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
In Roussas, entering December brings a subtle temperature decrement, reducing from November's cool 11.5°C (52.7°F) to a chilly 8.3°C (46.9°F). Roussas experiences an average temperature drop to an icy 2°C (35.6°F) during December nights.Humidity
In December, the average relative humidity in Roussas is 82%.Rainfall
In Roussas, France, during December, the rain falls for 10.4 days and regularly aggregates up to 32mm (1.26") of precipitation. In Roussas, during the entire year, the rain falls for 111.4 days and collects up to 380mm (14.96") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. In Roussas, during the entire year, snow falls for 3.3 days and aggregates up to 15mm (0.59") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 07:57 and sunset at 17:02. On the last day of the month, sunrise is at 08:16 and sunset at 17:11 CET.
Sunshine
In Roussas, the average sunshine in December is 5.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roussas in December?
What is the average humidity in December in Roussas?
How much does it rain in Roussas in December?
When does it start to snow in Roussas?
What is the month with the shortest days in Roussas?
What is the average length of the day in December in Roussas?
What time are sunrise and sunset in December in Roussas?
How long on average sun shines in December in Roussas?
When is the lowest UV index in Roussas?
What is the UV index reading in December in Roussas?
Average temperature in December
Roussas, France
- Average high temperature in December: 8.3°C
The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 2°C
The months with the highest average low temperature are July and August (15.5°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in December
Roussas, France
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Roussas, France
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is May (11.9km/h).
The calmest month (with the lowest average wind speed) is November (9.5km/h).
Average humidity in December
Roussas, France
- Average humidity in December: 82%
The month with the highest relative humidity is November (83%).
The months with the lowest relative humidity are July and August (62%).
Average rainfall in December
Roussas, France
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is July (16mm).
Average rainfall days in December
Roussas, France
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is November (12.5 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in December
Roussas, France
- Average snowfall in December: 1mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Roussas, France
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and November (0 days).
Average daylight in December /
Average sunshine in December
Roussas, France
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in December
Roussas, France
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in December
Roussas, 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, February, November and December (UV index 2).
Average cloud cover in December
Roussas, France
- Average cloud cover in December: 38
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Roussas, France
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
