Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December is marked by an average high-temperature of a chilly 8.1°C (46.6°F), bearing a close resemblance to November. Nights in December in Longuenesse showcase an average temperature of 5.3°C (41.5°F), slightly cooler than the daytime.Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
The month with the most rainfall in Longuenesse is December, when the rain falls for 17.2 days and typically aggregates up to 59mm (2.32") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Longuenesse, in December, snow falls for 1.7 days, with typically accumulated 12mm (0.47") of snow. In Longuenesse, during the entire year, snow falls for 8.7 days and aggregates up to 63mm (2.48") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of December in Longuenesse, sunrise is at 08:31 and sunset at 16:48. On the last day of the month, sunrise is at 08:52 and sunset at 16:55 CET.
Sunshine
The average sunshine in December in Longuenesse is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Longuenesse. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Longuenesse?
What are the most humid months in Longuenesse?
What is the average humidity in December in Longuenesse?
What is the wettest month in Longuenesse?
How many days does it rain in December in Longuenesse?
How many days does it snow in December in Longuenesse?
What is the month with the shortest days in Longuenesse?
What is the average length of the day in December in Longuenesse?
When is the sunrise / sunset in December in Longuenesse?
How many hours of sunshine does Longuenesse have in December?
What is the month with the lowest UV index in Longuenesse?
What is the UV index reading in December in Longuenesse?
Average temperature in December
Longuenesse, France
- Average high temperature in December: 8.1°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 December: 5.3°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 December
Longuenesse, France
- Average pressure in December: 1015.5mbar
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 December
Longuenesse, France
- Average wind speed in December: 24km/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 December
Longuenesse, France
- Average humidity in December: 83%
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 December
Longuenesse, France
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Longuenesse, France
- Average rainfall days in December: 17.2 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 December
Longuenesse, France
- Average snowfall in December: 12mm
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 December
Longuenesse, France
- Average snowfall days in December: 1.7 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 December /
Average sunshine in December
Longuenesse, France
- Average daylight in December: 8h and 1min
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 December: 4h and 1min
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 December
Longuenesse, France
- Average sunshine days in December: 10 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 December
Longuenesse, France
- Average UV index in December: 2
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 December
Longuenesse, France
- Average cloud cover in December: 60
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 December
Longuenesse, France
- Average visibility in December: 9km
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).
Longuenesse, France
Weather forecast for your location
2. Allow the app to use your location