December weather forecastGrolsheim, Germany

December

Weather in December

December, the first month of the winter in Grolsheim, is also an icy month, with an average temperature ranging between min 0.5°C (32.9°F) and max 4.9°C (40.8°F).

Temperature

In Grolsheim, entering December brings a subtle temperature decrement, reducing from November's frosty 8.1°C (46.6°F) to an icy 4.9°C (40.8°F). Grolsheim records a mild decrease in temperature during the nights of December, averaging 0.5°C (32.9°F).

Humidity

January and December, with an average relative humidity of 89%, are the most humid months.

Rainfall

In Grolsheim, in December, during 15.9 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, there are 176 rainfall days, and 462mm (18.19") of precipitation is accumulated.

Snowfall

Months with snowfall in Grolsheim are January through April, November and December. In December, it is snowing for 4.9 days. Throughout December, 41mm (1.61") of snow is accumulated. In Grolsheim, during the entire year, snow falls for 22.7 days and aggregates up to 150mm (5.91") of snow.

Daylight

The month with the shortest days in Grolsheim is December, with an average of 8h and 12min of daylight.
On the first day of December in Grolsheim, sunrise is at 08:05 and sunset at 16:29. On the last day of the month, sunrise is at 08:26 and sunset at 16:36 CET.

Sunshine

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

UV index

The months with the lowest UV index in Grolsheim are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average 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. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

In December, the average high-temperature and low-temperature in Grolsheim, Germany, are 4.9°C (40.8°F) and 0.5°C (32.9°F) respectively.

The months with the highest humidity in Grolsheim, Germany, are January and December, with an average relative humidity of 89%.

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

In Grolsheim, in December, it is raining for 15.9 days, with typically 40mm (1.57") of accumulated precipitation.

In Grolsheim, Germany, in December, snow falls for 4.9 days, with typically accumulated 41mm (1.61") of snow.

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

The average day length in December is 8h and 11min.

In December, on the first day of the month, sunrise is at 08:05 and sunset at 16:29. On the last day of the month, in Grolsheim, Germany, sunrise is at 08:26 and sunset at 16:36 CET.

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

The average sunshine duration in December in Grolsheim, Germany, is 3.4h.

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

In December, the average daily maximum UV index in Grolsheim, Germany, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Grolsheim, Germany

  • Average high temperature in December: 4.9°C

The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in December: 0.5°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in December
Grolsheim, Germany

  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).

Average wind speed in December
Grolsheim, Germany

  • Average wind speed in December: 11.7km/h

The windiest months (with the highest average wind speed) are February and March (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in December
Grolsheim, Germany

  • Average humidity in December: 89%

The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are July and August (72%).

Average rainfall in December
Grolsheim, Germany

  • Average rainfall in December: 40mm

The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in December
Grolsheim, Germany

  • Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (11.9 days).

Average snowfall in December
Grolsheim, Germany

  • Average snowfall in December: 41mm

The months with the highest snowfall are January and February (44mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Grolsheim, Germany

  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (7.1 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
Grolsheim, Germany

  • Average daylight in December: 8h and 12min

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 12min).

  • Average sunshine in December: 3h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in December
Grolsheim, Germany

  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is December (9.2 days).

Average UV index in December
Grolsheim, 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
Grolsheim, 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 35).

Average visibility in December
Grolsheim, Germany

  • Average visibility in December: 7km

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