December weather forecastHerdorf, Germany

December

Weather in December

The first month of the winter, December, is also a wintry month in Herdorf, Germany, with an average temperature ranging between max 3.9°C (39°F) and min -0.6°C (30.9°F).

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.

Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 3.9°C (39°F) and the low-temperature is -0.6°C (30.9°F).

With an average relative humidity of 92%, December is the most humid month.

In Herdorf, Germany, the average relative humidity in December is 92%.

December is the month with the most rainfall in Herdorf. Rain falls for 13.9 days and accumulates 72mm (2.83") of precipitation.

In Herdorf, Germany, during December, the rain falls for 13.9 days and regularly aggregates up to 72mm (2.83") of precipitation.

The month with the most snowfall in Herdorf, Germany, is December, when snow falls for 13.4 days and typically aggregates up to 182mm (7.17") of snow.

In Herdorf, during December, snow falls for 13.4 days and regularly aggregates up to 182mm (7.17") of snow.

With an average of 8h and 0min of daylight, December has the shortest days of the year.

In Herdorf, the average day length in December is 8h and 3min.

In December, on the first day of the month, sunrise is at 08:08 and sunset at 16:25. On the last day of the month, in Herdorf, sunrise is at 08:30 and sunset at 16:32 CET.

December has the least sunshine of the year, with an average of 2.7h of sunshine.

The average sunshine duration in December in Herdorf is 2.7h.

The months with the lowest UV index in Herdorf, Germany, are November and December, with an average maximum UV index of 1.

In Herdorf, Germany, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

7.3°C

3.9°C

2.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.6km/h

12.9km/h

12.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.5

7.7

9.1

Average UV index

Average cloud cover

Average visibility

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 42min

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).