December weather forecastGrépiac, France

December

Weather in December

December, the first month of the winter in Grépiac, is still a cool month, with temperature in the range of an average high of 10°C (50°F) and an average low of 4.2°C (39.6°F).

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.

Frequently asked questions

The high-temperature, in December, in Grépiac, records 10°C (50°F), while the low-temperature is 4.2°C (39.6°F). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is estimated at 31°C (87.8°F).

The months with the highest humidity in Grépiac are January and December, with an average relative humidity of 83%.

In Grépiac, the average relative humidity in December is 83%.

In December, in Grépiac, the rain falls for 13.2 days. Throughout December, 38mm (1.5") of precipitation is accumulated.

In December, in Grépiac, it is snowing for 1.2 days. Throughout December, 9mm (0.35") of snow is accumulated.

December has the shortest days of the year in Grépiac, with an average of 9h and 0min of daylight.

In Grépiac, the average day length in December is 9h and 2min.

In December, on the first day of the month, sunrise is at 08:07 and sunset at 17:19. On the last day of the month, in Grépiac, France, sunrise is at 08:26 and sunset at 17:28 CET.

In Grépiac, the average sunshine duration in December is 5.1h.

The average daily maximum UV index in December in Grépiac is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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 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 6min

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).