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
December
Weather in December
Temperature
The average high-temperature shows a slight dip in December, from November's fresh 10.4°C (50.7°F) to a frosty 7.1°C (44.8°F). Trappes registers a gentle descent to an average nighttime low of 2.7°C (36.9°F) in December from its daytime highs.Humidity
The months with the highest humidity in Trappes are January and December, with an average relative humidity of 86%.Rainfall
In December, the rain falls for 14.1 days. Throughout December, 31mm (1.22") of precipitation is accumulated. In Trappes, during the entire year, the rain falls for 156.2 days and collects up to 318mm (12.52") of precipitation.Snowfall
January through March, November and December are months with snowfall. The months with the most snowfall in Trappes, France, are January, March and December, with an average 18mm (0.71") of accumulated snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Trappes, France.On the first day of the month, sunrise is at 08:24 and sunset at 16:58. On the last day of December, in Trappes, sunrise is at 08:44 and sunset at 17:05 CET.
Sunshine
The average sunshine in December in Trappes 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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Trappes in December?
What is the most humid month in Trappes?
What is the average humidity in December in Trappes?
How many days does it rain in December in Trappes?
When does it snow the most in Trappes?
How much does it snow in Trappes in December?
What is the month with the shortest days in Trappes?
How many hours of daylight does Trappes have in December?
What time are sunrise and sunset in December in Trappes?
How many hours of sunshine does Trappes have in December?
What are the months with the lowest UV index in Trappes?
What is the UV index reading in December in Trappes?
Average temperature in December
Trappes, France
- Average high temperature in December: 7.1°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.7°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (1.6°C).
Average pressure in December
Trappes, France
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Trappes, France
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Trappes, 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
Trappes, France
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in December
Trappes, France
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in December
Trappes, France
- Average snowfall in December: 18mm
The months with the highest snowfall are January, March and December (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Trappes, France
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Trappes, 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 18min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Trappes, France
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Trappes, 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
Trappes, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Trappes, 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).
