December weather forecastMarnheim, Germany

December

Weather in December

The first month of the winter, December, is still a cold month in Marnheim, Germany, with temperature in the range of an average high of 5.2°C (41.4°F) and an average low of 0.9°C (33.6°F).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a frosty 8.7°C (47.7°F) in November to an icy 5.2°C (41.4°F). Marnheim experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 0.9°C (33.6°F) throughout December.

Humidity

January and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

In Marnheim, Germany, in December, during 12 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, there are 139 rainfall days, and 273mm (10.75") of precipitation is accumulated.

Snowfall

January through March, October through December are months with snowfall. The month with the most snowfall in Marnheim is December, when snow falls for 4.1 days and typically aggregates up to 26mm (1.02") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of the month, sunrise is at 08:03 and sunset at 16:30. On the last day of December, sunrise is at 08:24 and sunset at 16:37 CET.

Sunshine

December has the least sunshine of the year, with an average of 4h of 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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

December temperatures vary between a high-temperature of 5.2°C (41.4°F) and a low-temperature of 0.9°C (33.6°F).

The months with the highest humidity in Marnheim are January and December, with an average relative humidity of 86%.

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

In December, the rain falls for 12 days. Throughout December, 25mm (0.98") of precipitation is accumulated.

December is the month with the most snowfall. Snow falls for 4.1 days and accumulates 26mm (1.02") of snow.

In Marnheim, during December, snow falls for 4.1 days and regularly aggregates up to 26mm (1.02") of snow.

With an average of 8h and 12min of daylight, December has the shortest days of the year.

In Marnheim, the average day length in December is 8h and 13min.

On the first day of December, sunrise is at 08:03 and sunset at 16:30. On the last day of the month, sunrise is at 08:24 and sunset at 16:37 CET.

With an average of 4h of sunshine, December has the least sunshine of the year.

In December, the average sunshine duration in Marnheim is 4h.

The months with the lowest UV index are January, February, November and 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 minimal hazard to health from exposure to the Sun's 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
Marnheim, Germany

  • Average high temperature in December: 5.2°C

The warmest months (with the highest average high temperature) are July and August (25.3°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in December: 0.9°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

Average pressure in December
Marnheim, Germany

  • Average pressure in December: 1018.7mbar

The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).

Average wind speed in December
Marnheim, Germany

  • Average wind speed in December: 12.1km/h

The windiest month (with the highest average wind speed) is February (12.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in December
Marnheim, Germany

  • Average humidity in December: 86%

The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are July and August (68%).

Average rainfall in December
Marnheim, Germany

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is May (37mm).
The driest month (with the least rainfall) is March (13mm).

Average rainfall days in December
Marnheim, Germany

  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is September (9.2 days).

Average snowfall in December
Marnheim, Germany

  • Average snowfall in December: 26mm

The month with the highest snowfall is December (26mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Marnheim, Germany

  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (5.8 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
Marnheim, Germany

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

Average sunshine days in December
Marnheim, Germany

  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in December
Marnheim, Germany

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Marnheim, Germany

  • Average cloud cover in December: 61

The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Marnheim, Germany

  • Average visibility in December: 8km

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