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
May
Weather in May
Temperature
May's arrival is noted with a slight increase in the average high-temperature, moving from a refreshing 17.8°C (64°F) in April to a pleasant 20.8°C (69.4°F). Nighttime temperatures in May average to a cool 10.5°C (50.9°F).Humidity
In May, the average relative humidity in Grayssas is 76%.Rainfall
The wettest months are May and November, with an average 59mm (2.32") of rainfall.Snowfall
April through November are months without snowfall in Grayssas.Daylight
In May, the average length of the day in Grayssas, France, is 14h and 47min.On the first day of the month, sunrise is at 06:46 and sunset at 21:00. On the last day of May, in Grayssas, sunrise is at 06:16 and sunset at 21:32 CEST.
Sunshine
In May, the average sunshine is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's recommended to limit sun exposure when its radiation is at its peak during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Grayssas?
What is the average humidity in May in Grayssas?
What is the wettest month in Grayssas?
How much does it rain in Grayssas in May?
When it does not snow in Grayssas?
How many hours of daylight does Grayssas have in May?
What time are sunrise and sunset in May in Grayssas?
How long on average sun shines in May in Grayssas?
What is the UV index intensity in May in Grayssas?
Average temperature in May
Grayssas, France
- Average high temperature in May: 20.8°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in May: 10.5°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in May
Grayssas, France
- Average pressure in May: 1017mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in May
Grayssas, France
- Average wind speed in May: 10.4km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).
Average humidity in May
Grayssas, France
- Average humidity in May: 76%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in May
Grayssas, France
- Average rainfall in May: 59mm
The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in May
Grayssas, France
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).
Average snowfall in May
Grayssas, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Grayssas, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Grayssas, France
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Grayssas, France
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Grayssas, 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
Grayssas, France
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Grayssas, France
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
