Kosaka Weather & Climate: Best Time to Visit
Kosaka, Japan, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in August, while winters cool to 1°C (34°F) in January.
With around 1532 mm (60 in) of annual rain/snowfall, Kosaka has a notably wet climate. The wettest month is August. The sunniest month is May, with 6.6 hours of sunshine per day on average.
Monthly Temperature in Kosaka
Depending on the time of the year, temperatures range from comfortable to very cold in Kosaka. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a very cold 1°C (34°F).
At night, temperatures range from around 19°C (66°F) in August to -7°C (19°F) in January.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kosaka
Kosaka has a relatively rain/snowy climate with high precipitation levels, averaging 1532 mm (60 in) of rain/snowfall annually. Kosaka experiences moderate seasonal variation in rainfall, with monthly averages ranging from 177 mm (7 in) in August, the wettest month, and 97 mm (3.8 in) in January, the driest month. For more details, please visit our Kosaka 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 Kosaka
Kosaka experiences moderate variation in sunshine hours across the seasons. With 6.6 hours daily sunshine in May, it dips to 4.2 hours in December, 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 Kosaka by Month
The relative humidity is high throughout the year in Kosaka.
The city experiences its highest humidity in July, reaching 83%. In March, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Kosaka 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Kosaka
During the months of May, June and October, Kosaka enjoys pleasant weather with average temperatures ranging from 17°C (62°F) to 22°C (72°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 112 mm (4.4 in) in May to 131 mm (5.2 in) in October. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during July, August and September, bringing heavy precipitation. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
