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
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a fresh 11.5°C (52.7°F) to a chilly 8.3°C (46.9°F). Portes-en-Valdaine records an average low of 2°C (35.6°F) throughout the nights in December.Humidity
In Portes-en-Valdaine, France, the average relative humidity in December is 82%.Rainfall
In Portes-en-Valdaine, during December, the rain falls for 10.4 days and regularly aggregates up to 32mm (1.26") of precipitation. In Portes-en-Valdaine, France, during the entire year, the rain falls for 111.4 days and collects up to 380mm (14.96") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Portes-en-Valdaine. Throughout December, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. In Portes-en-Valdaine, France, 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 in Portes-en-Valdaine 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 17:01. On the last day of the month, sunrise is at 08:16 and sunset at 17:10 CET.
Sunshine
The average sunshine in December in Portes-en-Valdaine is 5.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Portes-en-Valdaine, France. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Portes-en-Valdaine in December?
What is the average humidity in December in Portes-en-Valdaine?
How many days does it rain in December in Portes-en-Valdaine?
When does it start to snow in Portes-en-Valdaine?
What is the month with the shortest days in Portes-en-Valdaine?
What is the average length of the day in December in Portes-en-Valdaine?
When are sunrise and sunset in December in Portes-en-Valdaine?
How long on average sun shines in December in Portes-en-Valdaine?
When is the lowest UV index in Portes-en-Valdaine?
What is the UV index intensity in December in Portes-en-Valdaine?
Average temperature in December
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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
Portes-en-Valdaine, 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-en-Valdaine, 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
Portes-en-Valdaine, 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).
