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
Weather in December
Temperature
The shift from November to December includes a small decrease in the average high-temperature, from a frosty 7.3°C (45.1°F) to a wintry 3.9°C (39°F). Herdorf notes a steady average temperature of -0.6°C (30.9°F) during the nights of December.Humidity
December is the most humid month, with an average relative humidity of 92%.Rainfall
December is the month with the most rainfall. Rain falls for 13.9 days and accumulates 72mm (2.83") of precipitation.Snowfall
January through May, October through December are months with snowfall in Herdorf. December is the month with the most snowfall in Herdorf. Snow falls for 13.4 days and accumulates 182mm (7.17") of snow.Daylight
December has the shortest days of the year in Herdorf, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 08:08 and sunset at 16:25. On the last day of December, sunrise is at 08:30 and sunset at 16:32 CET.
Sunshine
With an average of 2.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Herdorf are November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Herdorf during December?
What is the most humid month in Herdorf?
What is the average humidity in December in Herdorf?
What is the wettest month in Herdorf?
How much does it rain in Herdorf in December?
What is the snowiest month in Herdorf?
How much does it snow in Herdorf in December?
What is the month with the shortest days in Herdorf?
What is the average length of the day in December in Herdorf?
When are sunrise and sunset in December in Herdorf?
What is the month with the least sunshine in Herdorf?
How long on average sun shines in December in Herdorf?
What is the month with the lowest UV index in Herdorf?
How high is the UV index in December in Herdorf?
Average temperature in December
Herdorf, Germany
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in December: -0.6°C
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in December
Herdorf, Germany
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in December
Herdorf, Germany
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in December
Herdorf, Germany
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Herdorf, Germany
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are April and September (32mm).
Average rainfall days in December
Herdorf, Germany
- Average rainfall days in December: 13.9 days
The months with the highest number of rainy days are May and July (17.2 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Herdorf, Germany
- Average snowfall in December: 182mm
The month with the highest snowfall is December (182mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Herdorf, Germany
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Herdorf, Germany
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in December
Herdorf, Germany
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is December (7.7 days).
Average UV index in December
Herdorf, Germany
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Herdorf, Germany
- Average cloud cover in December: 74
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in December
Herdorf, Germany
- Average visibility in December: 6km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January and December (6km).
Herdorf, Germany
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