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
As Grattery welcomes May, the average high-temperature stabilizes at a comfortable 17.7°C (63.9°F), showing little deviation from April's 15°C (59°F). Grattery encounters an average low-temperature of 7.3°C (45.1°F) during May nights.Humidity
The average relative humidity in May is 83%.Rainfall
In Grattery, France, in May, it is raining for 19 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, there are 179 rainfall days, and 669mm (26.34") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in May in Grattery is 15h and 9min.On the first day of the month, sunrise is at 06:17 and sunset at 20:48. On the last day of May, sunrise is at 05:41 and sunset at 21:25 CEST.
Sunshine
In Grattery, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in May translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grattery in May?
What is the average humidity in May in Grattery?
How much does it rain in Grattery in May?
When it does not snow in Grattery?
What is the average length of the day in May in Grattery?
When is the sunrise / sunset in May in Grattery?
How long on average sun shines in May in Grattery?
What is the UV index reading in May in Grattery?
Average temperature in May
Grattery, France
- Average high temperature in May: 17.7°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in May: 7.3°C
The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in May
Grattery, France
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in May
Grattery, France
- Average wind speed in May: 9.9km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).
Average humidity in May
Grattery, France
- Average humidity in May: 83%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (78%).
Average rainfall in May
Grattery, France
- Average rainfall in May: 64mm
The wettest month (with the highest rainfall) is December (84mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in May
Grattery, France
- Average rainfall days in May: 19 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in May
Grattery, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in May
Grattery, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.1 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
Grattery, France
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in May
Grattery, France
- Average sunshine days in May: 8.7 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in May
Grattery, 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, November and December (UV index 2).
Average cloud cover in May
Grattery, France
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Grattery, France
- Average visibility in May: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
