Weather in Japan in August 2018

  • 88°F maximum daytime temperature in August in Japan (Tokyo)88
    88°F max day temperature
  • 6 hours of sunshine per day (43% of daylight hours) in August in Japan6
    6 hours of sunshine per day
  • 16 days with some rainfall in August in Japan (Tokyo)16
    16 days with some rainfall
  • 75°F minimum night-time temperature in August in Japan (Tokyo)75
    75°F min night temperature
  • 13 hours of daylight per day in August in Japan (Tokyo)13
    13 hours of daylight per day
  • High heat & humidity in August in Japan (Tokyo)H
    High heat & humidity
  • 5.8 inches monthly rainfall in August in Japan (Tokyo)5.8
    5.8 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Japan (Tokyo)10
    10 (Very High) UV index
  • 79°F sea temperature in August in Japan (Tokyo)79
    79°F sea temperature

Going to Japan? Find the best month to visit Japan based on the weather.

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Expect 88°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Japan in August. Check more long-term weather averages for Japan in August before you book your next holiday to Japan in 2018. The August weather averages shown above are for Tokyo.

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Metric (°C)  |  Imperial (°F)

Guide to Japan weather in August

The average maximum daytime temperature in Japan in August is a hot 31°C (88°F) with high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 6 hours of bright sunshine each day, which represents 43% of the 13 hours of daylight.

Expect 147mm (5.8 inches) of rainfall across the whole of August with 16 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

The average sea temperature in and around Japan in August is 26°C (79°F).

The weather in Japan in August is represented by Tokyo.

Japan sunrise & sunset times for August 2018

Browse the sunrise & sunset times for Japan in August 2018. Select a month to view Japan sunrise & sunset times for the next twelve months. The Japan sunrise & sunset times shown below are for Tokyo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st August 2018 04:49 18:46
Thursday, 2nd August 2018 04:49 18:45
Friday, 3rd August 2018 04:50 18:44
Saturday, 4th August 2018 04:51 18:43
Sunday, 5th August 2018 04:52 18:42
Monday, 6th August 2018 04:52 18:41
Tuesday, 7th August 2018 04:53 18:40
Wednesday, 8th August 2018 04:54 18:39
Thursday, 9th August 2018 04:55 18:38
Friday, 10th August 2018 04:56 18:37
Saturday, 11th August 2018 04:56 18:36
Sunday, 12th August 2018 04:57 18:34
Monday, 13th August 2018 04:58 18:33
Tuesday, 14th August 2018 04:59 18:32
Wednesday, 15th August 2018 04:59 18:31
Thursday, 16th August 2018 05:00 18:30
Friday, 17th August 2018 05:01 18:29
Saturday, 18th August 2018 05:02 18:27
Sunday, 19th August 2018 05:03 18:26
Monday, 20th August 2018 05:03 18:25
Tuesday, 21st August 2018 05:04 18:24
Wednesday, 22nd August 2018 05:05 18:22
Thursday, 23rd August 2018 05:06 18:21
Friday, 24th August 2018 05:06 18:20
Saturday, 25th August 2018 05:07 18:18
Sunday, 26th August 2018 05:08 18:17
Monday, 27th August 2018 05:09 18:16
Tuesday, 28th August 2018 05:09 18:14
Wednesday, 29th August 2018 05:10 18:13
Thursday, 30th August 2018 05:11 18:12
Friday, 31st August 2018 05:12 18:10
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