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
Sillingy's progression into December involves a gentle drop in the average high-temperature, from a frosty 8.8°C (47.8°F) in November to a cold 4.5°C (40.1°F). Throughout December, the temperature tends to fall to a consistent average low of -2.4°C (27.7°F).Humidity
In Sillingy, France, the average relative humidity in December is 83%.Rainfall
The month with the most rainfall in Sillingy is December, when the rain falls for 12.5 days and typically aggregates up to 119mm (4.69") of precipitation.Snowfall
January through May, September through December are months with snowfall in Sillingy. December is the month with the most snowfall in Sillingy. Snow falls for 5.5 days and accumulates 171mm (6.73") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:57 and sunset at 16:52. On the last day of the month, sunrise is at 08:17 and sunset at 17:00 CET.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year in Sillingy.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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Sillingy during December?
What is the average humidity in December in Sillingy?
What is the wettest month in Sillingy?
How many days does it rain in December in Sillingy?
When does it snow the most in Sillingy?
How much does it snow in Sillingy in December?
What is the month with the shortest days in Sillingy?
How many hours of daylight does Sillingy have in December?
When is the sunrise / sunset in December in Sillingy?
What is the month with the least sunshine in Sillingy?
How many hours of sunshine does Sillingy have in December?
What is the month with the lowest UV index in Sillingy?
How high is the UV index in December in Sillingy?
Average temperature in December
Sillingy, France
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in December: -2.4°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in December
Sillingy, France
- Average pressure in December: 1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Sillingy, France
- Average wind speed in December: 7.3km/h
The windiest months (with the highest average wind speed) are February and March (7.5km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in December
Sillingy, France
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Sillingy, France
- Average rainfall in December: 119mm
The wettest month (with the highest rainfall) is December (119mm).
The driest month (with the least rainfall) is September (47mm).
Average rainfall days in December
Sillingy, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is October (11.6 days).
Average snowfall in December
Sillingy, France
- Average snowfall in December: 171mm
The month with the highest snowfall is December (171mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Sillingy, France
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sillingy, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Sillingy, France
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in December
Sillingy, 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, November and December (UV index 2).
Average cloud cover in December
Sillingy, France
- Average cloud cover in December: 43
The months with the most cloud cover are January and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Sillingy, France
- Average visibility in December: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
Sillingy, France
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