December weather forecastRheindahlen, Germany

December

Weather in December

The first month of the winter, December, is still a chilly month in Rheindahlen, Germany, with an average temperature fluctuating between 2.2°C (36°F) and 6.2°C (43.2°F).

Temperature

December is marked by a subtle drop in average high-temperatures, transitioning from a chilly 9.7°C (49.5°F) in November to a still frosty 6.2°C (43.2°F). Rheindahlen's nighttime average temperature in December drops marginally from the daytime highs, settling at an icy 2.2°C (36°F).

Humidity

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

Rainfall

In Rheindahlen, during December, the rain falls for 11.6 days and regularly aggregates up to 26mm (1.02") of precipitation. In Rheindahlen, during the entire year, the rain falls for 142.9 days and collects up to 281mm (11.06") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Rheindahlen. In December, in Rheindahlen, it is snowing for 3 days. Throughout December, 14mm (0.55") of snow is accumulated. Throughout the year, in Rheindahlen, there are 12.2 snowfall days, and 67mm (2.64") of snow is accumulated.

Daylight

With an average of 8h and 0min of daylight, December has the shortest days of the year in Rheindahlen.
On the first day of the month, sunrise is at 08:16 and sunset at 16:30. On the last day of December, sunrise is at 08:38 and sunset at 16:37 CET.

Sunshine

December has the least sunshine of the year, with an average of 3.8h 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during December translates into the following guidance:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

The high-temperature, in December, in Rheindahlen, is 6.2°C (43.2°F), while the low-temperature averages to 2.2°C (36°F).

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

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

In Rheindahlen, Germany, in December, during 11.6 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

In Rheindahlen, during December, snow falls for 3 days and regularly aggregates up to 14mm (0.55") of snow.

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

In December, the average day length in Rheindahlen, Germany, is 7h and 59min.

In December, on the first day of the month, sunrise is at 08:16 and sunset at 16:30. On the last day of the month, in Rheindahlen, sunrise is at 08:38 and sunset at 16:37 CET.

The month with the least sunshine is December, with an average of 3.8h of sunshine.

The average sunshine duration in December in Rheindahlen, Germany, is 3.8h.

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

In Rheindahlen, Germany, 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
Rheindahlen, Germany

  • Average high temperature in December: 6.2°C

The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in December: 2.2°C

The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).

Average pressure in December
Rheindahlen, Germany

  • Average pressure in December: 1016.5mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in December
Rheindahlen, Germany

  • Average wind speed in December: 16.7km/h

The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).

Average humidity in December
Rheindahlen, 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 April and August (73%).

Average rainfall in December
Rheindahlen, Germany

  • Average rainfall in December: 26mm

The wettest month (with the highest rainfall) is June (32mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in December
Rheindahlen, Germany

  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is August (14.6 days).
The months with the least rainy days are February and April (9.9 days).

Average snowfall in December
Rheindahlen, Germany

  • Average snowfall in December: 14mm

The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Rheindahlen, Germany

  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 3h and 48min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days in December
Rheindahlen, Germany

  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is August (13 days).

Average UV index in December
Rheindahlen, Germany

  • Average UV index in December: 2

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

Average cloud cover in December
Rheindahlen, Germany

  • Average cloud cover in December: 60

The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in December
Rheindahlen, Germany

  • Average visibility in December: 9km

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