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
Weather in December
Temperature
December's commencement is accompanied by an average high-temperature of a cool 11.8°C (53.2°F), diverging marginally from November's 14.6°C (58.3°F). December in Saint-Jean-de-Marsacq sees the temperature falling to a mean low of 5.8°C (42.4°F).Humidity
In December, the average relative humidity in Saint-Jean-de-Marsacq is 81%.Rainfall
In December, the rain falls for 13.9 days. Throughout December, 46mm (1.81") of precipitation is accumulated. Throughout the year, in Saint-Jean-de-Marsacq, there are 182.1 rainfall days, and 634mm (24.96") of precipitation is accumulated.Snowfall
February, March and December are months with snowfall in Saint-Jean-de-Marsacq. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Saint-Jean-de-Marsacq, during the entire year, snow falls for 1.9 days and aggregates up to 7mm (0.28") 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 December, sunrise is at 08:18 and sunset at 17:29. On the last day of the month, sunrise is at 08:38 and sunset at 17:38 CET.
Sunshine
In Saint-Jean-de-Marsacq, the average sunshine in December is 5.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are the temperatures in Saint-Jean-de-Marsacq in December?
What is the average humidity in December in Saint-Jean-de-Marsacq?
How many days does it rain in December in Saint-Jean-de-Marsacq?
When does it start snowing in Saint-Jean-de-Marsacq?
What is the month with the shortest days in Saint-Jean-de-Marsacq?
How many hours of daylight does Saint-Jean-de-Marsacq have in December?
When is the sunrise / sunset in December in Saint-Jean-de-Marsacq?
How many hours of sunshine does Saint-Jean-de-Marsacq have in December?
What are the months with the lowest UV index in Saint-Jean-de-Marsacq?
What is the UV index reading in December in Saint-Jean-de-Marsacq?
Average temperature in December
Saint-Jean-de-Marsacq, France
- Average high temperature in December: 11.8°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (10.7°C).
- Average low temperature in December: 5.8°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in December
Saint-Jean-de-Marsacq, France
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Saint-Jean-de-Marsacq, France
- Average wind speed in December: 9.4km/h
The windiest months (with the highest average wind speed) are January and February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.5km/h).
Average humidity in December
Saint-Jean-de-Marsacq, France
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in December
Saint-Jean-de-Marsacq, France
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (31mm).
Average rainfall days in December
Saint-Jean-de-Marsacq, France
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (12.3 days).
Average snowfall in December
Saint-Jean-de-Marsacq, France
- Average snowfall in December: 1mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Saint-Jean-de-Marsacq, France
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Saint-Jean-de-Marsacq, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in December
Saint-Jean-de-Marsacq, France
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Saint-Jean-de-Marsacq, France
- Average UV index in December: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Saint-Jean-de-Marsacq, France
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Saint-Jean-de-Marsacq, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Saint-Jean-de-Marsacq, France
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