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
December brings a slight decrease in temperature, down from a frosty 6.9°C (44.4°F) in November to an icy 2.5°C (36.5°F). Throughout the month of December, Unterterzen expects an average low of -3.8°C (25.2°F).Humidity
In December, the average relative humidity in Unterterzen is 85%.Rainfall
In Unterterzen, during December, the rain falls for 8.9 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, in Unterterzen, Switzerland, there are 129.6 rainfall days, and 714mm (28.11") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Unterterzen, during December, snow falls for 11.2 days and regularly aggregates up to 231mm (9.09") of snow. Throughout the year, there are 53.4 snowfall days, and 1344mm (52.91") of snow is accumulated.Daylight
The month with the shortest days in Unterterzen is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:48 and sunset at 16:35. On the last day of December, sunrise is at 08:09 and sunset at 16:43 CET.
Sunshine
The month with the least sunshine is December, with an average of 4.8h of sunshine.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Unterterzen. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Unterterzen?
What is the average humidity in December in Unterterzen?
How much does it rain in Unterterzen in December?
How much does it snow in Unterterzen in December?
What is the month with the shortest days in Unterterzen?
How many hours of daylight does Unterterzen have in December?
What time are sunrise and sunset in December in Unterterzen?
What is the month with the least sunshine in Unterterzen?
How many hours of sunshine does Unterterzen have in December?
What are the months with the lowest UV index in Unterterzen?
What is the UV index intensity in December in Unterterzen?
Average temperature in December
Unterterzen, Switzerland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in December: -3.8°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in December
Unterterzen, 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
Unterterzen, Switzerland
- Average wind speed in December: 8km/h
The windiest month (with the highest average wind speed) is December (8km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in December
Unterterzen, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in December
Unterterzen, Switzerland
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is November (36mm).
Average rainfall days in December
Unterterzen, Switzerland
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Unterterzen, Switzerland
- Average snowfall in December: 231mm
The month with the highest snowfall is January (417mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Unterterzen, Switzerland
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Unterterzen, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Unterterzen, Switzerland
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is October (19.3 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in December
Unterterzen, 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
Unterterzen, Switzerland
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Unterterzen, Switzerland
- Average visibility in December: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January and February (7km).
