May weather forecast
Hallines, France

May

Weather in May

May, the last month of the spring in Hallines, is a moderate month, with an average temperature fluctuating between 10.2°C (50.4°F) and 13.8°C (56.8°F).

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.

Frequently asked questions

What is the temperature in May in Hallines?
During May, Hallines experiences an average high-temperature of 13.8°C (56.8°F) and a low-temperature of 10.2°C (50.4°F).
What is the average humidity in May in Hallines?
In Hallines, the average relative humidity in May is 81%.
How much does it rain in Hallines in May?
In Hallines, France, in May, it is raining for 12.7 days, with typically 25mm (0.98") of accumulated precipitation.
When it does not snow in Hallines?
In Hallines, France, snow does not fall in April through October.
How many hours of daylight does Hallines have in May?
The average day length in May in Hallines, France, is 15h and 32min.
When is the sunrise / sunset in May in Hallines?
On the first day of May in Hallines, sunrise is at 06:24 and sunset at 21:12. On the last day of the month, sunrise is at 05:43 and sunset at 21:54 CEST.
How many hours of sunshine does Hallines have in May?
The average sunshine duration in May in Hallines, France, is 8.8h.
How high is the UV index in May in Hallines?
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
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).

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