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Kumagaya weather in August 2026
Expect daytime maximum temperatures of 88°F in Kumagaya, Japan in August and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 6.7 inches of rainfall in the month.
- 88°F max day temperature
88 - 5 hours of sunshine per day
- 19 days with some rainfall
19 - 73°F min night temperature
73 - 14 hours of daylight per day
14 - High heat & humidity
H - 6.7 inches of monthly rainfall
6.7 - 10 (Very High) UV index
10
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Recommended for Japan
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) | Imperial (°F)
More about Japan
How hot is it in Kumagaya in August?
Daytime temperatures usually reach 88°F in Kumagaya in August with high heat and humidity, falling to 73°F 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 6.7 inches.
Kumagaya August sunrise & sunset times
Browse the sunrise and sunset times for Kumagaya in August 2026. Select a month to view Kumagaya sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 04:49 | 18:48 |
| Sunday, 16th August 2026 | 05:01 | 18:32 |
| Monday, 31st August 2026 | 05:13 | 18:12 |
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