Average weather in Tokyo, Japan

The former city of Tokyo and the majority of mainland Tokyo lie in the humid subtropical climate zone with hot humid summers and generally mild winters with cool spells. Annual rainfall averages nearly 1,530 millimetres (60.2 in), with a wetter summer and a drier winter. Snowfall is sporadic, but does occur almost annually.

What's the best time to travel to Tokyo in Japan? Here are some facts:

  • On average, the warmest month(s) are July and August.
  • Most rainfall (rainy season) is seen in March, April, May, June, July, August, September and October.
  • On average, the warmest month is August.
  • On average, the coolest month is January.
  • June is the wettest month.
  • January is the driest month.
For more specific information please take a look at the graphs shown below.

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Average monthly hours of sunshine over the year

This is the monthly total of sunhours

Average monthly sunhours in Tokyo, Japan   Copyright © 2013 www.weather-and-climate.com

Average percent of sunshine over the year

This is the mean percent of sunhours during the day

Average percent of sunshine in Tokyo, Japan   Copyright © 2013 www.weather-and-climate.com

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show temperatures in Fahrenheit »

Average min and max temperatures in Tokyo, Japan   Copyright © 2013 www.weather-and-climate.com

Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches »

Average precipitation (rain/snow) in Tokyo, Japan   Copyright © 2013 www.weather-and-climate.com

Average monthly rainy days over the year

This is the number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in Tokyo, Japan   Copyright © 2013 www.weather-and-climate.com

Average humidity over the year

This is the mean monthly relative humidity

Average relative humidity in Tokyo, Japan   Copyright © 2013 www.weather-and-climate.com

Average wind speed over the year

This is the mean monthly wind speed

Average wind speed in Tokyo, Japan   Copyright © 2013 www.weather-and-climate.com

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