December weather forecastMassilly, France

December

Weather in December

December, the first month of the winter in Massilly, is still a chilly month, with an average temperature fluctuating between 6.4°C (43.5°F) and 1.5°C (34.7°F).

Temperature

December is characterized by a slight reduction in average high-temperature, easing from a fresh 10.2°C (50.4°F) in November to a frosty 6.4°C (43.5°F). Massilly welcomes an average low temperature of 1.5°C (34.7°F) in December, a gentle shift from the day's high.

Humidity

The most humid month in Massilly is December, with an average relative humidity of 87%.

Rainfall

In December, the rain falls for 16.5 days. Throughout December, 80mm (3.15") of precipitation is accumulated. In Massilly, France, during the entire year, the rain falls for 192.1 days and collects up to 786mm (30.94") of precipitation.

Snowfall

Months with snowfall are January through March, October through December. In Massilly, in December, during 4 snowfall days, 31mm (1.22") of snow is typically accumulated. Throughout the year, in Massilly, there are 18.6 snowfall days, and 160mm (6.3") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 42min of daylight.
On the first day of December, sunrise is at 08:04 and sunset at 16:56. On the last day of the month, sunrise is at 08:24 and sunset at 17:04 CET.

Sunshine

In December, the average sunshine in Massilly is 4.6h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

The average high-temperature and low-temperature in Massilly, France, during December are 6.4°C (43.5°F) and 1.5°C (34.7°F) respectively.

With an average relative humidity of 87%, December is the most humid month in Massilly, France.

In Massilly, France, the average relative humidity in December is 87%.

In Massilly, France, in December, during 16.5 rainfall days, 80mm (3.15") of precipitation is typically accumulated.

In Massilly, in December, during 4 snowfall days, 31mm (1.22") of snow is typically accumulated.

With an average of 8h and 42min of daylight, December has the shortest days of the year in Massilly, France.

In December, the average day length in Massilly, France, is 8h and 40min.

On the first day of December, sunrise is at 08:04 and sunset at 16:56. On the last day of the month, sunrise is at 08:24 and sunset at 17:04 CET.

In December, the average sunshine duration in Massilly, France, is 4.6h.

The months with the lowest UV index in Massilly, France, are January, November and December, with an average maximum UV index of 2.

The average daily maximum UV index in December in Massilly, France, is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Massilly, France

  • Average high temperature in December: 6.4°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in December: 1.5°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).

Average pressure in December
Massilly, France

  • Average pressure in December: 1021.2mbar

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in December
Massilly, France

  • Average wind speed in December: 10.6km/h

The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

Average humidity in December
Massilly, France

  • Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Massilly, France

  • Average rainfall in December: 80mm

The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is September (40mm).

Average rainfall days in December
Massilly, France

  • Average rainfall days in December: 16.5 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is September (12.2 days).

Average snowfall in December
Massilly, France

  • Average snowfall in December: 31mm

The month with the highest snowfall is January (48mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Massilly, France

  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Massilly, France

  • Average daylight in December: 8h and 42min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Massilly, France

  • Average sunshine days in December: 10.9 days

The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is May (7.3 days).

Average UV index in December
Massilly, France

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in December
Massilly, France

  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Massilly, France

  • Average visibility in December: 8km

The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, February, May, September, October, November and December (8km).