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
December's arrival subtly correlates with a reduction in the average high-temperature, down from a chilly 9.5°C (49.1°F) in November to a still frosty 6.3°C (43.3°F). In December, Sissonne temperatures settle at a low of 2°C (35.6°F) during the nights, reflecting a minor change from daytime highs.Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
December is the month with the most rainfall in Sissonne, France. Rain falls for 14.2 days and accumulates 39mm (1.54") of precipitation.Snowfall
Months with snowfall in Sissonne, France, are January through March, November and December. In December, it is snowing for 2.2 days. Throughout December, 13mm (0.51") of snow is accumulated. Throughout the year, there are 9.4 snowfall days, and 51mm (2.01") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Sissonne.On the first day of the month, sunrise is at 08:19 and sunset at 16:47. On the last day of December, sunrise is at 08:40 and sunset at 16:54 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sissonne?
What is the most humid month in Sissonne?
What is the average humidity in December in Sissonne?
What is the wettest month in Sissonne?
How many days does it rain in December in Sissonne?
How many days does it snow in December in Sissonne?
What is the month with the shortest days in Sissonne?
How many hours of daylight does Sissonne have in December?
What time are sunrise and sunset in December in Sissonne?
What are the months with the least sunshine in Sissonne?
How many hours of sunshine does Sissonne have in December?
When is the lowest UV index in Sissonne?
How high is the UV index in December in Sissonne?
Average temperature in December
Sissonne, France
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in December
Sissonne, France
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in December
Sissonne, France
- Average wind speed in December: 14.8km/h
The windiest month (with the highest average wind speed) is February (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Sissonne, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Sissonne, France
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Sissonne, France
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in December
Sissonne, France
- Average snowfall in December: 13mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Sissonne, France
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sissonne, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Sissonne, France
- Average sunshine days in December: 13 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Sissonne, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sissonne, France
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in December
Sissonne, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, July, August and September (9km).
The months with the lowest visibility are January, May, June, October, November and December (8km).
