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
During May, the average high-temperature is a still refreshing 15.5°C (59.9°F), maintaining a close resemblance to that of the preceding month. Gravelines observes an average nighttime low-temperature of 9.6°C (49.3°F) during the month of May.Humidity
In Gravelines, the average relative humidity in May is 77%.Rainfall
In Gravelines, France, in May, during 14.3 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, there are 185 rainfall days, and 507mm (19.96") of precipitation is accumulated.Snowfall
In Gravelines, snow does not fall in April through October.Daylight
The average length of the day in May in Gravelines is 15h and 34min.On the first day of May in Gravelines, sunrise is at 06:23 and sunset at 21:13. On the last day of the month, sunrise is at 05:42 and sunset at 21:55 CEST.
Sunshine
The average sunshine in May is 8.8h.UV index
In Gravelines, France, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In May, the UV index of 4 transforms into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the average May temperature in Gravelines?
What is the average humidity in May in Gravelines?
How much does it rain in Gravelines in May?
When it does not snow in Gravelines?
How many hours of daylight does Gravelines have in May?
When is the sunrise / sunset in May in Gravelines?
How long on average sun shines in May in Gravelines?
What is the UV index reading in May in Gravelines?
Average temperature in May
Gravelines, France
- Average high temperature in May: 15.5°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in May: 9.6°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).
Average pressure in May
Gravelines, France
- Average pressure in May: 1016.8mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in May
Gravelines, France
- Average wind speed in May: 17.1km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is July (16.6km/h).
Average humidity in May
Gravelines, France
- Average humidity in May: 77%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Gravelines, France
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in May
Gravelines, France
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is November (18.3 days).
The month with the least rainy days is April (11.6 days).
Average snowfall in May
Gravelines, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Gravelines, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.9 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
Gravelines, France
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Gravelines, France
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is April (16.5 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in May
Gravelines, France
- Average UV index in May: 4
The months with the highest UV index are June, 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
Gravelines, France
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 38).
Average visibility in May
Gravelines, France
- Average visibility in May: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
Gravelines, France
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