Iiyama Weather in May
What's the weather like in Iiyama (Nagano) in May 2024?
The climate in Iiyama during May can be summarized as mild and a little damp.
May is in the spring in Iiyama and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 19.8°C 67.6°F |
|---|---|
| Nightly temperature | 8°C 46.4°F |
| Average temperature | 13.9°C 57°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 95 mm 3.7 ins |
| Rainy days | 17 days |
| Sea temperature | 15.6°C 60°F |
| Humidity | 68% |
| Windspeed | 9.7kph 6 mph |
On average May is the 4th driest month of the year in Iiyama with around 95mm 3.7 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 6.9 hours of sunshine per day.
May temperatures in Iiyama
May rainfall
May hourly sunshine
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 Iiyama in May 2024.
Other monthly averages
Iiyama weather stats
| Hottest month: | August | 28°C 82.4°F |
|---|---|---|
| Driest month: | March | 78mm 3.1ins |
| Sunniest month: | April | 6.5hrs |
| Coldest month: | January | 1.9°C 35.4°F |
| Wettest month: | July | 182mm 7.2ins |
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