December weather forecastSaint Peter, Switzerland
December
Weather in December
December, the first month of the winter in Saint Peter, is still a freezing cold month, with an average temperature fluctuating between -9.5°C (14.9°F) and -1.6°C (29.1°F).Temperature
The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a cold 2.5°C (36.5°F) in November to a freezing cold -1.6°C (29.1°F). Saint Peter's average low-temperature for the month of December records at -9.5°C (14.9°F).Humidity
In December, the average relative humidity in Saint Peter is 86%.Rainfall
In Saint Peter, during December, the rain falls for 5.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Saint Peter, during the entire year, the rain falls for 114.4 days and collects up to 366mm (14.41") of precipitation.Snowfall
Months with snowfall in Saint Peter are January through December. In December, it is snowing for 13.6 days. Throughout December, 145mm (5.71") of snow is accumulated. In Saint Peter, during the entire year, snow falls for 98.4 days and aggregates up to 1130mm (44.49") of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of December in Saint Peter, Switzerland, sunrise is at 07:46 and sunset at 16:34. On the last day of the month, sunrise is at 08:06 and sunset at 16:42 CET.
Sunshine
In Saint Peter, the average sunshine in December is 5.3h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Peter, Switzerland
- Average high temperature in December: -1.6°C
The warmest months (with the highest average high temperature) are July and August (17.2°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -9.5°C
The month with the highest average low temperature is August (6.3°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure in December
Saint Peter, Switzerland
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Saint Peter, Switzerland
- Average wind speed in December: 8km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in December
Saint Peter, Switzerland
- Average humidity in December: 86%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is July (79%).
Average rainfall in December
Saint Peter, Switzerland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is August (51mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in December
Saint Peter, Switzerland
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (4.4 days).
Average snowfall in December
Saint Peter, Switzerland
- Average snowfall in December: 145mm
The month with the highest snowfall is November (171mm).
The month with the least snowfall is July (9mm).
Average snowfall days in December
Saint Peter, Switzerland
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is March (16.3 days).
The month with the least snowfall days is August (0.4 days).
Average daylight in December /
Average sunshine in December
Saint Peter, 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 July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in December
Saint Peter, Switzerland
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Saint Peter, 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
Saint Peter, Switzerland
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 52).
The months with the least cloud cover are August and October (Cloud cover 40).
Average visibility in December
Saint Peter, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are July and August (8km).
The months with the lowest visibility are January, February and March (6km).





