Otsu Climate by Month
The climate in Otsu is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to cold in the cooler months.
It also has a relatively rain/snowy climate with high levels of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
In Otsu, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 33°C in August to a chilly 9°C in January. Nighttime temperatures can drop, with averages reaching 0°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Otsu experiences significant rain/snowfall throughout the year, averaging 1597 mm of precipitation annually. The seasons in Otsu, bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 214 mm of precipitation. This rainfall is distributed across 19 rainy days. In contrast, the driest month, December, experiences much less rainfall, totaling 68 mm over 18 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Otsu enjoys sunny spells year-round. May sees up to 6.2 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 4.0 hours of sun despite this cloudier time of the year.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Otsu.
Relative humidity over the year
The best time of year to visit Otsu in Japan
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in June, July, September and October.
August has an average maximum temperature of 33°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
July tops the wettest month list with 214 mm of rainfall.
December is the driest month with 68 mm of precipitation.
August is the sunniest month with an average of 185 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.