May weather forecastDerval, France
May
Weather in May
The last month of the spring, May, is a refreshing month in Derval, France, with an average temperature varying between 17.4°C (63.3°F) and 8°C (46.4°F).Temperature
The advent of May brings an average high-temperature of an enjoyable 17.4°C (63.3°F), exhibiting minor difference from the previous month. Derval experiences an average temperature drop to a chilly 8°C (46.4°F) during May nights.Humidity
In May, the average relative humidity in Derval is 83%.Rainfall
In May, in Derval, the rain falls for 15.3 days. Throughout May, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 150.1 rainfall days, and 330mm (12.99") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May in Derval is 15h and 9min.On the first day of May in Derval, sunrise is at 06:48 and sunset at 21:19. On the last day of the month, sunrise is at 06:12 and sunset at 21:56 CEST.
Sunshine
In Derval, France, the average sunshine in May is 8.1h.UV index
In Derval, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Derval, France
- Average high temperature in May: 17.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in May
Derval, France
- Average pressure in May: 1017.3mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in May
Derval, France
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in May
Derval, France
- Average humidity in May: 83%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in May
Derval, France
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in May
Derval, France
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in May
Derval, France
- Average snowfall in May: 0mm
The months with the highest snowfall are February, March, April and December (2mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Derval, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Derval, France
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 8h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Derval, France
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in May
Derval, France
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Derval, France
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in May
Derval, France
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, June, July, October, November and December (9km).
The months with the lowest visibility are May, August and September (8km).





