Tosu Weather & Climate: Best Time to Visit
Tosu, Saga, Japan, experiences significant temperature variation throughout the year. Summers bring daytime highs of 33°C (91°F) in August, while winters cool to 11°C (52°F) in January.
With around 1901 mm (75 in) of annual rain/snowfall, Tosu has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct rainy season from June to September. The wettest month is June. The sunniest month is May, with 6.8 hours of sunshine per day on average.
Monthly Temperature in Tosu
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
Rainfall in Tosu
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 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
Sunshine Hours in Tosu
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
Humidity in Tosu by Month
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
Tosu 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Tosu
During the months of April, October and November, Tosu enjoys pleasant weather with average temperatures ranging from 19°C (66°F) to 25°C (76°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 89 mm (3.5 in) in November to 147 mm (5.8 in) in April. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during June, July, August and September, bringing heavy precipitation. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
