December weather forecastRettert, Germany

December

Weather in December

December, the first month of the winter in Rettert, is also an icy month, with an average temperature ranging between min 0.5°C (32.9°F) and max 5°C (41°F).

Temperature

The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a frosty 8.3°C (46.9°F) in November to a wintry 5°C (41°F). Rettert sees a minor drop to an average minimum temperature of 0.5°C (32.9°F) during the night in the month of December.

Humidity

December is the most humid month, with an average relative humidity of 89%.

Rainfall

In December, the rain falls for 9 days. Throughout December, 12mm (0.47") of precipitation is accumulated. Throughout the year, there are 116.8 rainfall days, and 183mm (7.2") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 3.1 days. Throughout December, 11mm (0.43") of snow is accumulated. Throughout the year, there are 14.9 snowfall days, and 47mm (1.85") of snow is accumulated.

Daylight

December has the shortest days of the year in Rettert, Germany, with an average of 8h and 6min of daylight.
On the first day of December, sunrise is at 08:06 and sunset at 16:28. On the last day of the month, sunrise is at 08:27 and sunset at 16:35 CET.

Sunshine

December has the least sunshine of the year in Rettert, with an average of 3.4h of sunshine.

UV index

The months with the lowest UV index in Rettert, Germany, are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

In Rettert, 5°C (41°F) is the average high-temperature and 0.5°C (32.9°F) is the average low-temperature during December.

The most humid month in Rettert is December, with an average relative humidity of 89%.

In December, the average relative humidity in Rettert, Germany, is 89%.

In December, the rain falls for 9 days. Throughout December, 12mm (0.47") of precipitation is accumulated.

In Rettert, Germany, during December, snow falls for 3.1 days and regularly aggregates up to 11mm (0.43") of snow.

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

In Rettert, Germany, the average day length in December is 8h and 8min.

On the first day of December in Rettert, sunrise is at 08:06 and sunset at 16:28. On the last day of the month, sunrise is at 08:27 and sunset at 16:35 CET.

With an average of 3.4h of sunshine, December has the least sunshine of the year in Rettert, Germany.

In Rettert, Germany, the average sunshine duration in December is 3.4h.

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

The average daily maximum UV index in December in Rettert, Germany, is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Rettert, Germany

  • Average high temperature in December: 5°C

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (3.5°C).

  • Average low temperature in December: 0.5°C

The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

Average pressure in December
Rettert, Germany

  • Average pressure in December: 1018.3mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).

Average wind speed in December
Rettert, Germany

  • Average wind speed in December: 11.1km/h

The windiest month (with the highest average wind speed) is March (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).

Average humidity in December
Rettert, Germany

  • Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in December
Rettert, Germany

  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is August (26mm).
The driest month (with the least rainfall) is January (8mm).

Average rainfall days in December
Rettert, Germany

  • Average rainfall days in December: 9 days

The months with the highest number of rainy days are May and July (12.5 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in December
Rettert, Germany

  • Average snowfall in December: 11mm

The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Rettert, Germany

  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (4.9 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
Rettert, Germany

  • Average daylight in December: 8h and 6min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 3h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in December
Rettert, Germany

  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (15.3 days).

Average UV index in December
Rettert, 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, March, November and December (UV index 2).

Average cloud cover in December
Rettert, Germany

  • Average cloud cover in December: 66

The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Rettert, Germany

  • Average visibility in December: 8km

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