Climate in Osaka (Osaka Prefecture), Japan

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Average min and max temperatures in Osaka, Japan   Copyright © 2022  weather-and-climate.com

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in Osaka, Japan   Copyright © 2022  weather-and-climate.com

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in Osaka, Japan   Copyright © 2022  weather-and-climate.com

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in Osaka, Japan   Copyright © 2022  weather-and-climate.com

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Average humidity

The mean monthly relative humidity over the year

Average relative humidity in Osaka, Japan   Copyright © 2022  weather-and-climate.com

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Weather Forecasts for Osaka (Osaka Prefecture)

TUE Jan 18
5°C | 2°C
Patchy rain possible

Patchy rain possible

WED Jan 19
6°C | 0°C
Sunny

Sunny

THU Jan 20
6°C | 2°C
Patchy rain possible

Patchy rain possible

The best time of year to visit Osaka in Japan

Osaka has a humid subtropical climate. Average temperatures vary throughout the year. In summer (July and August) temperatures exceed 30 degrees Celsius (86° Fahrenheit). The whole year you can experience rain and humidity and it's always cloudy.

Winters are very mild and temperatures rarely drop below zero.

During the month of April, May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F).

Other facts from our historical climate data:

  • When is summer in Osaka?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Osaka?
    Most rainfall (rainy season) is seen in June, July and September.
  • Which is the warmest month in Osaka?
    August has an average maximum temperature of 33°C (92°F) 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 9°C (49°F).
  • Which is the wettest month in Osaka?
    June tops the wettest month list with 183mm (7.2in) of rainfall.
  • Which is the driest month in Osaka?
    December is the driest month with 43mm (1.7in) of precipitation.
  • Which is the sunniest month in Osaka?
    August is the sunniest month with an average of 216 hours of sunshine.

  • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.