December weather forecastSaint-Rustice, France
December
Weather in December
The first month of the winter, December, is still a cool month in Saint-Rustice, France, with an average temperature fluctuating between 4.2°C (39.6°F) and 10°C (50°F).Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a refreshing 13.5°C (56.3°F) in November to a cool 10°C (50°F). Throughout December, Saint-Rustice witnesses a consistent average low-temperature of 4.2°C (39.6°F).Humidity
January and December, with an average relative humidity of 83%, are the most humid months in Saint-Rustice.Rainfall
In December, in Saint-Rustice, the rain falls for 13.2 days. Throughout December, 38mm (1.5") of precipitation is accumulated. In Saint-Rustice, during the entire year, the rain falls for 165.1 days and collects up to 523mm (20.59") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Saint-Rustice, in December, during 1.2 snowfall days, 9mm (0.35") of snow is typically accumulated. In Saint-Rustice, during the entire year, snow falls for 6.5 days and aggregates up to 53mm (2.09") 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 08:09 and sunset at 17:18. On the last day of December, sunrise is at 08:28 and sunset at 17:27 CET.
Sunshine
In December, the average sunshine is 5.1h.UV index
In Saint-Rustice, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-Rustice, France
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).
Average pressure in December
Saint-Rustice, France
- Average pressure in December: 1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Saint-Rustice, France
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest months (with the lowest average wind speed) are August and September (9.7km/h).
Average humidity in December
Saint-Rustice, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Saint-Rustice, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Saint-Rustice, France
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in December
Saint-Rustice, France
- Average snowfall in December: 9mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Rustice, France
- Average snowfall days in December: 1.2 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
Saint-Rustice, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Saint-Rustice, France
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Saint-Rustice, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Saint-Rustice, France
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Saint-Rustice, France
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
