Sendai weather

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Usually in January
- 5
- -2
- 5
Weather by month
Now Today
- 8
- 3
5-day forecast

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

The weather guide for Sendai, 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 Sendai?

The hottest time of year in Sendai is normally August. Expect maximum daytime temperatures to reach 28°C with moderate heat and humidity.

Which month has the most rain in Sendai?

In terms of rainfall, September is usually the wettest month in Sendai with 174mm on average. There are normally 20 days in September with some rain.

When is it sunniest in Sendai?

The sunniest time of year in Sendai is normally March with bright sunshine on average for 48% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Sendai?

The sea is usually at its warmest in Sendai in August when the water temperature reaches 24°C.

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

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Compare Sendai weather with the USA

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

Maximum daytime temperature (°C)

Sendai, 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: Sendai, Japan typhoon season

% of month affected by tropical storms

1.3%

5.6%

4.4%

1.2%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Sendai, 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.

More about tropical storms

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.