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 April transitions into May, Hallines records an average high-temperature of a moderate 13.8°C (56.8°F), showing a gentle shift from the preceding month. Hallines's nocturnal average in May closely mirrors its daytime temperatures, settling at a cool 10.2°C (50.4°F).Humidity
In May, the average relative humidity in Hallines is 81%.Rainfall
In Hallines, in May, during 12.7 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, in Hallines, there are 178.1 rainfall days, and 461mm (18.15") of precipitation is accumulated.Snowfall
In Hallines, snow does not fall in April through October.Daylight
In May, the average length of the day is 15h and 32min.On the first day of the month, sunrise is at 06:24 and sunset at 21:12. On the last day of May, in Hallines, sunrise is at 05:43 and sunset at 21:54 CEST.
Sunshine
The average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index in Hallines is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 4 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Hallines?
What is the average humidity in May in Hallines?
How much does it rain in Hallines in May?
When it does not snow in Hallines?
How many hours of daylight does Hallines have in May?
When is the sunrise / sunset in May in Hallines?
How many hours of sunshine does Hallines have in May?
How high is the UV index in May in Hallines?
Average temperature in May
Hallines, France
- Average high temperature in May: 13.8°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is February (7.1°C).
- Average low temperature in May: 10.2°C
The month with the highest average low temperature is August (15.9°C).
The coldest months (with the lowest average low temperature) are January and February (4.5°C).
Average pressure in May
Hallines, France
- Average pressure in May: 1016.9mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in May
Hallines, France
- Average wind speed in May: 19.5km/h
The windiest month (with the highest average wind speed) is December (28.2km/h).
The calmest month (with the lowest average wind speed) is July (19km/h).
Average humidity in May
Hallines, France
- Average humidity in May: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in May
Hallines, France
- Average rainfall in May: 25mm
The wettest month (with the highest rainfall) is October (55mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Hallines, France
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is November (19.5 days).
The month with the least rainy days is April (12.2 days).
Average snowfall in May
Hallines, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Hallines, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.3 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
Hallines, 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 6min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 6min).
Average sunshine days in May
Hallines, France
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in May
Hallines, 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 and February (UV index 2).
Average cloud cover in May
Hallines, France
- Average cloud cover in May: 42
The months with the most cloud cover are November and December (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in May
Hallines, France
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
