Tokyo Weather — 10-Day Forecast and 30-Day Outlook

Weather in Tokyo (Japan) right now and for the days ahead: a day-by-day 10-day forecast, an outlook up to 30 days, and past weather for any date.

Tokyo climate by month

In Tokyo, the warmest month is August, with average highs of 30.4 °C, and the coldest is January, with average lows of -1.2 °C. About 1766 mm of rain falls each year over 141 days; September is the wettest month (248 mm) and December the driest (52 mm).

Best time to visit Tokyo: for mild, mostly dry days, aim for May, June, September, October.

Month	Avg high	Avg low	Rain	Rainy days
January	8.3 °C	-1.2 °C	59 mm	5
February	9.6 °C	-0.7 °C	56 mm	6
March	13.6 °C	2.8 °C	138 mm	11
April	18.2 °C	7.6 °C	142 mm	11
May	22.7 °C	12.9 °C	143 mm	12
June	25.3 °C	17.2 °C	219 mm	16
July	29.2 °C	21.9 °C	214 mm	18
August	30.4 °C	23 °C	191 mm	17
September	26.6 °C	19.4 °C	248 mm	17
October	20.8 °C	12.5 °C	206 mm	13
November	16.2 °C	6.7 °C	98 mm	9
December	11.2 °C	1.1 °C	52 mm	6

2015–2024 averages computed from NASA POWER data (about 50 km grid: values may differ slightly from a city weather station, especially on the coast or in the mountains).

Frequently asked questions

What is the 15-day weather forecast for Tokyo?

The first 10 days come from the forecast model of the Norwegian Meteorological Institute (MET Norway), updated several times a day. After that, we show the outlook: the normal temperatures in Tokyo for the time of year and the chance of rain, based on the last 10 years.

Is there a 30-day forecast for Tokyo?

No model can reliably forecast the weather on a specific day 30 days ahead. The outlook shows what is typical in Tokyo at that time of year: a good basis for planning a trip, to be checked against the 10-day forecast as the date gets closer.

What is the hottest month in Tokyo?

August, with average highs of 30.4 °C. The coldest month is January, with average lows of -1.2 °C.

What is the rainiest month in Tokyo?

September. The driest month is December. On average it rains on 141 days a year in Tokyo, for about 1766 mm of precipitation.

How can I check past weather in Tokyo?

Pick a date in the "Past weather" section to see the high and low temperatures and the rain recorded that day, how it compared with normal, and the same day in previous years.

Tokyo Weather: 10-Day Forecast and 30-Day Outlook

Tokyo

Forecast

Outlook up to 30 days

Past weather: what was it like?

Last 14 days

Tokyo climate by month

Frequently asked questions

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