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
Weather in December
Temperature
December's onset introduces a mild reduction in the average high-temperature, from 5.1°C (41.2°F) in November to a still icy 1°C (33.8°F). December nights cool down to an average low-temperature of -7°C (19.4°F).Humidity
In December, the average relative humidity in Sallanches, France, is 84%.Rainfall
In Sallanches, in December, it is raining for 8.1 days, with typically 94mm (3.7") of accumulated precipitation. Throughout the year, in Sallanches, there are 155.5 rainfall days, and 764mm (30.08") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sallanches. December is the month with the most snowfall in Sallanches. Snow falls for 10.3 days and accumulates 384mm (15.12") of snow.Daylight
December has the shortest days of the year in Sallanches, with an average of 8h and 42min of daylight.On the first day of December in Sallanches, sunrise is at 07:55 and sunset at 16:50. On the last day of the month, sunrise is at 08:15 and sunset at 16:58 CET.
Sunshine
January and December, with an average of 5.2h of sunshine, are months with the least sunshine in Sallanches.UV index
In Sallanches, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider this! The reflection from 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
How cold is December in Sallanches?
What is the average humidity in December in Sallanches?
How much does it rain in Sallanches in December?
When does it snow the most in Sallanches?
How many days does it snow in December in Sallanches?
What is the month with the shortest days in Sallanches?
How many hours of daylight does Sallanches have in December?
When are sunrise and sunset in December in Sallanches?
What are the months with the least sunshine in Sallanches?
How long on average sun shines in December in Sallanches?
How high is the UV index in December in Sallanches?
Average temperature in December
Sallanches, France
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in December: -7°C
The months with the highest average low temperature are July and August (7.6°C).
The coldest month (with the lowest average low temperature) is February (-9.5°C).
Average pressure in December
Sallanches, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in December
Sallanches, France
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is December (7.9km/h).
The calmest month (with the lowest average wind speed) is September (6.1km/h).
Average humidity in December
Sallanches, France
- Average humidity in December: 84%
The months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Sallanches, France
- Average rainfall in December: 94mm
The wettest month (with the highest rainfall) is May (99mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in December
Sallanches, France
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and February (7.5 days).
Average snowfall in December
Sallanches, France
- Average snowfall in December: 384mm
The month with the highest snowfall is December (384mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sallanches, France
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is February (13.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sallanches, France
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Sallanches, France
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in December
Sallanches, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Sallanches, France
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Sallanches, France
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February and March (7km).
Sallanches, France
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