Osaka Climate by Month
Osaka has a humid subtropical climate. Average temperatures vary throughout the year. In summer (July and August) temperatures exceed 30°C. The whole year you can experience rain and humidity and it's always cloudy.
Winters are very mild and temperatures rarely drop below zero.
Average day and night temperature
In Osaka, temperatures differ significantly between summer and winter months. Average daytime temperatures range from a very warm 34°C in August, the warmest time of the year, to a chilly 10°C during cooler months like January. At night, temperatures typically average around 2°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Osaka experiences significant rain/snowfall throughout the year, averaging 1507 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives heavy rainfall, averaging 207 mm of precipitation, recorded across 18 rainy days. In contrast, the drier season, January brings less rainfall, with 64 mm over 18 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
While the amount of sunshine in Osaka varies throughout the year, all seasons offer their own charm. Enjoy up to 7.4 hours of daily sun in August, and experience slightly darker atmosphere in February, with about 4.7 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Osaka.
Relative humidity over the year
The best time of year to visit Osaka in Japan
During the months of April, 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 34°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 10°C.
June tops the wettest month list with 207 mm of rainfall.
January is the driest month with 64 mm of precipitation.
August is the sunniest month with an average of 223 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.