December weather forecastOpperzau, Germany

December

Weather in December

December, the first month of the winter in Opperzau, is also a wintry month, with an average temperature varying between -0.6°C (30.9°F) and 3.9°C (39°F).

Temperature

The advent of December brings a slight shift in average high-temperature, moving from a chilly 7.3°C (45.1°F) in November to a wintry 3.9°C (39°F). Opperzau maintains an average low-temperature of -0.6°C (30.9°F) throughout December's nights.

Humidity

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

Rainfall

The month with the most rainfall is December, when the rain falls for 13.9 days and typically aggregates up to 72mm (2.83") of precipitation.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 13.4 days and accumulates 182mm (7.17") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 0min of daylight.
On the first day of December, sunrise is at 08:09 and sunset at 16:26. On the last day of the month, sunrise is at 08:31 and sunset at 16:33 CET.

Sunshine

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

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Enhance your sun protection with tightly woven, yet airy clothing. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

The high-temperature, in December, in Opperzau, records 3.9°C (39°F), while the low-temperature is -0.6°C (30.9°F).

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

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

The month with the most rainfall is December, when the rain falls for 13.9 days and typically aggregates up to 72mm (2.83") of precipitation.

In December, the rain falls for 13.9 days. Throughout December, 72mm (2.83") of precipitation is accumulated.

December is the month with the most snowfall. Snow falls for 13.4 days and accumulates 182mm (7.17") of snow.

In Opperzau, in December, snow falls for 13.4 days, with typically accumulated 182mm (7.17") of snow.

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

In December, the average day length is 8h and 2min.

In December, on the first day of the month, sunrise is at 08:09 and sunset at 16:26. On the last day of the month, sunrise is at 08:31 and sunset at 16:33 CET.

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

In December, the average sunshine duration is 2.7h.

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

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Opperzau, 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
Opperzau, 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
Opperzau, 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
Opperzau, 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
Opperzau, 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
Opperzau, 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
Opperzau, 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
Opperzau, 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
Opperzau, 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).

Average sunshine days in December
Opperzau, 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
Opperzau, 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
Opperzau, 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
Opperzau, 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).