What is the Climate, Average Temperature/ Weather in Japan?

Whether you wish to travel to Tokyo, Japan (Latitude & Longitude: see map search field. Altitude: 5 m or 16 ft) on holiday, business or vacation, are interested in buying property there or are looking to migrate the following Japan climate, temperature and weather information should prove helpful:

  • The average temperature in Japan is 15.1 °C (59 °F).
  • The average temperature range is 23 °C.
  • The highest monthly average high temperature is 31 °C (88 °F) in August.
  • The lowest monthly average low temperature is -1 °C (30 °F) in January.
  • Japan's climate receives an average of 1562 mm (61.5 in) of rainfall per year, or 130 mm (5.1 in) per month.
  • On average there are 117 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 10 days with a quantity of rain, sleet, snow etc. per month.
  • The driest weather is in January when an average of 48 mm (1.9 in) of rainfall (precipitation) occurrs across 6 days.
  • The wettest weather is in October when an average of 220 mm (8.7 in) of rainfall (precipitation) occurrs across 12 days.
  • The average annual relative humidity is 71.2% and average monthly relative humidity ranges from 60% in January & February to 80% in July.
  • Average sunlight hours in Japan range between 4.4 hours per day in October and 6.6 hours per day in August.
  • There are an average of 2020 hours of sunlight per year with an average of 5.5 hours of sunlight per day.
  • There are an average of 52 days per year with frost in Japan and in January there are an average of 20 days with frost.

Japan Climate Graph (metric)

Japan Climate


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Japan Weather Averages

  Average Minimum Temperatures in Japan (°C) Average Maximum Temperature in Japan (°C) Japan Average Temperature (°C) Average Sea Temp (°C) Average Precipitation/ Rainfall (mm) Wet Days (>0.1 mm) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed in Japan (Beaufort) Average Number of Days with Frost  
Weather in Japan in January -1 9 4 - 48 6 6.0 60 3 20 Average Temperature in Japan in January
Weather in Japan in February 0 10 5 - 73 7 5.9 60 3 16 Average Temperature in Japan in February
Weather in Japan in March 3 13 8 - 101 10 5.7 63.0 3 5 Average Temperature in Japan in March
Weather in Japan in April 9 18 14 - 135 11 6.0 68 3 0 Average Temperature in Japan in April
Weather in Japan in May 14 22 18 - 131 12 6.2 73 3 0 Average Temperature in Japan in May
Weather in Japan in June 18 25 22 - 182 12 5.0 79 3 0 Average Temperature in Japan in June
Weather in Japan in July 22 29 26 - 146 11 5.8 80 3 0 Average Temperature in Japan in July
Weather in Japan in August 23 31 27 - 147 10 6.6 79 3 0 Average Temperature in Japan in August
Weather in Japan in September 20 27 24 - 217 13 4.5 79 3 0 Average Temperature in Japan in September
Weather in Japan in October 13 21 17 - 220 12 4.4 77 3 0 Average Temperature in Japan in October
Weather in Japan in November 7 16 12 - 101 8 4.8 71 2 1 Average Temperature in Japan in November
Weather in Japan in December 2 12 7 - 61 5 5.5 65 2 10 Average Temperature in Japan in December

Japan Climate Chart (imperial)

Japan Temperature Chart

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Japan Temperatures in Farenheit

  Average Minimum Temperatures in Japan (°F) Average Maximum Temperature in Japan (°F) Average Temperature (°F) Average Sea Temp (°F) Average Precipitation/ Rainfall (in) Wet Days (>0.004 in) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed (Beaufort) Average Number of Days with Frost  
Temperatures in Japan in January 30 48 39 - 1.9 6 6.0 60 3 20 Climate in Japan in January
Temperatures in Japan in February 32 50 41 - 2.9 7 5.9 60 3 16 Climate in Japan in February
Temperatures in Japan in March 37 55 46 - 4.0 10 5.7 63 3 5 Climate in Japan in March
Temperatures in Japan in April 48 64 56 - 5.3 11 6.0 68 3 0 Climate in Japan in April
Temperatures in Japan in May 57 72 64 - 5.2 12 6.2 73 3 0 Climate in Japan in May
Temperatures in Japan in June 64 77 71 - 7.2 12 5.0 79 3 0 Climate in Japan in June
Temperatures in Japan in July 72 84 78 - 5.7 11 5.8 80 3 0 Climate in Japan in July
Temperatures in Japan in August 73 88 81 - 5.8 10 6.6 79 3 0 Climate in Japan in August
Temperatures in Japan in September 68 81 74 - 8.5 13 4.5 79 3 0 Climate in Japan in September
Temperatures in Japan in October 55 70 63 - 8.7 12 4.4 77 3 0 Climate in Japan in October
Temperatures in Japan in November 45 61 53 - 4.0 8 4.8 71 2 1 Climate in Japan in November
Temperatures in Japan in December 36 54 45 - 2.4 5 5.5 65 2 10 Climate in Japan in December

Figures for Tokyo, Japan. See also:

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