Toyokawa Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Toyokawa.
Climate overview of Toyokawa
Toyokawa, Aichi, Japan, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in August, while winters cool to 11°C (52°F) in January.
With around 1975 mm (78 in) of annual rain/snowfall, Toyokawa has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has a distinct rainy season from May to July, with very warm summers and cold winters. The wettest month is June. The sunniest month is August, with 7.1 hours of sunshine per day on average.
Toyokawa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Toyokawa - and find the best time to visit.
Monthly Temperature in Toyokawa
Depending on the time of the year, temperatures range from very warm to chilly in Toyokawa. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).
At night, temperatures range from around 24°C (75°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Toyokawa
Toyokawa has a relatively rain/snowy climate with high precipitation levels, averaging 1975 mm (78 in) of rain/snowfall annually. Toyokawa can be quite wet during June, receiving approximately 263 mm (10 in) of precipitation over 18 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 69 mm (2.7 in) of precipitation spread across 10 rainy days. For more details, please visit our Toyokawa Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Toyokawa
Toyokawa experiences moderate variation in sunshine hours across the seasons. With 7.1 hours daily sunshine in August, it dips to 5.0 hours in June, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Toyokawa by Month
The relative humidity is high throughout the year in Toyokawa.
The city experiences its highest humidity in June, reaching 77%. In February, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Toyokawa
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April and May
- Warmest weather: July and August
- Most sunshine: January, March, May, August and December
- Fewest rainy days: January, February, November and December
- Seasonal pattern: A distinct rainy season from May to July, with very warm summers and cold winters
Frequently asked questions about the climate in Toyokawa
What is the best time to visit Toyokawa?
April and May typically offer the most optimal weather in Toyokawa. In contrast, June and July tend to have less optimal conditions. Toyokawa has a distinct rainy season from May to July, with very warm summers and cold winters.
What temperatures can I expect in Toyokawa?
Daytime highs range from 11°C (52°F) in January to 32°C (90°F) in August. Nighttime lows range from 2°C (36°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Toyokawa get?
Annual rainfall is around 1975 mm (78 in). June is the wettest month with 263 mm (10 in), while December is the driest with 69 mm (2.7 in).
How sunny is Toyokawa?
Toyokawa receives around 2,256 hours of sunshine per year. August is the sunniest month with 212 hours, while June is the cloudiest with just 151 hours. Overall, Toyokawa enjoys abundant sunshine.
Toyokawa 3-Day Forecast
Toyokawa on the map
Toyokawa is highlighted - select any city to see its climate.
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