Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In May, Roissy-en-France notes an average high-temperature of a still refreshing 17.9°C (64.2°F), hardly different from the preceding month. In May, the average low-temperature is a chilly 8.8°C (47.8°F).Humidity
In May, the average relative humidity is 77%.Rainfall
In May, in Roissy-en-France, the rain falls for 14.3 days. Throughout May, 34mm (1.34") of precipitation is accumulated. Throughout the year, in Roissy-en-France, there are 155 rainfall days, and 440mm (17.32") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in Roissy-en-France is 15h and 19min.On the first day of May in Roissy-en-France, sunrise is at 06:27 and sunset at 21:06. On the last day of the month, sunrise is at 05:50 and sunset at 21:44 CEST.
Sunshine
In Roissy-en-France, the average sunshine in May is 8.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are May temperatures in Roissy-en-France?
What is the average humidity in May in Roissy-en-France?
How many days does it rain in May in Roissy-en-France?
When it does not snow in Roissy-en-France?
What is the average length of the day in May in Roissy-en-France?
When is the sunrise / sunset in May in Roissy-en-France?
How long on average sun shines in May in Roissy-en-France?
What is the UV index reading in May in Roissy-en-France?
Average temperature in May
Roissy-en-France, France
- Average high temperature in May: 17.9°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in May
Roissy-en-France, France
- Average pressure in May: 1016.8mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in May
Roissy-en-France, France
- Average wind speed in May: 11.7km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in May
Roissy-en-France, France
- Average humidity in May: 77%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in May
Roissy-en-France, France
- Average rainfall in May: 34mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in May
Roissy-en-France, France
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is December (16 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in May
Roissy-en-France, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Roissy-en-France, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.1 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
Roissy-en-France, France
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Roissy-en-France, France
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in May
Roissy-en-France, France
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Roissy-en-France, France
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in May
Roissy-en-France, France
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
Roissy-en-France, France
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