Kashiwazaki Weather in May

What's the weather like in Kashiwazaki (Niigata) in May 2025?

The climate in Kashiwazaki during May can be summarized as mild and a little damp.

May is in the spring in Kashiwazaki and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 21°C (70°F), whilst at night 11°C (52°F) is normal.

Kashiwazaki weather averages (imperial / metric)
Daytime temperature 21.4°C 70.4°F
Nightly temperature 11.3°C 52.3°F
Average temperature 16.3°C 61.3°F
Daily sunshine 7.1 hrs
Avg rainfall 96 mm 3.8 ins
Rainy days 17 days
Sea temperature 13.7°C 56.7°F
Humidity 70%
Windspeed 9kph 6 mph

On average May is the 2nd driest month of the year in Kashiwazaki with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 hours of sunshine per day.

May temperatures in Kashiwazaki

Kashiwazaki average temperature in May

May rainfall

Kashiwazaki average rain in May

May hourly sunshine

Kashiwazaki average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Kashiwazaki in May 2024.

Other monthly averages

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UV index Best time to go?

Kashiwazaki weather stats

Kashiwazaki weather statistics
Hottest month: August 30.5°C 86.9°F
Driest month: April 90mm 3.5ins
Sunniest month: August 6.9hrs
Coldest month: January 5.5°C 41.9°F
Wettest month: December 276mm 10.9ins
Map showing location of Kashiwazaki (37.36667, 138.55) Kashiwazaki map pin © Google

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