May weather forecastIlonse, France
May
Weather in May
The last month of the spring, May, is a comfortable month in Ilonse, France, with temperature in the range of an average low of 6.8°C (44.2°F) and an average high of 16°C (60.8°F).Temperature
The onset of May brings a minor temperature shift, with the average high-temperature moving from a fresh 12.6°C (54.7°F) in April to a refreshing 16°C (60.8°F). The average temperature during May nights is registered at a chilly 6.8°C (44.2°F).Humidity
In Ilonse, France, the average relative humidity in May is 77%.Rainfall
In Ilonse, during May, the rain falls for 16 days and regularly aggregates up to 83mm (3.27") of precipitation. Throughout the year, in Ilonse, there are 130.2 rainfall days, and 793mm (31.22") of precipitation is accumulated.Snowfall
Months with snowfall in Ilonse are January through May, September through December. May is the last month it regularly snows in Ilonse. During 0.2 snowfall days, in May, Ilonse aggregates 21mm (0.83") of snow. In Ilonse, during the entire year, snow falls for 36.3 days and aggregates up to 1448mm (57.01") of snow.Daylight
In May, the average length of the day in Ilonse is 14h and 46min.On the first day of the month, sunrise is at 06:22 and sunset at 20:35. On the last day of May, in Ilonse, sunrise is at 05:51 and sunset at 21:06 CEST.
Sunshine
The average sunshine in May is 10.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Make use of precautions - It is urged to ward off sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ilonse, France
- Average high temperature in May: 16°C
The warmest months (with the highest average high temperature) are July and August (23.5°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in May: 6.8°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest month (with the lowest average low temperature) is February (-2.7°C).
Average pressure in May
Ilonse, France
- Average pressure in May: 1014.1mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in May
Ilonse, France
- Average wind speed in May: 6km/h
The windiest month (with the highest average wind speed) is March (7.3km/h).
The calmest month (with the lowest average wind speed) is August (5.2km/h).
Average humidity in May
Ilonse, France
- Average humidity in May: 77%
The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is August (72%).
Average rainfall in May
Ilonse, France
- Average rainfall in May: 83mm
The wettest month (with the highest rainfall) is November (149mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in May
Ilonse, France
- Average rainfall days in May: 16 days
The months with the highest number of rainy days are June and July (16.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in May
Ilonse, France
- Average snowfall in May: 21mm
The month with the highest snowfall is November (396mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Ilonse, France
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Ilonse, France
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in May
Ilonse, France
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in May
Ilonse, France
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Ilonse, France
- Average cloud cover in May: 31
The month with the most cloud cover is November (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in May
Ilonse, 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).





