December weather forecastUnterharmersbach, Germany

December

Weather in December

December, the first month of the winter in Unterharmersbach, is still a cold month, with temperature in the range of an average high of 5.2°C (41.4°F) and an average low of 0.3°C (32.5°F).

Temperature

With the onset of December, Unterharmersbach's climate undergoes a slight change as the average high-temperature moves from a frosty 9.1°C (48.4°F) in November to a cold 5.2°C (41.4°F). Unterharmersbach records a negligible downturn from daytime temperatures, averaging a low of 0.3°C (32.5°F) in the month of December.

Humidity

The average relative humidity in December is 86%.

Rainfall

The month with the most rainfall is December, when the rain falls for 16.1 days and typically aggregates up to 71mm (2.8") of precipitation.

Snowfall

Months with snowfall are January through March, October through December. In Unterharmersbach, in December, during 4.9 snowfall days, 54mm (2.13") of snow is typically accumulated. Throughout the year, there are 23.7 snowfall days, and 211mm (8.31") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 07:58 and sunset at 16:35. On the last day of December, sunrise is at 08:18 and sunset at 16:42 CET.

Sunshine

January and December, with an average of 4.5h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

In Unterharmersbach, in December, the average high-temperature is 5.2°C (41.4°F), and the average low-temperature is 0.3°C (32.5°F).

In December, the average relative humidity is 86%.

The month with the most rainfall is December, when the rain falls for 16.1 days and typically aggregates up to 71mm (2.8") of precipitation.

In Unterharmersbach, Germany, in December, it is raining for 16.1 days, with typically 71mm (2.8") of accumulated precipitation.

In Unterharmersbach, in December, during 4.9 snowfall days, 54mm (2.13") of snow is typically accumulated.

The month with the shortest days is December, with an average of 8h and 24min of daylight.

In December, the average day length is 8h and 25min.

In December, on the first day of the month, sunrise is at 07:58 and sunset at 16:35. On the last day of the month, sunrise is at 08:18 and sunset at 16:42 CET.

January and December, with an average of 4.5h of sunshine, are months with the least sunshine.

The average sunshine duration in December is 4.5h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Unterharmersbach, Germany

  • Average high temperature in December: 5.2°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (3.9°C).

  • Average low temperature in December: 0.3°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).

Average pressure in December
Unterharmersbach, Germany

  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).

Average wind speed in December
Unterharmersbach, Germany

  • Average wind speed in December: 10.6km/h

The windiest month (with the highest average wind speed) is December (10.6km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).

Average humidity in December
Unterharmersbach, Germany

  • Average humidity in December: 86%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in December
Unterharmersbach, Germany

  • Average rainfall in December: 71mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in December
Unterharmersbach, Germany

  • Average rainfall days in December: 16.1 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (10.4 days).

Average snowfall in December
Unterharmersbach, Germany

  • Average snowfall in December: 54mm

The month with the highest snowfall is January (73mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Unterharmersbach, Germany

  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 24min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 4h and 30min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).

Average sunshine days in December
Unterharmersbach, Germany

  • Average sunshine days in December: 11.4 days

The months with the most sunshine days are September and October (16.4 days).
The month with the least sunshine days is May (9.1 days).

Average UV index in December
Unterharmersbach, Germany

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Unterharmersbach, Germany

  • Average cloud cover in December: 55

The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Unterharmersbach, Germany

  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).