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
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a frosty 9.1°C (48.4°F) in November to an icy 5.4°C (41.7°F). Bollwiller throughout December, experiences an average nighttime temperature of 0.2°C (32.4°F).Humidity
The average relative humidity in December is 84%.Rainfall
In Bollwiller, in December, it is raining for 13.8 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 159.7 rainfall days, and 402mm (15.83") of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall in Bollwiller. In Bollwiller, in December, snow falls for 4.3 days, with typically accumulated 33mm (1.3") of snow. In Bollwiller, during the entire year, snow falls for 20.1 days and aggregates up to 135mm (5.31") of snow.Daylight
December has the shortest days of the year in Bollwiller, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 07:59 and sunset at 16:40. On the last day of the month, sunrise is at 08:20 and sunset at 16:48 CET.
Sunshine
December has the least sunshine of the year, with an average of 5h 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 Bollwiller. 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, the maximum UV index of 2 transforms into these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Bollwiller in December?
What is the average humidity in December in Bollwiller?
How many days does it rain in December in Bollwiller?
How many days does it snow in December in Bollwiller?
What is the month with the shortest days in Bollwiller?
How many hours of daylight does Bollwiller have in December?
When are sunrise and sunset in December in Bollwiller?
What is the month with the least sunshine in Bollwiller?
How many hours of sunshine does Bollwiller have in December?
What are the months with the lowest UV index in Bollwiller?
What is the UV index reading in December in Bollwiller?
Average temperature in December
Bollwiller, France
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).
Average pressure in December
Bollwiller, France
- Average pressure in December: 1020.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in December
Bollwiller, France
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in December
Bollwiller, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Bollwiller, France
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in December
Bollwiller, France
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Bollwiller, France
- Average snowfall in December: 33mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Bollwiller, France
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bollwiller, France
- Average daylight in December: 8h and 3min
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 30min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Bollwiller, France
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Bollwiller, 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
Bollwiller, France
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Bollwiller, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
