December weather forecastHeuweiler, Germany
December
Weather in December
The first month of the winter, December, is still a cold month in Heuweiler, Germany, with an average temperature varying between 4.5°C (40.1°F) and -0.5°C (31.1°F).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a chilly 8.3°C (46.9°F) in November to a wintry 4.5°C (40.1°F). An average nighttime temperature of -0.5°C (31.1°F) marks December in Heuweiler, Germany.Humidity
In December, the average relative humidity is 86%.Rainfall
In December, in Heuweiler, Germany, the rain falls for 9.1 days. Throughout December, 24mm (0.94") of precipitation is accumulated. In Heuweiler, during the entire year, the rain falls for 114.5 days and collects up to 245mm (9.65") of precipitation.Snowfall
Months with snowfall in Heuweiler are January through April, November and December. In December, it is snowing for 2.9 days. Throughout December, 9mm (0.35") of snow is accumulated. In Heuweiler, during the entire year, snow falls for 15.1 days and aggregates up to 77mm (3.03") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 07:57 and sunset at 16:37. On the last day of December, in Heuweiler, sunrise is at 08:18 and sunset at 16:44 CET.
Sunshine
The month with the least sunshine in Heuweiler is December, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. 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. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heuweiler, Germany
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in December
Heuweiler, Germany
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in December
Heuweiler, Germany
- Average wind speed in December: 10.3km/h
The windiest months (with the highest average wind speed) are February and December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in December
Heuweiler, Germany
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Heuweiler, Germany
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in December
Heuweiler, Germany
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is September (7.4 days).
Average snowfall in December
Heuweiler, Germany
- Average snowfall in December: 9mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Heuweiler, Germany
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Heuweiler, Germany
- Average daylight in December: 8h and 24min
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 24min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Heuweiler, Germany
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in December
Heuweiler, 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, October, November and December (UV index 2).
Average cloud cover in December
Heuweiler, Germany
- Average cloud cover in December: 55
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Heuweiler, Germany
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
