013.
Precipitation amounts to 85 mm (3.3 in), distributed over 10 days.
The day lasts on average 16 hours and 10 minutes. So the days are long.
There are on average 9.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 69%.
The average wind speed is 12 kph (7 mph).

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In August, the weather in Warsaw is usually warm. The average temperature is of 19.2 °C (67 °F), with a minimum of 13.8 °C (56.8 °F) and a maximum of 24.7 °C (76.5 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46 °F). However, it dropped to 4 °C (39.2 °F) in August 1998.
On the warmest days of the month, the temperature usually reaches around 32 °C (90 °F). However, it reached 37 °C (98.6 °F) in August 1992.
Precipitation amounts to 60 mm (2.4 in), distributed over 8 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 70%.
The average wind speed is 11 kph (7 mph).

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In September, the weather in Warsaw is usually mild. The average temperature is of 14.3 °C (58 °F), with a minimum of 9.5 °C (49.1 °F) and a maximum of 19.1 °C (66.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 2.5 °C (36.5 °F). However, it dropped to -0.3 °C (31.5 °F) in September 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 26.5 °C (80 °F). However, it reached 35 °C (95 °F) in September 2015.
Precipitation amounts to 50 mm (2 in), distributed over 8 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).

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In October, the weather in Warsaw is usually mild. The average temperature is of 9.0 °C (48 °F), with a minimum of 5 °C (41 °F) and a maximum of 12.9 °C (55.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -3 °C (26.5 °F). However, it dropped to -8 °C (17.6 °F) in October 2012.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 22 °C (71.5 °F). However, it reached 24.4 °C (75.9 °F) in October 2001.
Precipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).

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In November, the weather in Warsaw is usually cold. The average temperature is of 3.9 °C (39 °F), with a minimum of 1.3 °C (34.3 °F) and a maximum of 6.5 °C (43.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -6.5 °C (20 °F). However, it dropped to -16.9 °C (1.6 °F) in November 1998.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 15 °C (58.5 °F). However, it reached 20 °C (68 °F) in November 2018.
Precipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 8 hours and 40 minutes.
There are on average 1.5 hours of sunshine per day. So, the sun shines 19% of the time.
The average humidity is 89%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).

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In December, the weather in Warsaw is usually very cold. The average temperature is of -0.1 °C (32 °F), with a minimum of -2.5 °C (27.5 °F) and a maximum of 2.3 °C (36.1 °F).
On the coldest nights of the month, the temperature usually drops to around -12 °C (11 °F). However, it dropped to -22 °C (-7.6 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 9.5 °C (49 °F). However, it reached 15 °C (59 °F) in December 2015.
Precipitation amounts to 35 mm (1.4 in), distributed over 8 days.
The day lasts on average 7 hours and 50 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 1 hours of sunshine per day. So, the sun shines 14% of the time.
The average humidity is 89%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).