May weather forecastVallères, France
May
Weather in May
May, the last month of the spring in Vallères, is a comfortable month, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 9°C (48.2°F).Temperature
As May unfolds, the average high-temperature reaches an enjoyable 18.3°C (64.9°F), hinting at a slight fluctuation from the previous month. In the month of May, the temperature generally rests at an average low of 9°C (48.2°F).Humidity
In May, the average relative humidity in Vallères is 81%.Rainfall
The wettest months in Vallères, France, are May, November and December, with an average 55mm (2.17") of rainfall.Snowfall
In Vallères, France, snow does not fall in April through October.Daylight
In May, the average length of the day is 15h and 7min.On the first day of the month, sunrise is at 06:40 and sunset at 21:09. On the last day of May, in Vallères, France, sunrise is at 06:05 and sunset at 21:45 CEST.
Sunshine
In Vallères, the average sunshine in May is 8.3h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Vallères. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In May, an average UV index of 5 transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vallères, France
- Average high temperature in May: 18.3°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in May: 9°C
The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in May
Vallères, France
- Average pressure in May: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in May
Vallères, France
- Average wind speed in May: 12.9km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in May
Vallères, France
- Average humidity in May: 81%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (71%).
Average rainfall in May
Vallères, France
- Average rainfall in May: 55mm
The wettest months (with the highest rainfall) are May, November and December (55mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in May
Vallères, France
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are August and September (10.7 days).
Average snowfall in May
Vallères, France
- Average snowfall in May: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Vallères, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Vallères, France
- Average daylight in May: 15h and 6min
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 18min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Vallères, France
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in May
Vallères, France
- Average UV index in May: 5
The months with the highest UV index are May, 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
Vallères, France
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in May
Vallères, France
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





