December weather forecastMornas, France

December

Weather in December

The first month of the winter, December, is also a fresh month in Mornas, France, with an average temperature fluctuating between 4°C (39.2°F) and 10.5°C (50.9°F).

Temperature

In December, the average high-temperature marginally drops from a mild 13.8°C (56.8°F) in November to a fresh 10.5°C (50.9°F). During December, the nighttime temperature in Mornas, France, averages to an icy 4°C (39.2°F).

Humidity

The months with the highest humidity in Mornas are November and December, with an average relative humidity of 78%.

Rainfall

In Mornas, in December, it is raining for 8.7 days, with typically 29mm (1.14") of accumulated precipitation. In Mornas, France, during the entire year, the rain falls for 94.7 days and collects up to 353mm (13.9") of precipitation.

Snowfall

In Mornas, snow does not fall in March through December.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of December, sunrise is at 07:56 and sunset at 17:03. On the last day of the month, sunrise is at 08:16 and sunset at 17:12 CET.

Sunshine

In Mornas, France, the average sunshine in December is 6.1h.

UV index

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

The high-temperature, in December, in Mornas, records 10.5°C (50.9°F), while the low-temperature is 4°C (39.2°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 34°C (93.2°F).

The months with the highest humidity are November and December, with an average relative humidity of 78%.

In Mornas, the average relative humidity in December is 78%.

In Mornas, during December, the rain falls for 8.7 days and regularly aggregates up to 29mm (1.14") of precipitation.

In Mornas, France, snow does not fall in March through December.

In Mornas, in December, it doesn't snow. In January, it regularly snows.

December has the shortest days of the year in Mornas, with an average of 8h and 54min of daylight.

In Mornas, the average day length in December is 8h and 56min.

In December, on the first day of the month, sunrise is at 07:56 and sunset at 17:03. On the last day of the month, in Mornas, sunrise is at 08:16 and sunset at 17:12 CET.

In December, the average sunshine duration is 6.1h.

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Mornas, France

  • Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in December: 4°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

Average pressure in December
Mornas, France

  • Average pressure in December: 1020.2mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).

Average wind speed in December
Mornas, France

  • Average wind speed in December: 12.6km/h

The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).

Average humidity in December
Mornas, France

  • Average humidity in December: 78%

The months with the highest relative humidity are November and December (78%).
The month with the lowest relative humidity is July (55%).

Average rainfall in December
Mornas, France

  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is July (13mm).

Average rainfall days in December
Mornas, France

  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is November (12.2 days).
The month with the least rainy days is July (5.3 days).

Average snowfall in December
Mornas, France

  • Average snowfall in December: 0mm

The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Mornas, France

  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and February (0.5 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
Mornas, France

  • Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 6h and 6min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).

Average sunshine days in December
Mornas, France

  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is November (16.1 days).

Average UV index in December
Mornas, France

  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December
Mornas, France

  • Average cloud cover in December: 33

The month with the most cloud cover is November (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 12).

Average visibility in December
Mornas, France

  • Average visibility in December: 9km

The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).