December weather forecastRiem, Germany

December

Weather in December

December, the first month of the winter in Riem, is also an icy month, with an average temperature fluctuating between -0.9°C (30.4°F) and 4°C (39.2°F).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a chilly 8.1°C (46.6°F) in November to an icy 4°C (39.2°F). In Riem, December nights maintain a consistent temperature, with an average low of -0.9°C (30.4°F).

Humidity

In Riem, the average relative humidity in December is 86%.

Rainfall

In Riem, in December, during 12.5 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Riem, during the entire year, the rain falls for 173.5 days and collects up to 625mm (24.61") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Riem, in December, snow falls for 9.8 days, with typically accumulated 91mm (3.58") of snow. Throughout the year, there are 47.7 snowfall days, and 479mm (18.86") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 07:43 and sunset at 16:21. On the last day of December, sunrise is at 08:03 and sunset at 16:29 CET.

Sunshine

The average sunshine in December is 4.3h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 2 in December transforms into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

The high-temperature, in December, in Riem, is 4°C (39.2°F), while the low-temperature averages to -0.9°C (30.4°F).

In Riem, the average relative humidity in December is 86%.

In Riem, in December, it is raining for 12.5 days, with typically 48mm (1.89") of accumulated precipitation.

In Riem, during December, snow falls for 9.8 days and regularly aggregates up to 91mm (3.58") of snow.

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

In Riem, the average day length in December is 8h and 26min.

In December, on the first day of the month, sunrise is at 07:43 and sunset at 16:21. On the last day of the month, sunrise is at 08:03 and sunset at 16:29 CET.

The average sunshine duration in December is 4.3h.

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Riem, Germany

  • Average high temperature in December: 4°C

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in December: -0.9°C

The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average pressure in December
Riem, Germany

  • Average pressure in December: 1020.3mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in December
Riem, Germany

  • Average wind speed in December: 11.8km/h

The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest months (with the lowest average wind speed) are August and September (8.3km/h).

Average humidity in December
Riem, Germany

  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Riem, Germany

  • Average rainfall in December: 48mm

The wettest month (with the highest rainfall) is August (79mm).
The driest month (with the least rainfall) is November (29mm).

Average rainfall days in December
Riem, Germany

  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Riem, Germany

  • Average snowfall in December: 91mm

The month with the highest snowfall is January (170mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Riem, Germany

  • Average snowfall days in December: 9.8 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Riem, 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 18min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Riem, Germany

  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (7.6 days).

Average UV index in December
Riem, 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, October, November and December (UV index 2).

Average cloud cover in December
Riem, Germany

  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Riem, Germany

  • Average visibility in December: 8km

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