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 arrival of December correlates with a minor temperature reduction, down from November's frosty 8.8°C (47.8°F) to a cold 5.1°C (41.2°F). December nights register a minor temperature decline, steadying at a still icy 1.1°C (34°F).Humidity
December is the most humid month, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Herdecke is December, when the rain falls for 16.8 days and typically aggregates up to 63mm (2.48") of precipitation.Snowfall
Months with snowfall in Herdecke are January through April, November and December. In Herdecke, in December, snow falls for 4.9 days, with typically accumulated 44mm (1.73") of snow. Throughout the year, there are 21.3 snowfall days, and 189mm (7.44") of snow is accumulated.Daylight
The month with the shortest days in Herdecke is December, with an average of 7h and 54min of daylight.On the first day of December in Herdecke, sunrise is at 08:13 and sunset at 16:25. On the last day of the month, sunrise is at 08:35 and sunset at 16:31 CET.
Sunshine
January and December, with an average of 3.5h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Herdecke, Germany, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Herdecke in December?
What is the most humid month in Herdecke?
What is the average humidity in December in Herdecke?
What is the rainiest month in Herdecke?
How much does it rain in Herdecke in December?
How much does it snow in Herdecke in December?
What is the month with the shortest days in Herdecke?
What is the average length of the day in December in Herdecke?
What time are sunrise and sunset in December in Herdecke?
What are the months with the least sunshine in Herdecke?
How many hours of sunshine does Herdecke have in December?
When is the lowest UV index in Herdecke?
What is the UV index intensity in December in Herdecke?
Average temperature in December
Herdecke, Germany
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: 1.1°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 (-0.3°C).
Average pressure in December
Herdecke, Germany
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in December
Herdecke, Germany
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Herdecke, Germany
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Herdecke, Germany
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Herdecke, Germany
- Average rainfall days in December: 16.8 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in December
Herdecke, Germany
- Average snowfall in December: 44mm
The month with the highest snowfall is January (69mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Herdecke, Germany
- Average snowfall days in December: 4.9 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Herdecke, Germany
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in December
Herdecke, Germany
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in December
Herdecke, Germany
- 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
Herdecke, Germany
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Herdecke, Germany
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
