The climate in Keizan during May can be summarized as mild and a little damp.
May is in the spring in Keizan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (74°F), whilst at night 11°C (51°F) is normal.
Daytime temperature | 23.5°C 74.3°F |
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Nightly temperature | 10.5°C 50.9°F |
Average temperature | 17°C 62.6°F |
Daily sunshine | 8.7 hrs |
Avg rainfall | 87 mm 3.4 ins |
Rainy days | 8 days |
Sea temperature | 16.7°C 62.1°F |
Humidity | 65% |
Windspeed | 8.3kph 5 mph |
On average May is the 6th wettest month of the year in Keizan with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
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 Keizan in May 2025.
Hottest month: | August | 29.6°C 85.3°F |
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Driest month: | December | 16mm 0.6ins |
Sunniest month: | January | 7.1hrs |
Coldest month: | January | 3.8°C 38.8°F |
Wettest month: | July | 238mm 9.4ins |