ClimateForecastDecemberJanuary >>

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

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:
  • Which months have the greatest rainfall in Osaka?
    Most rainfall (rainy season) is seen in June, July, September and October.
  • Which is the warmest month in Osaka?
    August has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Osaka?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Osaka?
    June tops the wettest month list with 207 mm of rainfall.
  • Which is the driest month in Osaka?
    January is the driest month with 64 mm of precipitation.
  • Which is the sunniest month in Osaka?
    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.

    Forecast for Osaka

    Thu   Dec 12
    11°C | 5°C
    N 14 km/h
    almost clear and no rain

    almost clear and no rain

    Fri   Dec 13
    12°C | 5°C
    SW 11 km/h
    1.1 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain

    Sat   Dec 14
    11°C | 5°C
    N 11 km/h
    0.3 mm
    partly cloudy and slight rain

    partly cloudy and slight rain