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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's frosty 9.1°C (48.4°F) to an icy 5.4°C (41.7°F). Throughout December, the temperature in Hartmannswiller tends to fall to a consistent average low of 0.2°C (32.4°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In Hartmannswiller, in December, it is raining for 13.8 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, in Hartmannswiller, France, 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 Hartmannswiller, France. In Hartmannswiller, in December, snow falls for 4.3 days, with typically accumulated 33mm (1.3") of snow. Throughout the year, there are 20.1 snowfall days, and 135mm (5.31") of snow is accumulated.Daylight
The month with the shortest days is December, 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 in Hartmannswiller, France, 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. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Hartmannswiller in December?
What is the average humidity in December in Hartmannswiller?
How many days does it rain in December in Hartmannswiller?
How many days does it snow in December in Hartmannswiller?
What is the month with the shortest days in Hartmannswiller?
How many hours of daylight does Hartmannswiller have in December?
What time are sunrise and sunset in December in Hartmannswiller?
What is the month with the least sunshine in Hartmannswiller?
How many hours of sunshine does Hartmannswiller have in December?
When is the lowest UV index in Hartmannswiller?
What is the UV index intensity in December in Hartmannswiller?
Average temperature in December
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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
Hartmannswiller, 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).
