Les Clayes-sous-Bois Weather in May
What's the weather like in Les Clayes-sous-Bois (Île-de-France) in May 2026?
The climate in Les Clayes-sous-Bois during May can be summarized as mild and reasonably dry.
May is in the spring in Les Clayes-sous-Bois and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 8°C (47°F) is normal.
| Daytime temperature | 17.1°C 62.7°F |
|---|---|
| Nightly temperature | 8.2°C 46.7°F |
| Average temperature | 12.6°C 54.7°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 63 mm 2.5 ins |
| Rainy days | 16 days |
| Sea temperature | 12.1°C 53.9°F |
| Humidity | 77% |
| Windspeed | 14kph 9 mph |
On average May is the wettest month of the year in Les Clayes-sous-Bois with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
May temperatures in Les Clayes-sous-Bois
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 Les Clayes-sous-Bois in May 2025.
Other monthly averages
Les Clayes-sous-Bois weather stats
| Hottest month: | July | 22.7°C 72.9°F |
|---|---|---|
| Driest month: | February | 45mm 1.8ins |
| Sunniest month: | August | 7.8hrs |
| Coldest month: | January | 5.3°C 41.5°F |
| Wettest month: | May | 63mm 2.5ins |
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