Osaka weather

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The weather guide for Osaka, Japan shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Osaka?

The hottest time of year in Osaka is normally August. Expect maximum daytime temperatures to reach 33°C with very high heat and humidity.

Which month has the most rain in Osaka?

In terms of rainfall, June is usually the wettest month in Osaka with 215mm on average. There are normally 18 days in June with some rain.

When is it sunniest in Osaka?

The sunniest time of year in Osaka is normally August with bright sunshine on average for 48% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Osaka?

The sea is usually at its warmest in Osaka in August when the water temperature reaches 27°C.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Osaka weather with the USA

Below the Osaka weather chart shows average maximum daytime temperature for Osaka, Japan and the USA (Washington).

Maximum daytime temperature (°C)

Osaka, Japan
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Osaka, Japan typhoon season

% of month affected by tropical storms
0
0
0
0
0
1.8%
2.7%
5.5%
4.6%
1.8%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Osaka, Japan tropical storm risk chart above shows the typhoon season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

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Where's hot in Japan right now?

Below are the temperatures expected today at popular destinations in Japan. Select a destination to compare today's forecast with average weather conditions.

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