May weather forecastRoullens, France
May
Weather in May
May, the last month of the spring in Roullens, is another comfortable month, with temperature in the range of an average low of 9.4°C (48.9°F) and an average high of 19.3°C (66.7°F).Temperature
In Roullens, the average high-temperature in May slightly increases from 16.3°C (61.3°F) in April to a still comfortable 19.3°C (66.7°F). The mean low-temperature during May nights in Roullens is a chilly 9.4°C (48.9°F).Humidity
The average relative humidity in May in Roullens is 74%.Rainfall
In May, the rain falls for 12.8 days. Throughout May, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Roullens, France, there are 137.8 rainfall days, and 335mm (13.19") of precipitation is accumulated.Snowfall
In Roullens, snow does not fall in April through October.Daylight
In May, the average length of the day in Roullens is 14h and 41min.On the first day of May, sunrise is at 06:43 and sunset at 20:52. On the last day of the month, sunrise is at 06:14 and sunset at 21:23 CEST.
Sunshine
The average sunshine in May in Roullens is 9.8h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during May translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Roullens, France
- Average high temperature in May: 19.3°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in May: 9.4°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in May
Roullens, France
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in May
Roullens, France
- Average wind speed in May: 14.3km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).
Average humidity in May
Roullens, France
- Average humidity in May: 74%
The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Roullens, France
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is October (43mm).
The driest months (with the least rainfall) are August and September (16mm).
Average rainfall days in May
Roullens, France
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is April (13.5 days).
The month with the least rainy days is August (8.8 days).
Average snowfall in May
Roullens, France
- Average snowfall in May: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Roullens, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Roullens, France
- Average daylight in May: 14h and 42min
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 48min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in May
Roullens, France
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in May
Roullens, France
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in May
Roullens, France
- Average cloud cover in May: 36
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Roullens, France
- Average visibility in May: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
