May weather forecastRailleu, France
May
Weather in May
The last month of the spring, May, is a fresh month in Railleu, France, with an average temperature ranging between min 3.1°C (37.6°F) and max 12.8°C (55°F).Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a chilly 8.9°C (48°F) in April to a cool 12.8°C (55°F). Railleu usually reports an average low-temperature of 3.1°C (37.6°F) during the month of May.Humidity
The average relative humidity in May is 79%.Rainfall
In May, in Railleu, the rain falls for 18.2 days. Throughout May, 74mm (2.91") of precipitation is accumulated. Throughout the year, there are 160.5 rainfall days, and 840mm (33.07") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows in Railleu. During 0.8 snowfall days, in May, Railleu aggregates 20mm (0.79") of snow. Throughout the year, there are 54 snowfall days, and 1387mm (54.61") of snow is accumulated.Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 06:45 and sunset at 20:51. On the last day of May, sunrise is at 06:16 and sunset at 21:21 CEST.
Sunshine
In May, the average sunshine in Railleu, France, is 9h.UV index
The average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in May translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Railleu, France
- Average high temperature in May: 12.8°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in May: 3.1°C
The month with the highest average low temperature is August (9.4°C).
The coldest month (with the lowest average low temperature) is February (-6°C).
Average pressure in May
Railleu, France
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in May
Railleu, France
- Average wind speed in May: 8.3km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in May
Railleu, France
- Average humidity in May: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Railleu, France
- Average rainfall in May: 74mm
The wettest month (with the highest rainfall) is April (96mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in May
Railleu, France
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is April (19.5 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in May
Railleu, France
- Average snowfall in May: 20mm
The month with the highest snowfall is January (482mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Railleu, France
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Railleu, France
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and November (Average sunshine: 5h and 42min).
Average sunshine days in May
Railleu, France
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is April (7.2 days).
Average UV index in May
Railleu, France
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Railleu, France
- Average cloud cover in May: 46
The month with the most cloud cover is April (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Railleu, France
- Average visibility in May: 8km
The month with the highest visibility is December (9km).
The month with the lowest visibility is April (7km).





