Otsu, Japan - Weather and Climate
The climate in Otsu, Shiga, Japan, 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 complete picture.
Average maximum day and minimum 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 range from 23°C in August to 0°C in January.Check out our detailed temperature page for more information.
Temperature ranges by month
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. For more details, please visit our Otsu Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
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.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average monthly humidity
The relative humidity is high throughout the year in Otsu.
The city experiences its highest humidity in July, reaching 70%. In April, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Otsu
Select a Month of Interest
Check the conditions for any month of 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.
