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
In Lachen, the average high-temperature in December gently drops from a chilly 7.5°C (45.5°F) in November to an icy 3.2°C (37.8°F). Throughout the month of December, the nighttime temperature dips to an average of -2.7°C (27.1°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Lachen, during December, the rain falls for 9.8 days and regularly aggregates up to 56mm (2.2") of precipitation. In Lachen, during the entire year, the rain falls for 151 days and collects up to 623mm (24.53") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Lachen, it is snowing for 10.2 days. Throughout December, 160mm (6.3") of snow is accumulated. Throughout the year, in Lachen, there are 50.4 snowfall days, and 753mm (29.65") of snow is accumulated.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year in Lachen.On the first day of December in Lachen, sunrise is at 07:50 and sunset at 16:36. On the last day of the month, sunrise is at 08:11 and sunset at 16:44 CET.
Sunshine
In Lachen, Switzerland, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Lachen are November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during December translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
Is December cold in Lachen?
What is the average humidity in December in Lachen?
How much does it rain in Lachen in December?
How much does it snow in Lachen in December?
What is the month with the shortest days in Lachen?
How many hours of daylight does Lachen have in December?
When is the sunrise / sunset in December in Lachen?
How many hours of sunshine does Lachen have in December?
When is the lowest UV index in Lachen?
What is the UV index reading in December in Lachen?
Average temperature in December
Lachen, Switzerland
- Average high temperature in December: 3.2°C
The warmest months (with the highest average high temperature) are July and August (22.5°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 (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).
Average pressure in December
Lachen, 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 (1015.6mbar).
Average wind speed in December
Lachen, Switzerland
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Lachen, Switzerland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Lachen, Switzerland
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (31mm).
Average rainfall days in December
Lachen, Switzerland
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Lachen, Switzerland
- Average snowfall in December: 160mm
The month with the highest snowfall is January (202mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lachen, Switzerland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lachen, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Lachen, Switzerland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Lachen, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Lachen, Switzerland
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Lachen, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).
Lachen, Switzerland
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