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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a moderate 13.5°C (56.3°F) in November to a fresh 10°C (50°F). During the month of December, an average temperature of 4.2°C (39.6°F) is noted during the nights in Grépiac.Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In December, the rain falls for 13.2 days. Throughout December, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 165.1 rainfall days, and 523mm (20.59") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, in Grépiac, it is snowing for 1.2 days. Throughout December, 9mm (0.35") of snow is accumulated. In Grépiac, during the entire year, snow falls for 6.5 days and aggregates up to 53mm (2.09") of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:07 and sunset at 17:19. On the last day of December, in Grépiac, sunrise is at 08:26 and sunset at 17:28 CET.
Sunshine
In December, the average sunshine is 5.1h.UV index
In December, the average daily maximum UV index in Grépiac is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Opt for tightly woven and loose clothing to enhance protection from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Grépiac?
What is the most humid month in Grépiac?
What is the average humidity in December in Grépiac?
How many days does it rain in December in Grépiac?
How much does it snow in Grépiac in December?
What is the month with the shortest days in Grépiac?
How many hours of daylight does Grépiac have in December?
When are sunrise and sunset in December in Grépiac?
How many hours of sunshine does Grépiac have in December?
What is the UV index reading in December in Grépiac?
Average temperature in December
Grépiac, France
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).
Average pressure in December
Grépiac, France
- Average pressure in December: 1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Grépiac, France
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest months (with the lowest average wind speed) are August and September (9.7km/h).
Average humidity in December
Grépiac, 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 (65%).
Average rainfall in December
Grépiac, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Grépiac, France
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in December
Grépiac, France
- Average snowfall in December: 9mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grépiac, France
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.7 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
Grépiac, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Grépiac, France
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Grépiac, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Grépiac, France
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Grépiac, France
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
