Tosu Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to chilly in Tosu. Average daytime temperatures reach a very warm 33°C (91°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

Tosu has a relatively rain/snowy climate with high precipitation levels, averaging 1901 mm (75 in) of rain/snowfall annually. Tosu can be quite wet during June, receiving approximately 360 mm (14 in) of precipitation over 18 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 69 mm (2.7 in) of precipitation spread across 19 rainy days. For more details, please visit our Tosu Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Tosu can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.8 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 3.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Tosu.

The city experiences its highest humidity in July, reaching 76%. In January, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year