December weather forecastHeidweiler, Germany
December
Weather in December
December, the first month of the winter in Heidweiler, is also a wintry month, with temperature in the range of an average low of 0°C (32°F) and an average high of 4.4°C (39.9°F).Temperature
Heidweiler's December weather features a light decline in high-temperatures, reducing from a frosty 7.8°C (46°F) in November to an icy 4.4°C (39.9°F). A modest nighttime temperature average of 0°C (32°F) characterizes December.Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
December is the month with the most rainfall. Rain falls for 12.8 days and accumulates 33mm (1.3") of precipitation.Snowfall
January through March, May, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 4.5 days and typically aggregates up to 33mm (1.3") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:09 and sunset at 16:34. On the last day of December, sunrise is at 08:30 and sunset at 16:41 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.1h of sunshine.UV index
The months with the lowest UV index in Heidweiler are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heidweiler, Germany
- Average high temperature in December: 4.4°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 (2.9°C).
- Average low temperature in December: 0°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in December
Heidweiler, Germany
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in December
Heidweiler, Germany
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in December
Heidweiler, Germany
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Heidweiler, Germany
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Heidweiler, Germany
- Average rainfall days in December: 12.8 days
The months with the highest number of rainy days are June, July and August (13.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Heidweiler, Germany
- Average snowfall in December: 33mm
The month with the highest snowfall is December (33mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).
Average snowfall days in December
Heidweiler, Germany
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heidweiler, Germany
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Heidweiler, Germany
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is December (12.8 days).
Average UV index in December
Heidweiler, Germany
- 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
Heidweiler, Germany
- Average cloud cover in December: 70
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Heidweiler, Germany
- Average visibility in December: 7km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
