Kumagaya weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Kumagaya in August. Check more long-term weather averages for Kumagaya in August before you book your next holiday to Japan in 2025/2026.

  • 31°C maximum daytime temperature in August in Kumagaya31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in August in Kumagaya19
    19 days with some rainfall
  • 23°C minimum night-time temperature in August in Kumagaya23
    23°C min night temperature
  • 14 hours of daylight per day in August in Kumagaya14
    14 hours of daylight per day
  • High heat & humidity in August in KumagayaH
    High heat & humidity
  • 169 mm monthly rainfall in August in Kumagaya169
    169 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Kumagaya10
    10 (Very High) UV index

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The August weather guide for Japan (Kumagaya) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

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How hot is it in Kumagaya in August?

Daytime temperatures usually reach 31°C in Kumagaya in August with high heat and humidity, falling to 23°C at night.

How sunny is it in Kumagaya in August?

There are normally 5 hours of bright sunshine each day in Kumagaya in August - that's 41% of daylight hours.

Does it rain in Kumagaya in August?

There are usually 19 days with some rain in Kumagaya in August and the average monthly rainfall is 169mm.

Kumagaya August sunrise & sunset times

Browse the sunrise and sunset times for Kumagaya in August 2025. Select a month to view Kumagaya sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:49 18:48
Saturday, 16th August 2025 05:01 18:32
Sunday, 31st August 2025 05:13 18:12

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