Which is the hottest month in Koya?

The hottest time of year in Koya is normally August. Expect maximum daytime temperatures to reach 29°C with moderate heat and humidity.

Which month has the most rain in Koya?

In terms of rainfall, June is usually the wettest month in Koya with 295mm on average. There are normally 19 days in June with some rain.

When is it sunniest in Koya?

The sunniest time of year in Koya is normally December with bright sunshine on average for 47% of daylight hours; that's 5 hours of sunshine per day.

Best time to visit Koya

Q: When is the best time to visit Koya?

The best time to visit Koya is April, May and August based on the following average weather conditions. Daily hours of sunshine = 10 hours or more.

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Koya by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Koya?

The best time to visit Koya is April, May and August based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
1.5
Feb
1.5
Mar
2.5
Apr
2.5
May
1.5
Jun
1.5
Jul
2.5
Aug
1.5
Sep
1.5
Oct
1.5
Nov
1.5
Dec

Change criteria

Hours of Sunshine (daily)

5
Jan
5
Feb
5
Mar
6
Apr
6
May
5
Jun
5
Jul
6
Aug
5
Sep
5
Oct
5
Nov
5
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Japan (Koya) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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