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
December
Weather in December
Temperature
As November makes way for December, Saint-Vaast-lès-Mello's average high-temperature eases from a cool 10.1°C (50.2°F) to a frosty 6.8°C (44.2°F). Saint-Vaast-lès-Mello sees a gentle drop from the daily peak temperature in December, with an average low settling at an icy 2.7°C (36.9°F).Humidity
January and December, with an average relative humidity of 87%, are the most humid months in Saint-Vaast-lès-Mello.Rainfall
The month with the most rainfall in Saint-Vaast-lès-Mello is December, when the rain falls for 17.7 days and typically aggregates up to 62mm (2.44") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Saint-Vaast-lès-Mello, in December, snow falls for 2.5 days, with typically accumulated 17mm (0.67") of snow. In Saint-Vaast-lès-Mello, during the entire year, snow falls for 11.3 days and aggregates up to 93mm (3.66") of snow.Daylight
December has the shortest days of the year in Saint-Vaast-lès-Mello, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 16:54. On the last day of December, in Saint-Vaast-lès-Mello, France, sunrise is at 08:45 and sunset at 17:01 CET.
Sunshine
The average sunshine in December in Saint-Vaast-lès-Mello is 4.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Saint-Vaast-lès-Mello during December?
What are the most humid months in Saint-Vaast-lès-Mello?
What is the average humidity in December in Saint-Vaast-lès-Mello?
What is the wettest month in Saint-Vaast-lès-Mello?
How many days does it rain in December in Saint-Vaast-lès-Mello?
How many days does it snow in December in Saint-Vaast-lès-Mello?
What is the month with the shortest days in Saint-Vaast-lès-Mello?
How many hours of daylight does Saint-Vaast-lès-Mello have in December?
What time are sunrise and sunset in December in Saint-Vaast-lès-Mello?
How long on average sun shines in December in Saint-Vaast-lès-Mello?
What are the months with the lowest UV index in Saint-Vaast-lès-Mello?
What is the UV index reading in December in Saint-Vaast-lès-Mello?
Average temperature in December
Saint-Vaast-lès-Mello, France
- Average high temperature in December: 6.8°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Saint-Vaast-lès-Mello, France
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Saint-Vaast-lès-Mello, France
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Saint-Vaast-lès-Mello, France
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Saint-Vaast-lès-Mello, France
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is December (62mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Saint-Vaast-lès-Mello, France
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is September (12 days).
Average snowfall in December
Saint-Vaast-lès-Mello, France
- Average snowfall in December: 17mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Vaast-lès-Mello, France
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saint-Vaast-lès-Mello, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Saint-Vaast-lès-Mello, France
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Saint-Vaast-lès-Mello, 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
Saint-Vaast-lès-Mello, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Saint-Vaast-lès-Mello, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
