December weather forecast
Erschwil, Switzerland

December

Weather in December

December, the first month of the winter in Erschwil, is still a cold month, with temperature in the range of an average low of -1.7°C (28.9°F) and an average high of 4.2°C (39.6°F).

Temperature

Erschwil experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a chilly 8.3°C (46.9°F) in November to a wintry 4.2°C (39.6°F). During December, Erschwil experiences an average low-temperature of -1.7°C (28.9°F) at night.

Humidity

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

Rainfall

In Erschwil, during December, the rain falls for 15.2 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, there are 190.8 rainfall days, and 880mm (34.65") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Erschwil, during December, snow falls for 7.9 days and regularly aggregates up to 143mm (5.63") of snow. Throughout the year, there are 39.9 snowfall days, and 652mm (25.67") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 07:56 and sunset at 16:41. On the last day of December, sunrise is at 08:16 and sunset at 16:49 CET.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

The months with the lowest UV index in Erschwil are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

Is it cold during December?
The average high-temperature and low-temperature during December are 4.2°C (39.6°F) and -1.7°C (28.9°F) respectively.
What is the average humidity in December?
In December, the average relative humidity is 86%.
How much does it rain in December?
In December, the rain falls for 15.2 days. Throughout December, 81mm (3.19") of precipitation is accumulated.
How many days does it snow in December?
In Erschwil, during December, snow falls for 7.9 days and regularly aggregates up to 143mm (5.63") of snow.
What is the month with the shortest days?
With an average of 8h and 30min of daylight, December has the shortest days of the year.
What is the average length of the day in December?
The average day length in December is 8h and 32min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 07:56 and sunset at 16:41. On the last day of the month, sunrise is at 08:16 and sunset at 16:49 CET.
What is the month with the least sunshine in Erschwil?
With an average of 5h of sunshine, December has the least sunshine of the year.
How long on average sun shines in December?
The average sunshine duration in December is 5h.
What are the months with the lowest UV index?
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index reading in December?
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Erschwil, Switzerland
  • Average high temperature in December: 4.2°C

The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in December: -1.7°C

The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in December
Erschwil, Switzerland
  • Average pressure in December: 1020.9mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in December
Erschwil, Switzerland
  • Average wind speed in December: 8.5km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

Average humidity in December
Erschwil, Switzerland
  • Average humidity in December: 86%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in December
Erschwil, Switzerland
  • Average rainfall in December: 81mm

The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).

Average rainfall days in December
Erschwil, Switzerland
  • Average rainfall days in December: 15.2 days

The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in December
Erschwil, Switzerland
  • Average snowfall in December: 143mm

The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Erschwil, Switzerland
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Erschwil, Switzerland
  • Average daylight in December: 8h and 3min

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 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Erschwil, Switzerland
  • Average sunshine days in December: 12.4 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).

Average UV index in December
Erschwil, 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, October, November and December (UV index 2).

Average cloud cover in December
Erschwil, Switzerland
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Erschwil, Switzerland
  • Average visibility in December: 8km

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

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