The climate in Castelli during May can be summarized as warm and reasonably dry.
May is in the fall / autumn in Castelli and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 13°C (56°F) is normal.
Daytime temperature | 24.9°C 76.7°F |
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Nightly temperature | 13.4°C 56°F |
Average temperature | 19.1°C 66.4°F |
Daily sunshine | 6.3 hrs |
Avg rainfall | 47 mm 1.9 ins |
Rainy days | 7 days |
Sea temperature | 19.9°C 67.8°F |
Humidity | 78% |
Windspeed | 8.3kph 5 mph |
On average May is the 5th driest month of the year in Castelli with around 47mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 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 Castelli in May 2025.
Hottest month: | January | 33.8°C 92.8°F |
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Driest month: | August | 18mm 0.7ins |
Sunniest month: | January | 9.5hrs |
Coldest month: | June | 21.6°C 70.9°F |
Wettest month: | March | 146mm 5.7ins |