Koya weather in July 2025

Expect 81°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Koya in July. Check more long-term weather averages for Koya in July before you book your next holiday to Japan in 2025/2026.

  • 81°F maximum daytime temperature in July in Koya81
    81°F max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in July in Koya19
    19 days with some rainfall
  • 68°F minimum night-time temperature in July in Koya68
    68°F min night temperature
  • 14 hours of daylight per day in July in Koya14
    14 hours of daylight per day
  • Low heat & humidity in July in KoyaL
    Low heat & humidity
  • 9.8 inches monthly rainfall in July in Koya9.8
    9.8 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Koya11
    11 (Extreme) UV index

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The July weather guide for Japan (Koya) 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)

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How hot is it in Koya in July?

Daytime temperatures usually reach 81°F in Koya in July with low heat and humidity, falling to 68°F at night.

How sunny is it in Koya in July?

There are normally 5 hours of bright sunshine each day in Koya in July - that's 38% of daylight hours.

Does it rain in Koya in July?

There are usually 19 days with some rain in Koya in July and the average monthly rainfall is 9.8 inches.

What is the chance of a typhoon in Koya in July?

On average less than 1 day in July in Koya is likely to be affected by the passage of one or more tropical storms.

Koya July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:49 19:13
Wednesday, 16th July 2025 04:58 19:10
Thursday, 31st July 2025 05:08 19:00

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