May weather forecastGrentheville, France
May
Weather in May
The last month of the spring, May, is also a moderate month in Grentheville, France, with an average temperature fluctuating between 15.3°C (59.5°F) and 8.8°C (47.8°F).Temperature
Grentheville's average high-temperature marks a still mild 15.3°C (59.5°F) with the advent of May, closely mirroring that of the preceding month. Nighttime temperatures in Grentheville consistently average a chilly 8.8°C (47.8°F) during May.Humidity
The average relative humidity in May in Grentheville, France, is 83%.Rainfall
In Grentheville, in May, it is raining for 15.4 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, in Grentheville, there are 184.6 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Grentheville, France, the average length of the day in May is 15h and 20min.On the first day of May in Grentheville, sunrise is at 06:38 and sunset at 21:17. On the last day of the month, sunrise is at 06:01 and sunset at 21:56 CEST.
Sunshine
In Grentheville, the average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May in Grentheville is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 4 in May suggests the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grentheville, France
- Average high temperature in May: 15.3°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in May
Grentheville, France
- Average pressure in May: 1017.2mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in May
Grentheville, France
- Average wind speed in May: 16km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in May
Grentheville, France
- Average humidity in May: 83%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in May
Grentheville, France
- Average rainfall in May: 35mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in May
Grentheville, France
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in May
Grentheville, France
- Average snowfall in May: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Grentheville, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Grentheville, France
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 8h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Grentheville, France
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in May
Grentheville, France
- Average UV index in May: 4
The months with the highest UV index are 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
Grentheville, France
- Average cloud cover in May: 44
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in May
Grentheville, France
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).








