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Climate in Nagoya (Honshu)


Average weather, temperature, rainfall, sunshine hours

Flag - Japan

Nagoya, where it is located


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Climate chart - Nagoya
In Nagoya, a city of Japan, located in the central part of Honshu Island, in the Chubu region and in Aichi Prefecture, the climate is humid temperate, with quite cold winters and hot, humid and rainy summers. Like the rest of Japan, the city is affected by the monsoon circulation: in winter, the northwest cold currents will prevail, while in summer, they will be replaced by hot and humid currents of tropical origin.
Nagoya is located a short distance from the sea, north of Ise Bay, in the Nobi Plain, an area famous for being particularly hot in summer.

In winter, there are mild periods, with highs around 12/15 °C (54/59 °F), but also cold and windy periods, with highs around 5/7 °C (41/45 °F) or less, and possible snowfalls (usually light). At night, there may be slight frosts.

In summer, hot and muggy periods, with sunshine, highs around 35 °C (95 °F) and above, tropical nights and high humidity, alternate with periods of bad weather, with wind and rain, and sometimes (especially in June) a little cool at night. August is the hottest month, both because of the thermal inertia of the sea and because of the lower frequency of periods of bad weather.

Rainfall is abundant, in fact, it amounts to 1,500 millimeters (60 inches) per year. Winter is the driest season; the rainiest months are June, July and September. In August, there is a certain decrease in the frequency of rains: on average, among the summer months, it is the driest and sunniest as well as the hottest.

The amount of sunshine in Nagoya is good in winter (from December to February, the sun shines more than half the time). In the other seasons, the sun does not shine very often because of both the disturbances that occur in spring and autumn and of the summer monsoon. In summer, August is sunnier than June and July.

Image of Nagoya Castle

The sea is warm enough for swimming, with a temperature of 23 °C (73 °F) or more, from July to October.

From June to October (but especially from August to early October), Nagoya can be affected by typhoons, the tropical cyclones of South-East Asia. On September 26, 1959, the city was hit hard by Typhoon Ise-wan (also called Vera).

Best Time



As regards to the climate, the best times to visit Nagoya are spring and autumn, and in particular, from mid-April to mid-May and from late October to mid-November.
The cherry blossoming in Nagoya reaches its peak around April the 1st. About a week passes between the beginning and the peak of the flowering. The blooming date can vary by a few days, or even a week, earlier or later, depending on the year. Even though in some years it can get a little cold, with highs around 12 °C (54 °F), you can also take advantage of this period.
In summer, August is partly preferable to July, having more sunshine and less rainfall, but it is also true that it is hotter and there's a greater risk of typhoons.

Nagoya - Climate data


In Nagoya, the average temperature of the coldest month (January) is of 4,7 °C, that of the warmest month (August) is of 28,9 °C. Here are the average temperatures.
Nagoya - Average temperatures (1991-2020)
Temperatures (°C)
MonthMinMaxMean
January0,68,84,7
February1,3105,6
March4,813,99,3
April10,219,614,9
May15,324,419,8
June2027,423,7
July2431,327,7
August2532,928,9
September21,128,825
October14,723,118,9
November8,417,112,7
December311,37,2
Year12,420,816,55

Precipitation amounts to 1580 millimeters per year: it is therefore abundant. It ranges from 50 millimeters in the driest month (January) to 230 millimeters in the wettest one (September). Here is the average precipitation.
Nagoya - Average precipitation
MonthRain (mm)Days
January506
February657
March11510
April13010
May15011
June18513
July21013
August1409
September23012
October16510
November807
December558
Year1580116

The sea temperature ranges from 13,5 °C in February, March to 27 °C in August. Here are the average sea temperatures.
Nagoya - Sea temperature
MonthTemperatures (°C)
January15
February13,5
March13,5
April15
May17,5
June21
July24,5
August27
September25,5
October23
November20">
December17
Year19,4

There are on average around 2140 sunshine hours per year. Here are the average hours of sunshine per day.
Nagoya - Sunshine hours
MonthAverageTotal
January5,5175
February6,5175
March6,5200
April6,5200
May6,5205
June5150
July5,5165
August6,5200
September5,5160
October5,5170
November5,5165
December5,5170
Year5,92140

Nagoya - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)


January, the coldest month of the year, is generally a quite cold month. The average temperature is of 4,7 °C, with a minimum of 0,6 °C and a maximum of 8,8 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -3,5 °C. However, it dropped to -5 °C in January 1995.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 13,5 °C. However, it reached 17 °C in January 2020.
Rain iconPrecipitation amounts to 50 mm, distributed over 6 days.
The day lasts on average 10 hours and 5 minutes.
Sun iconThere are on average 5,5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 63%.
The average wind speed is of 11,3 kph.
Sea iconThe average sea temperature is of 14,8 °C. Therefore, the sea is cold for swimming.


February is generally a quite cold month. The average temperature is of 5,6 °C, with a minimum of 1,3 °C and a maximum of 10 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -3,5 °C. However, it dropped to -7 °C in February 1999.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 17 °C. However, it reached 21 °C in February 2016.
Rain iconPrecipitation amounts to 65 mm, distributed over 7 days.
The day lasts on average 10 hours and 55 minutes.
Sun iconThere 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 of 12,5 kph.
Sea iconThe average sea temperature is of 13,7 °C. Therefore, the sea is very cold for swimming.


March is generally a mild month. The average temperature is of 9,3 °C, with a minimum of 4,8 °C and a maximum of 13,9 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -1 °C. However, it dropped to -2 °C in March 1991.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 20,5 °C. However, it reached 25 °C in March 2018.
Rain iconPrecipitation amounts to 115 mm, distributed over 10 days.
The day lasts on average 12 hours and 0 minutes.
Sun iconThere are on average 6,5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 56%.
The average wind speed is of 13,2 kph.
Sea iconThe average sea temperature is of 13,6 °C. Therefore, the sea is very cold for swimming.


April is generally a very mild month. The average temperature is of 14,9 °C, with a minimum of 10,2 °C and a maximum of 19,6 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 3 °C. However, it dropped to 0 °C in April 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 26,5 °C. However, it reached 30 °C in April 1998.
Rain iconPrecipitation amounts to 130 mm, distributed over 10 days.
The day lasts on average 13 hours and 5 minutes.
Sun iconThere are on average 6,5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 57%.
The average wind speed is of 12,5 kph.
Sea iconThe average sea temperature is of 14,8 °C. Therefore, the sea is cold for swimming.


May is generally a warm month. The average temperature is of 19,8 °C, with a minimum of 15,3 °C and a maximum of 24,4 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 9 °C. However, it dropped to 4 °C in May 1991.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 30,5 °C. However, it reached 34 °C in May 2019.
Rain iconPrecipitation amounts to 150 mm, distributed over 11 days.
The day lasts on average 14 hours and 0 minutes.
Sun iconThere are on average 6,5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 61%.
The average wind speed is of 11,6 kph.
Sea iconThe average sea temperature is of 17,6 °C. Therefore, the sea is cold for swimming.


June is generally a warm to hot month. The average temperature is of 23,7 °C, with a minimum of 20 °C and a maximum of 27,4 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 15,5 °C. However, it dropped to 13 °C in June 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 33 °C. However, it reached 36 °C in June 2011.
Rain iconPrecipitation amounts to 185 mm, distributed over 13 days.
The day lasts on average 14 hours and 30 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
Sun iconThere are on average 5 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 68%.
The average wind speed is of 10,2 kph.
Sea iconThe average sea temperature is of 21 °C. Therefore, the sea is cool for swimming.


July is generally a very hot, muggy month. The average temperature is of 27,7 °C, with a minimum of 24 °C and a maximum of 31,3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 20,5 °C. However, it dropped to 17 °C in July 1996.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 36,5 °C. However, it reached 40 °C in July 2018.
Rain iconPrecipitation amounts to 210 mm, distributed over 13 days.
The day lasts on average 14 hours and 10 minutes.
Sun iconThere are on average 5,5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of 10,5 kph.
Sea iconThe average sea temperature is of 24,4 °C. Therefore, the sea is warm enough for swimming.


August, the hottest month of the year, is generally a very hot month. The average temperature is of 28,9 °C, with a minimum of 25 °C and a maximum of 32,9 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 21 °C. However, it dropped to 18 °C in August 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 37 °C. However, it reached 39 °C in August 1994.
Rain iconPrecipitation amounts to 140 mm, distributed over 9 days.
The day lasts on average 13 hours and 25 minutes.
Sun iconThere are on average 6,5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 68%.
The average wind speed is of 10,9 kph.
Sea iconThe average sea temperature is of 27 °C. Therefore, the sea is pleasantly warm and allows long swims.


September is generally a warm to hot month. The average temperature is of 25 °C, with a minimum of 21,1 °C and a maximum of 28,8 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 15 °C. However, it dropped to 10 °C in September 1992.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 34 °C. However, it reached 38 °C in September 2010.
Rain iconPrecipitation amounts to 230 mm, distributed over 12 days.
The day lasts on average 12 hours and 25 minutes.
Sun iconThere are on average 5,5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 69%.
The average wind speed is of 10,6 kph.
Sea iconThe average sea temperature is of 25,7 °C. Therefore, the sea is warm enough for swimming.


October is generally a warm month. The average temperature is of 18,9 °C, with a minimum of 14,7 °C and a maximum of 23,1 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 8 °C. However, it dropped to 4 °C in October 1997.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 29 °C. However, it reached 33 °C in October 2019.
Rain iconPrecipitation amounts to 165 mm, distributed over 10 days.
The day lasts on average 11 hours and 20 minutes.
Sun iconThere are on average 5,5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 67%.
The average wind speed is of 10 kph.
Sea iconThe average sea temperature is of 22,8 °C. Therefore, the sea can be considered barely acceptable for swimming.


November is generally a mild month. The average temperature is of 12,7 °C, with a minimum of 8,4 °C and a maximum of 17,1 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 2,5 °C. However, it dropped to 0 °C in November 1997.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 22,5 °C. However, it reached 25 °C in November 2000.
Rain iconPrecipitation amounts to 80 mm, distributed over 7 days.
The day lasts on average 10 hours and 20 minutes.
Sun iconThere are on average 5,5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 65%.
The average wind speed is of 9,7 kph.
Sea iconThe average sea temperature is of 20 °C. Therefore, the sea is very cool for swimming.


December is generally a quite mild month. The average temperature is of 7,2 °C, with a minimum of 3 °C and a maximum of 11,3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -2 °C. However, it dropped to -4 °C in December 1995.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 17 °C. However, it reached 23 °C in December 2015.
Rain iconPrecipitation amounts to 55 mm, distributed over 8 days.
The day lasts on average 9 hours and 50 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
Sun iconThere are on average 5,5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 65%.
The average wind speed is of 10,4 kph.
Sea iconThe average sea temperature is of 17,2 °C. Therefore, the sea is cold for swimming.

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