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
A mild drop in Thiennes's average high-temperature is observed in December, transitioning from a cool 10°C (50°F) in November to a frosty 6.9°C (44.4°F). Thiennes upholds a consistent average temperature of 2.7°C (36.9°F) throughout the nights of December.Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
The month with the most rainfall is December, when the rain falls for 15.6 days and typically aggregates up to 49mm (1.93") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Thiennes, during December, snow falls for 2.4 days and regularly aggregates up to 19mm (0.75") of snow. Throughout the year, there are 10.2 snowfall days, and 79mm (3.11") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:30 and sunset at 16:48. On the last day of the month, sunrise is at 08:51 and sunset at 16:55 CET.
Sunshine
In Thiennes, the average sunshine in December is 4.1h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. On your guard! Snow's reflection 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?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Thiennes have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Thiennes, France
- Average high temperature in December: 6.9°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in December: 2.7°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 (1.2°C).
Average pressure in December
Thiennes, France
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Thiennes, France
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in December
Thiennes, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Thiennes, France
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Thiennes, France
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in December
Thiennes, France
- Average snowfall in December: 19mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Thiennes, France
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Thiennes, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Thiennes, France
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in December
Thiennes, 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
Thiennes, France
- Average cloud cover in December: 59
The months with the most cloud cover are January and November (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in December
Thiennes, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
