December weather forecastRuppen, Switzerland

December

Weather in December

December, the first month of the winter in Ruppen, is also an icy month, with temperature in the range of an average low of -1.4°C (29.5°F) and an average high of 4.1°C (39.4°F).

Temperature

Ruppen's December weather shows a modest shift in high-temperatures, falling from November's frosty 8.6°C (47.5°F) to an icy 4.1°C (39.4°F). An average low-temperature of -1.4°C (29.5°F) marks the nights throughout December.

Humidity

The average relative humidity in December is 82%.

Rainfall

In Ruppen, in December, it is raining for 11.7 days, with typically 97mm (3.82") of accumulated precipitation. In Ruppen, during the entire year, the rain falls for 177.8 days and collects up to 1006mm (39.61") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Ruppen, in December, during 11.2 snowfall days, 261mm (10.28") of snow is typically accumulated. Throughout the year, there are 55.7 snowfall days, and 1345mm (52.95") of snow is accumulated.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:48 and sunset at 16:33. On the last day of the month, sunrise is at 08:09 and sunset at 16:41 CET.

Sunshine

The months with the least sunshine are February and December, with an average of 5.1h 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 vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

December temperatures vary between a high-temperature of 4.1°C (39.4°F) and a low-temperature of -1.4°C (29.5°F).

In December, the average relative humidity is 82%.

In December, the rain falls for 11.7 days. Throughout December, 97mm (3.82") of precipitation is accumulated.

In Ruppen, during December, snow falls for 11.2 days and regularly aggregates up to 261mm (10.28") of snow.

December has the shortest days of the year, with an average of 8h and 30min of daylight.

In Ruppen, the average day length in December is 8h and 32min.

In December, on the first day of the month, sunrise is at 07:48 and sunset at 16:33. On the last day of the month, sunrise is at 08:09 and sunset at 16:41 CET.

The months with the least sunshine in Ruppen are February and December, with an average of 5.1h of sunshine.

The average sunshine duration in December is 5.1h.

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

In Ruppen, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Ruppen, Switzerland

  • Average high temperature in December: 4.1°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in December: -1.4°C

The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in December
Ruppen, Switzerland

  • Average pressure in December: 1020.8mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in December
Ruppen, Switzerland

  • Average wind speed in December: 8.6km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in December
Ruppen, Switzerland

  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).

Average rainfall in December
Ruppen, Switzerland

  • Average rainfall in December: 97mm

The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).

Average rainfall days in December
Ruppen, Switzerland

  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in December
Ruppen, Switzerland

  • Average snowfall in December: 261mm

The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Ruppen, Switzerland

  • Average snowfall days in December: 11.2 days

The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Ruppen, Switzerland

  • Average daylight in December: 8h and 30min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 5h and 6min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Ruppen, Switzerland

  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).

Average UV index in December
Ruppen, Switzerland

  • 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, November and December (UV index 2).

Average cloud cover in December
Ruppen, Switzerland

  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Ruppen, Switzerland

  • Average visibility in December: 8km

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