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
December reveals a small adjustment in temperature, transitioning from an average high of a cool 10.8°C (51.4°F) in November to a chilly 7.5°C (45.5°F). Portes-lès-Valence observes an average low-temperature of 1.6°C (34.9°F) during December nights.Humidity
With an average relative humidity of 84%, December is the most humid month.Rainfall
In Portes-lès-Valence, France, in December, during 8.7 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Portes-lès-Valence, there are 114.3 rainfall days, and 320mm (12.6") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Portes-lès-Valence. In Portes-lès-Valence, France, during December, snow falls for 2.1 days and regularly aggregates up to 7mm (0.28") of snow. Throughout the year, there are 11.1 snowfall days, and 90mm (3.54") of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Portes-lès-Valence.On the first day of the month, sunrise is at 07:58 and sunset at 17:00. On the last day of December, sunrise is at 08:18 and sunset at 17:09 CET.
Sunshine
The average sunshine in December in Portes-lès-Valence is 5.6h.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 low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Portes-lès-Valence?
What is the most humid month in Portes-lès-Valence?
What is the average humidity in December in Portes-lès-Valence?
How many days does it rain in December in Portes-lès-Valence?
How much does it snow in Portes-lès-Valence in December?
What is the month with the shortest days in Portes-lès-Valence?
What is the average length of the day in December in Portes-lès-Valence?
When is the sunrise / sunset in December in Portes-lès-Valence?
How long on average sun shines in December in Portes-lès-Valence?
What is the month with the lowest UV index in Portes-lès-Valence?
What is the UV index reading in December in Portes-lès-Valence?
Average temperature in December
Portes-lès-Valence, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 1.6°C
The month with the highest average low temperature is July (14.6°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in December
Portes-lès-Valence, France
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in December
Portes-lès-Valence, France
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).
Average humidity in December
Portes-lès-Valence, France
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Portes-lès-Valence, France
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in December
Portes-lès-Valence, France
- Average rainfall days in December: 8.7 days
The months with the highest number of rainy days are April and May (11.7 days).
The month with the least rainy days is September (6.6 days).
Average snowfall in December
Portes-lès-Valence, France
- Average snowfall in December: 7mm
The month with the highest snowfall is November (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Portes-lès-Valence, France
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (3.8 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
Portes-lès-Valence, 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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Portes-lès-Valence, France
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (15.1 days).
Average UV index in December
Portes-lès-Valence, 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
Portes-lès-Valence, France
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Portes-lès-Valence, 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).
