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 the transition to December, Valleiry observes a minor drop in the average high-temperature, shifting from a frosty 8.3°C (46.9°F) in November to a wintry 4.4°C (39.9°F). In Valleiry, December nights cool down to an average of -1.5°C (29.3°F).Humidity
The average relative humidity in December is 85%.Rainfall
In Valleiry, in December, it is raining for 14.1 days, with typically 82mm (3.23") of accumulated precipitation. In Valleiry, during the entire year, the rain falls for 190.1 days and collects up to 748mm (29.45") of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall in Valleiry, France, is December, when snow falls for 4.7 days and typically aggregates up to 81mm (3.19") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:58 and sunset at 16:52. On the last day of December, sunrise is at 08:18 and sunset at 17:00 CET.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year in Valleiry.UV index
The months with the lowest UV index in Valleiry are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Valleiry in December?
What is the average humidity in December in Valleiry?
How many days does it rain in December in Valleiry?
What is the snowiest month in Valleiry?
How many days does it snow in December in Valleiry?
What is the month with the shortest days in Valleiry?
What is the average length of the day in December in Valleiry?
When are sunrise and sunset in December in Valleiry?
What is the month with the least sunshine in Valleiry?
How many hours of sunshine does Valleiry have in December?
What is the month with the lowest UV index in Valleiry?
What is the UV index reading in December in Valleiry?
Average temperature in December
Valleiry, France
- Average high temperature in December: 4.4°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in December
Valleiry, France
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Valleiry, France
- Average wind speed in December: 9.2km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Valleiry, France
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in December
Valleiry, France
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is October (41mm).
Average rainfall days in December
Valleiry, France
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in December
Valleiry, France
- Average snowfall in December: 81mm
The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Valleiry, France
- Average snowfall days in December: 4.7 days
The months with the highest number of snowfall days are January and February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Valleiry, 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: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Valleiry, France
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in December
Valleiry, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Valleiry, France
- Average cloud cover in December: 49
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Valleiry, France
- Average visibility in December: 8km
The months with the highest visibility are March and April (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (8km).
