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
The advent of December brings a subtle shift in temperature, with the average high moving from a frosty 8.7°C (47.7°F) in November to a wintry 4.2°C (39.6°F). In Herdern, the December nights cool down to an average low of -1.8°C (28.8°F).Humidity
In Herdern, the average relative humidity in December is 87%.Rainfall
The month with the most rainfall in Herdern is December, when the rain falls for 13.9 days and typically aggregates up to 82mm (3.23") of precipitation.Snowfall
Months with snowfall in Herdern, Switzerland, are January through May, October through December. In Herdern, Switzerland, in December, snow falls for 8.1 days, with typically accumulated 168mm (6.61") of snow. Throughout the year, in Herdern, there are 42.6 snowfall days, and 729mm (28.7") of snow is accumulated.Daylight
December has the shortest days of the year in Herdern, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 07:52 and sunset at 16:35. On the last day of December, in Herdern, sunrise is at 08:12 and sunset at 16:42 CET.
Sunshine
The average sunshine in December is 4.6h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Herdern. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold does it get in Herdern in December?
What is the average humidity in December in Herdern?
What is the wettest month in Herdern?
How much does it rain in Herdern in December?
How much does it snow in Herdern in December?
What is the month with the shortest days in Herdern?
What is the average length of the day in December in Herdern?
When is the sunrise / sunset in December in Herdern?
How many hours of sunshine does Herdern have in December?
What are the months with the lowest UV index in Herdern?
What is the UV index intensity in December in Herdern?
Average temperature in December
Herdern, Switzerland
- Average high temperature in December: 4.2°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -1.8°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in December
Herdern, 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 (1015.7mbar).
Average wind speed in December
Herdern, Switzerland
- Average wind speed in December: 7.8km/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 (6.2km/h).
Average humidity in December
Herdern, Switzerland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Herdern, Switzerland
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is December (82mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Herdern, Switzerland
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are September and November (9.9 days).
Average snowfall in December
Herdern, Switzerland
- Average snowfall in December: 168mm
The month with the highest snowfall is January (182mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Herdern, Switzerland
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Herdern, 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: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Herdern, Switzerland
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in December
Herdern, Switzerland
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Herdern, Switzerland
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Herdern, 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).
Herdern, Switzerland
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