December weather forecastRiedbach, Switzerland
December
Weather in December
The first month of the winter, December, is still a cold month in Riedbach, Switzerland, with an average temperature ranging between min -2.5°C (27.5°F) and max 4.3°C (39.7°F).Temperature
Riedbach's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's chilly 8.2°C (46.8°F) to a cold 4.3°C (39.7°F). Throughout December, the nighttime temperature averages to a subzero cold -2.5°C (27.5°F).Humidity
The average relative humidity in December in Riedbach is 83%.Rainfall
In Riedbach, in December, during 10.1 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Riedbach, Switzerland, during the entire year, the rain falls for 149.7 days and collects up to 438mm (17.24") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Riedbach, in December, during 6.7 snowfall days, 80mm (3.15") of snow is typically accumulated. In Riedbach, during the entire year, snow falls for 38 days and aggregates up to 413mm (16.26") of snow.Daylight
The month with the shortest days in Riedbach is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:55 and sunset at 16:43. On the last day of December, sunrise is at 08:16 and sunset at 16:51 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 5.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riedbach, Switzerland
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in December
Riedbach, 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 (1015.5mbar).
Average wind speed in December
Riedbach, Switzerland
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Riedbach, Switzerland
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Riedbach, Switzerland
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in December
Riedbach, Switzerland
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in December
Riedbach, Switzerland
- Average snowfall in December: 80mm
The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Riedbach, Switzerland
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riedbach, Switzerland
- Average daylight in December: 8h and 36min
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: 5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Riedbach, Switzerland
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in December
Riedbach, 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, November and December (UV index 2).
Average cloud cover in December
Riedbach, Switzerland
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Riedbach, Switzerland
- Average visibility in December: 9km
The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).





