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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 10.6°C (51.1°F) in November to a chilly 7.5°C (45.5°F). Arpajon maintains an average of approximately a cold 2.9°C (37.2°F) during December nights, with only a minimal decrease from the daytime temperature.Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Arpajon, during December, the rain falls for 13 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Arpajon, there are 153.5 rainfall days, and 330mm (12.99") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Arpajon. The months with the most snowfall in Arpajon are February and December, with an average 15mm (0.59") of accumulated snow.Daylight
The month with the shortest days in Arpajon is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:22 and sunset at 16:57. On the last day of December, sunrise is at 08:43 and sunset at 17:05 CET.
Sunshine
In December, the average sunshine is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the temperature in December in Arpajon?
What are the most humid months in Arpajon?
What is the average humidity in December in Arpajon?
How much does it rain in Arpajon in December?
What is the snowiest month in Arpajon?
How many days does it snow in December in Arpajon?
What is the month with the shortest days in Arpajon?
What is the average length of the day in December in Arpajon?
When are sunrise and sunset in December in Arpajon?
How long on average sun shines in December in Arpajon?
What are the months with the lowest UV index in Arpajon?
What is the UV index reading in December in Arpajon?
Average temperature in December
Arpajon, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (15°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in December
Arpajon, France
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in December
Arpajon, France
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Arpajon, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Arpajon, France
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Arpajon, France
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.1 days).
Average snowfall in December
Arpajon, France
- Average snowfall in December: 15mm
The months with the highest snowfall are February and December (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Arpajon, France
- Average snowfall days in December: 1.7 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
Arpajon, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Arpajon, France
- Average sunshine days in December: 13 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Arpajon, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Arpajon, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Arpajon, 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).
Arpajon, France
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