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 arrival subtly correlates with a reduction in the average high-temperature, down from a mild 13.9°C (57°F) in November to a cool 10.6°C (51.1°F). Throughout the nights in December, an average low-temperature of 4.6°C (40.3°F) is noted in Mont-de-Marsan.Humidity
In December, the average relative humidity is 85%.Rainfall
In Mont-de-Marsan, in December, it is raining for 14 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Mont-de-Marsan, there are 177.5 rainfall days, and 528mm (20.79") of precipitation is accumulated.Snowfall
Months with snowfall in Mont-de-Marsan, France, are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 3mm (0.12") of snow. In Mont-de-Marsan, during the entire year, snow falls for 2.4 days and aggregates up to 11mm (0.43") 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 08:16 and sunset at 17:25. On the last day of December, sunrise is at 08:36 and sunset at 17:34 CET.
Sunshine
In December, the average sunshine is 5.1h.UV index
The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the usual temperature for Mont-de-Marsan in December?
What is the average humidity in December in Mont-de-Marsan?
How many days does it rain in December in Mont-de-Marsan?
When does it start snowing in Mont-de-Marsan?
What is the month with the shortest days in Mont-de-Marsan?
What is the average length of the day in December in Mont-de-Marsan?
When is the sunrise / sunset in December in Mont-de-Marsan?
How many hours of sunshine does Mont-de-Marsan have in December?
What is the UV index intensity in December in Mont-de-Marsan?
Average temperature in December
Mont-de-Marsan, France
- Average high temperature in December: 10.6°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in December: 4.6°C
The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in December
Mont-de-Marsan, France
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in December
Mont-de-Marsan, France
- Average wind speed in December: 7.7km/h
The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).
Average humidity in December
Mont-de-Marsan, France
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Mont-de-Marsan, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in December
Mont-de-Marsan, France
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is October (11.5 days).
Average snowfall in December
Mont-de-Marsan, France
- Average snowfall in December: 3mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Mont-de-Marsan, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.1 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
Mont-de-Marsan, 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: 9h and 30min).
The months with the least sunshine are January and November (Average sunshine: 5h and 0min).
Average sunshine days in December
Mont-de-Marsan, France
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Mont-de-Marsan, France
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Mont-de-Marsan, France
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in December
Mont-de-Marsan, France
- Average visibility in December: 8km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is January (7km).
Mont-de-Marsan, France
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