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 transitions into December, Sionne sees a gentle drop in the average high-temperature, transitioning from a chilly 8.5°C (47.3°F) to a cold 5.2°C (41.4°F). Sionne maintains an average of approximately a still wintry 1.1°C (34°F) during December nights, with only a minimal decrease from the daytime temperature.Humidity
The most humid month is December, with an average relative humidity of 90%.Rainfall
December is the month with the most rainfall in Sionne. Rain falls for 15 days and accumulates 75mm (2.95") of precipitation.Snowfall
Months with snowfall in Sionne are January through March, May, October through December. In Sionne, in December, snow falls for 5.8 days, with typically accumulated 56mm (2.2") of snow. In Sionne, France, during the entire year, snow falls for 26.2 days and aggregates up to 208mm (8.19") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Sionne.On the first day of the month, sunrise is at 08:08 and sunset at 16:45. On the last day of December, in Sionne, sunrise is at 08:28 and sunset at 16:52 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sionne, France. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of 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 it in Sionne in December?
What is the most humid month in Sionne?
What is the average humidity in December in Sionne?
What is the wettest month in Sionne?
How many days does it rain in December in Sionne?
How many days does it snow in December in Sionne?
What is the month with the shortest days in Sionne?
How many hours of daylight does Sionne have in December?
What time are sunrise and sunset in December in Sionne?
What is the month with the least sunshine in Sionne?
How many hours of sunshine does Sionne have in December?
When is the lowest UV index in Sionne?
What is the UV index intensity in December in Sionne?
Average temperature in December
Sionne, France
- Average high temperature in December: 5.2°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: 1.1°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in December
Sionne, France
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in December
Sionne, France
- Average wind speed in December: 16.4km/h
The windiest months (with the highest average wind speed) are February and December (16.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Sionne, France
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Sionne, France
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is December (75mm).
The driest months (with the least rainfall) are April, September and October (34mm).
Average rainfall days in December
Sionne, France
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in December
Sionne, France
- Average snowfall in December: 56mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in December
Sionne, France
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sionne, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Sionne, France
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in December
Sionne, 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
Sionne, France
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Sionne, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
