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
December brings a slight decrease in temperature, down from a cold 4.3°C (39.7°F) in November to a still wintry 0.5°C (32.9°F). An average low-temperature of -5.9°C (21.4°F) is common during the nights of December.Humidity
The average relative humidity in December in Gersau is 85%.Rainfall
In Gersau, in December, during 14.4 rainfall days, 119mm (4.69") of precipitation is typically accumulated. In Gersau, during the entire year, the rain falls for 216.7 days and collects up to 1294mm (50.94") of precipitation.Snowfall
Months with snowfall in Gersau, Switzerland, are January through May, October through December. In December, in Gersau, it is snowing for 7 days. Throughout December, 163mm (6.42") of snow is accumulated. Throughout the year, in Gersau, there are 41 snowfall days, and 854mm (33.62") of snow is accumulated.Daylight
The month with the shortest days in Gersau is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:51 and sunset at 16:38. On the last day of December, in Gersau, sunrise is at 08:11 and sunset at 16:46 CET.
Sunshine
The month with the least sunshine in Gersau is December, with an average of 5h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is December in Gersau?
What is the average humidity in December in Gersau?
How many days does it rain in December in Gersau?
How much does it snow in Gersau in December?
What is the month with the shortest days in Gersau?
What is the average length of the day in December in Gersau?
When is the sunrise / sunset in December in Gersau?
What is the month with the least sunshine in Gersau?
How long on average sun shines in December in Gersau?
How high is the UV index in December in Gersau?
Average temperature in December
Gersau, Switzerland
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -5.9°C
The month with the highest average low temperature is August (8.8°C).
The coldest month (with the lowest average low temperature) is February (-8°C).
Average pressure in December
Gersau, Switzerland
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Gersau, 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 (5.7km/h).
Average humidity in December
Gersau, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in December
Gersau, Switzerland
- Average rainfall in December: 119mm
The wettest month (with the highest rainfall) is August (166mm).
The driest month (with the least rainfall) is February (70mm).
Average rainfall days in December
Gersau, Switzerland
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in December
Gersau, Switzerland
- Average snowfall in December: 163mm
The month with the highest snowfall is February (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gersau, Switzerland
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gersau, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Gersau, Switzerland
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (4.4 days).
Average UV index in December
Gersau, 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 and November (UV index 1).
Average cloud cover in December
Gersau, Switzerland
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and May (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 37).
Average visibility in December
Gersau, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March and September (7km).
Gersau, Switzerland
Weather forecast for your location
2. Allow the app to use your location
