Weather in Hiroshima in August 2018

  • 31°C maximum daytime temperature in August in Hiroshima31
    31°C max day temperature
  • 7 hours of sunshine per day (51% of daylight hours) in August in Hiroshima7
    7 hours of sunshine per day
  • 14 days with some rainfall in August in Hiroshima14
    14 days with some rainfall
  • 23°C minimum night-time temperature in August in Hiroshima23
    23°C min night temperature
  • 13 hours of daylight per day in August in Hiroshima13
    13 hours of daylight per day
  • Very high heat & humidity in August in HiroshimaVH
    Very High heat & humidity
  • 125 mm monthly rainfall in August in Hiroshima125
    125 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Hiroshima10
    10 (Very High) UV index
  • 26°C sea temperature in August in Hiroshima26
    26°C sea temperature

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

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Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Hiroshima in August. Check more long-term weather averages for Hiroshima in August before you book your next holiday to Japan in 2018.

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More about Hiroshima

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

Guide to Hiroshima weather in August

The average maximum daytime temperature in Hiroshima in August is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 23°C (73°F). There are usually 7 hours of bright sunshine each day, which represents 51% of the 13 hours of daylight.

Expect 125mm (4.9 inches) of rainfall across the whole of August with 14 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 Hiroshima in August is 26°C (79°F).

Hiroshima sunrise & sunset times for August 2018

Browse the sunrise & sunset times for Hiroshima in August 2018. Select a month to view Hiroshima sunrise & sunset times for the next twelve months.

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Date Sunrise times Sunset times
Wednesday, 1st August 2018 05:20 19:12
Thursday, 2nd August 2018 05:21 19:11
Friday, 3rd August 2018 05:22 19:10
Saturday, 4th August 2018 05:23 19:09
Sunday, 5th August 2018 05:23 19:09
Monday, 6th August 2018 05:24 19:08
Tuesday, 7th August 2018 05:25 19:07
Wednesday, 8th August 2018 05:26 19:06
Thursday, 9th August 2018 05:26 19:05
Friday, 10th August 2018 05:27 19:04
Saturday, 11th August 2018 05:28 19:03
Sunday, 12th August 2018 05:29 19:02
Monday, 13th August 2018 05:29 19:00
Tuesday, 14th August 2018 05:30 18:59
Wednesday, 15th August 2018 05:31 18:58
Thursday, 16th August 2018 05:31 18:57
Friday, 17th August 2018 05:32 18:56
Saturday, 18th August 2018 05:33 18:55
Sunday, 19th August 2018 05:34 18:54
Monday, 20th August 2018 05:34 18:52
Tuesday, 21st August 2018 05:35 18:51
Wednesday, 22nd August 2018 05:36 18:50
Thursday, 23rd August 2018 05:37 18:49
Friday, 24th August 2018 05:37 18:47
Saturday, 25th August 2018 05:38 18:46
Sunday, 26th August 2018 05:39 18:45
Monday, 27th August 2018 05:39 18:44
Tuesday, 28th August 2018 05:40 18:42
Wednesday, 29th August 2018 05:41 18:41
Thursday, 30th August 2018 05:42 18:40
Friday, 31st August 2018 05:42 18:38
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