December weather forecastGreifenstein, Germany

December

Weather in December

The first month of the winter, December, is also an icy month in Greifenstein, Germany, with temperature in the range of an average high of 4.1°C (39.4°F) and an average low of 0°C (32°F).

Temperature

Greifenstein's weather subtly changes with the onset of December, barely falling from a frosty 7.7°C (45.9°F) in November to an icy 4.1°C (39.4°F). With a barely noticeable fluctuation in temperature, Greifenstein reaches an average low of 0°C (32°F) during the December nights.

Humidity

January and December, with an average relative humidity of 90%, are the most humid months.

Rainfall

In December, the rain falls for 15.5 days. Throughout December, 49mm (1.93") of precipitation is accumulated. In Greifenstein, during the entire year, the rain falls for 168.8 days and collects up to 473mm (18.62") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Greifenstein. December is the month with the most snowfall. Snow falls for 6.7 days and accumulates 66mm (2.6") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 08:06 and sunset at 16:25. On the last day of December, sunrise is at 08:28 and sunset at 16:31 CET.

Sunshine

With an average of 3.1h of sunshine, December has the least sunshine of the year in Greifenstein.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Greifenstein. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

The average high-temperature, in December, in Greifenstein, is 4.1°C (39.4°F), while the average low-temperature is 0°C (32°F).

January and December, with an average relative humidity of 90%, are most humid months in Greifenstein.

The average relative humidity in December is 90%.

In Greifenstein, Germany, in December, it is raining for 15.5 days, with typically 49mm (1.93") of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 6.7 days and accumulates 66mm (2.6") of snow.

In Greifenstein, Germany, in December, during 6.7 snowfall days, 66mm (2.6") of snow is typically accumulated.

December has the shortest days of the year in Greifenstein, with an average of 8h and 6min of daylight.

The average day length in December in Greifenstein, Germany, is 8h and 4min.

In December, on the first day of the month, sunrise is at 08:06 and sunset at 16:25. On the last day of the month, in Greifenstein, sunrise is at 08:28 and sunset at 16:31 CET.

December has the least sunshine of the year, with an average of 3.1h of sunshine.

In December, the average sunshine duration is 3.1h.

With an average maximum UV index of 1, December is the month with the lowest UV index.

In Greifenstein, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Greifenstein, Germany

  • Average high temperature in December: 4.1°C

The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in December: 0°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).

Average pressure in December
Greifenstein, Germany

  • Average pressure in December: 1017.6mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in December
Greifenstein, Germany

  • Average wind speed in December: 12.1km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in December
Greifenstein, Germany

  • Average humidity in December: 90%

The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (74%).

Average rainfall in December
Greifenstein, Germany

  • Average rainfall in December: 49mm

The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in December
Greifenstein, Germany

  • Average rainfall days in December: 15.5 days

The month with the highest number of rainy days is July (17.3 days).
The months with the least rainy days are February and September (11.5 days).

Average snowfall in December
Greifenstein, Germany

  • Average snowfall in December: 66mm

The month with the highest snowfall is December (66mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Greifenstein, Germany

  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Greifenstein, Germany

  • Average daylight in December: 8h and 6min

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 6min).

  • Average sunshine in December: 3h and 6min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in December
Greifenstein, Germany

  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is December (9.5 days).

Average UV index in December
Greifenstein, Germany

  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Greifenstein, Germany

  • Average cloud cover in December: 70

The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 38).

Average visibility in December
Greifenstein, Germany

  • Average visibility in December: 7km

The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, October, November and December (7km).