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
Saint-Omer indicates an average high-temperature of a still moderate 15.5°C (59.9°F) in May, showing minor variation from April's 13°C (55.4°F). The nighttime temperature in Saint-Omer, France, dips to a chilly 9.6°C (49.3°F) on average during May.Humidity
In Saint-Omer, the average relative humidity in May is 77%.Rainfall
In Saint-Omer, in May, it is raining for 14.3 days, with typically 29mm (1.14") of accumulated precipitation. In Saint-Omer, during the entire year, the rain falls for 185 days and collects up to 507mm (19.96") of precipitation.Snowfall
April through October are months without snowfall in Saint-Omer, France.Daylight
The average length of the day in May in Saint-Omer, France, is 15h and 32min.On the first day of May in Saint-Omer, sunrise is at 06:23 and sunset at 21:12. On the last day of the month, sunrise is at 05:43 and sunset at 21:54 CEST.
Sunshine
In Saint-Omer, France, the average sunshine in May is 8.8h.UV index
In Saint-Omer, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during May leads to these advisories:
Put precautions into practice - Protective measures against sun-induced damage are advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Saint-Omer?
What is the average humidity in May in Saint-Omer?
How much does it rain in Saint-Omer in May?
When it does not snow in Saint-Omer?
How many hours of daylight does Saint-Omer have in May?
When are sunrise and sunset in May in Saint-Omer?
How many hours of sunshine does Saint-Omer have in May?
What is the UV index intensity in May in Saint-Omer?
Average temperature in May
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, France
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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
Saint-Omer, 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).
