Weather in Nagoya in August 2025
- August is usually the hottest month of the year in Nagoya;
Average weather
Average temperature in Nagoya in August
The expected average maximum temperature in August is +33°C with a maximum of +37°C and a minimum of +24°C.
The average maximum temperature goes down 15% by the end of the month, compared with the beginning of the month, from +34°C to +32°C.
Is Nagoya warm or cold in August?
Nagoya is typically hot in August.
Maximum temperatures go up compared to the previous month from +31°C to +32°C. The minimum temperature also goes up from +24°C to +25°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is the hottest month in Nagoya, here is the comparison with other months:
Climate in Nagoya in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +32°C | +28°C | ||||
| Min. temperature | ||||||
| +16°C | +16°C | +10°C | ||||
| Max. temperature | ||||||
| +39°C | +39°C | +38°C | ||||
| Rainfall | ||||||
| 196 mm | 133 mm | 195 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 78% | 75% | 76% | ||||
| Air pressure | ||||||
| 1008 HPa | 1009 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 3 | ||||
| Cloudy days | ||||||
| 8 | 8 | 9 | ||||
| Rainy days | ||||||
| 19 | 18 | 17 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +31°C to +32°C during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 196 mm to 133 mm. It feels drier, as humidity decreases from 78% to 75%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Nagoya is gradually increasing during August, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in Nagoya?
Climate Change over Years
The climate in Nagoya in August has not changed much over the last 43 years.
The average temperature was the lowest in 1981 (+19°C) and the highest in 2023 (+22°C). The driest year was 1984 with only 953 mm of rainfall, and the wettest year was 2022 with 2090 mm.
FAQ
Is August a good time to visit Nagoya?
Can you sunbathe in Nagoya in August?
Is Nagoya rainy in August?
Is it sunny in Nagoya in August?
Other cities in Japan
Monthly weather in Nagoya
Source of the data
For this page, we’ve looked at the typical weather in Nagoya, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.