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.

Best time to visit Osaka

Q: When is the best time to visit Osaka?

The best time to visit Osaka is May based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Osaka by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Osaka?

The best time to visit Osaka is May based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
0.5
Feb
1
Mar
3
Apr
4
May
3.5
Jun
2.5
Jul
1.5
Aug
3
Sep
3.5
Oct
1.5
Nov
0.5
Dec

Change criteria

Max Day Temperature (°C)

9
Jan
9
Feb
13
Mar
20
Apr
24
May
27
Jun
31
Jul
33
Aug
29
Sep
23
Oct
17
Nov
12
Dec

Hours of Sunshine (daily)

5
Jan
5
Feb
5
Mar
6
Apr
6
May
5
Jun
6
Jul
7
Aug
5
Sep
5
Oct
5
Nov
5
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Japan (Osaka) 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.

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