Japan weather averages for holidays in 2017/2018

Check Japan weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in Japan is expected to be 26°C, while the average maximum temperature in May is 23°C. The weather guide for Japan shown below is for Tokyo. Read more about the weather in Japan.

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Japan weather averages

Check Japan weather averages before you book your next holiday. The warmest month in Japan is August with an average maximum temperature of 31°C. The sunniest months are January, February, March, May, August and December with on average 6 hours of bright sunshine per day. The months with the least number of days with some rain are January and December with 9 days. The sea is at its warmest in Japan in August with an average sea temperature of 26°C. The Japan weather averages shown below are for Tokyo.

Maximum daytime temperature (°C)

Hours of sunshine (daily)

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

Days with some rainfall

Sea temperature (°C)

More weather parameters

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

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Japan weather today

Here is the weather in Japan today, Thursday 25th May 2017. Expect overcast skies in Japan with a maximum temperature of 26°C, low levels of heat & humidity and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east. The weather forecast shown below is for Tokyo.

  • 26
    °C maximum temperature
  • 19
    °C minimum temperature
  • overcast skies
  • 0
    hours of sunshine
  • 0
    mm of rainfall expected
  • L
    low heat & humidity
  • 11
    kph wind from SE

5-day weather forecast

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

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Japan weather overview

Japan, a group of mountainous volcanic islands off the coast of Asia, has a predominantly temperate, seasonal climate with cool to cold but sunny winters, warm to hot summers and mild weather in the spring and autumn. However, there are exceptions to this: the island of Hokkaido and the northern areas of Honshu experience heavy snows in the winter months when cold winds gust in from Siberia, gathering moisture from the sea as they come. In central and southern Japan, winter is the (relatively) dry season while there is moderate rainfall in the summer and autumn with the chance of a typhoon, accompanied by heavy rainfall, blowing in from the South China Sea from July to September. Southern summers tend to be warm and humid with heavy cloud cover. The mountain areas are usually the most pleasant parts of Japan in the summer months when conditions are predominantly sunny and crisp. Spring is the best time to visit the lower parts of the country; it brings not only fresh, sunny weather but also the legendary 'cherry blossom time'.

What to pack for Japan weather

While light clothes are fine in the summer, you should combine light clothing with some warmer attire in the spring and autumn, and take much warmer clothing for the winter and visits to the mountain areas. Go prepared for rain in the summer.

Tropical cyclone risk: Japan typhoon season

% of month affected by tropical cyclones
0
0
0
0
<1%
1%
2%
6%
5%
2%
<1%
<1%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Japan tropical cyclone risk chart above shows the typhoon season for Tokyo, Japan.

More about tropical cyclones

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Japan holiday weather averages by month

Check Japan holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Japan weather with the USA

Below the Japan weather chart shows maximum daytime temperature for Japan (Tokyo) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Japan (Tokyo)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more Japan weather >>

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Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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