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
The advent of December brings an average high-temperature of a chilly 8.7°C (47.7°F), exhibiting minor difference from the previous month. Rétonval's nighttime temperature in December shows a minor descent, with a steady average of 5.9°C (42.6°F).Humidity
In Rétonval, the average relative humidity in December is 82%.Rainfall
December is the month with the most rainfall. Rain falls for 16.4 days and accumulates 51mm (2.01") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Rétonval, during December, snow falls for 1 days and regularly aggregates up to 4mm (0.16") of snow. Throughout the year, there are 5.5 snowfall days, and 21mm (0.83") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Rétonval.On the first day of the month, sunrise is at 08:30 and sunset at 16:55. On the last day of December, in Rétonval, sunrise is at 08:51 and sunset at 17:02 CET.
Sunshine
In Rétonval, the average sunshine in December is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Rétonval in December?
What is the average humidity in December in Rétonval?
What is the wettest month in Rétonval?
How many days does it rain in December in Rétonval?
How many days does it snow in December in Rétonval?
What is the month with the shortest days in Rétonval?
How many hours of daylight does Rétonval have in December?
When are sunrise and sunset in December in Rétonval?
How many hours of sunshine does Rétonval have in December?
What are the months with the lowest UV index in Rétonval?
What is the UV index intensity in December in Rétonval?
Average temperature in December
Rétonval, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in December: 5.9°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in December
Rétonval, France
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Rétonval, France
- Average wind speed in December: 27.5km/h
The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).
Average humidity in December
Rétonval, France
- Average humidity in December: 82%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Rétonval, France
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Rétonval, France
- Average rainfall days in December: 16.4 days
The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in December
Rétonval, France
- Average snowfall in December: 4mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rétonval, France
- Average snowfall days in December: 1 days
The months with the highest number of snowfall days are January and February (1.9 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
Rétonval, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in December
Rétonval, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in December
Rétonval, 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
Rétonval, France
- Average cloud cover in December: 60
The months with the most cloud cover are November and December (Cloud cover 60).
The months with the least cloud cover are April, July and August (Cloud cover 39).
Average visibility in December
Rétonval, France
- Average visibility in December: 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).
