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
December
Weather in December
Temperature
Unterbäch's weather subtly changes with the onset of December, barely falling from a cold 2.2°C (36°F) in November to a subzero cold -1.4°C (29.5°F). Unterbäch experiences a consistent average temperature of -10.2°C (13.6°F) throughout the nights in December.Humidity
In Unterbäch, the average relative humidity in December is 85%.Rainfall
In Unterbäch, Switzerland, in December, during 6.8 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Unterbäch, during the entire year, the rain falls for 172.2 days and collects up to 522mm (20.55") of precipitation.Snowfall
January through June, August through December are months with snowfall. In Unterbäch, during December, snow falls for 16.4 days and regularly aggregates up to 178mm (7.01") of snow. Throughout the year, there are 111 snowfall days, and 1205mm (47.44") of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:51 and sunset at 16:44. On the last day of December, sunrise is at 08:11 and sunset at 16:52 CET.
Sunshine
The average sunshine in December is 4.7h.UV index
In Unterbäch, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. 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. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Unterbäch have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Unterbäch have in December?
How high is the UV index in December?
Average temperature in December
Unterbäch, Switzerland
- Average high temperature in December: -1.4°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -10.2°C
The months with the highest average low temperature are July and August (5.8°C).
The coldest month (with the lowest average low temperature) is February (-11.9°C).
Average pressure in December
Unterbäch, 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 (1015.3mbar).
Average wind speed in December
Unterbäch, Switzerland
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in December
Unterbäch, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is August (80%).
Average rainfall in December
Unterbäch, Switzerland
- Average rainfall in December: 39mm
The wettest months (with the highest rainfall) are June and August (67mm).
The driest month (with the least rainfall) is January (23mm).
Average rainfall days in December
Unterbäch, Switzerland
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in December
Unterbäch, Switzerland
- Average snowfall in December: 178mm
The month with the highest snowfall is March (199mm).
The month with the least snowfall is July (0mm).
Average snowfall days in December
Unterbäch, Switzerland
- Average snowfall days in December: 16.4 days
The months with the highest number of snowfall days are January and March (18.1 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in December /
Average sunshine in December
Unterbäch, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Unterbäch, Switzerland
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in December
Unterbäch, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April and November (UV index 1).
Average cloud cover in December
Unterbäch, Switzerland
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 57).
The month with the least cloud cover is October (Cloud cover 40).
Average visibility in December
Unterbäch, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
