December weather forecastLieli, Switzerland
December
Weather in December
The first month of the winter, December, is still a cold month in Lieli, Switzerland, with an average temperature fluctuating between -2.7°C (27.1°F) and 3.4°C (38.1°F).Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a chilly 7.8°C (46°F) in November to a cold 3.4°C (38.1°F). Nighttime temperature in Lieli experiences an average drop to a freezing cold -2.7°C (27.1°F) in December.Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 13.9 days. Throughout December, 89mm (3.5") of precipitation is accumulated. In Lieli, during the entire year, the rain falls for 186.8 days and collects up to 981mm (38.62") of precipitation.Snowfall
January through May, October through December are months with snowfall in Lieli, Switzerland. In Lieli, in December, snow falls for 6.5 days, with typically accumulated 148mm (5.83") of snow. Throughout the year, in Lieli, there are 35.5 snowfall days, and 692mm (27.24") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December in Lieli, sunrise is at 07:53 and sunset at 16:38. On the last day of the month, sunrise is at 08:13 and sunset at 16:46 CET.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index 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 vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lieli, Switzerland
- Average high temperature in December: 3.4°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (-4.9°C).
Average pressure in December
Lieli, 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
Lieli, Switzerland
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Lieli, Switzerland
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Lieli, Switzerland
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is September (52mm).
Average rainfall days in December
Lieli, Switzerland
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is October (11.2 days).
Average snowfall in December
Lieli, Switzerland
- Average snowfall in December: 148mm
The month with the highest snowfall is February (169mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lieli, Switzerland
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lieli, Switzerland
- Average daylight in December: 8h and 36min
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: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Lieli, Switzerland
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in December
Lieli, 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, March, November and December (UV index 2).
Average cloud cover in December
Lieli, Switzerland
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Lieli, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).





