Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a chilly 8.2°C (46.8°F) in November to an icy 4.2°C (39.6°F). December brings with it a nighttime average temperature of -1.5°C (29.3°F).Humidity
In December, the average relative humidity is 85%.Rainfall
In Pieterlen, during December, the rain falls for 14.9 days and regularly aggregates up to 95mm (3.74") of precipitation. In Pieterlen, during the entire year, the rain falls for 195.6 days and collects up to 870mm (34.25") of precipitation.Snowfall
Months with snowfall in Pieterlen are January through May, September through December. In Pieterlen, Switzerland, during December, snow falls for 7.5 days and regularly aggregates up to 123mm (4.84") of snow. Throughout the year, in Pieterlen, there are 37.6 snowfall days, and 557mm (21.93") of snow is accumulated.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:56 and sunset at 16:42. On the last day of December, sunrise is at 08:16 and sunset at 16:50 CET.
Sunshine
The month with the least sunshine in Pieterlen is December, with an average of 4.9h 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
Is December cold in Pieterlen?
What is the average humidity in December in Pieterlen?
How much does it rain in Pieterlen in December?
How much does it snow in Pieterlen in December?
What is the month with the shortest days in Pieterlen?
How many hours of daylight does Pieterlen have in December?
When is the sunrise / sunset in December in Pieterlen?
What is the month with the least sunshine in Pieterlen?
How many hours of sunshine does Pieterlen have in December?
When is the lowest UV index in Pieterlen?
What is the UV index intensity in December in Pieterlen?
Average temperature in December
Pieterlen, Switzerland
- Average high temperature in December: 4.2°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 (2.7°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).
Average pressure in December
Pieterlen, Switzerland
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Pieterlen, Switzerland
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in December
Pieterlen, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in December
Pieterlen, Switzerland
- Average rainfall in December: 95mm
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in December
Pieterlen, Switzerland
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in December
Pieterlen, Switzerland
- Average snowfall in December: 123mm
The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Pieterlen, Switzerland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Pieterlen, Switzerland
- Average daylight in December: 8h and 4min
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 36min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Pieterlen, Switzerland
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in December
Pieterlen, 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
Pieterlen, Switzerland
- Average cloud cover in December: 49
The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Pieterlen, 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).
Pieterlen, Switzerland
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