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 signals a slight drop in average high-temperature, sliding from November's chilly 7.8°C (46°F) to a wintry 3.6°C (38.5°F). In Raperswilen, the average temperature during the nights of December drops to a freezing cold -1.9°C (28.6°F).Humidity
The average relative humidity in December is 88%.Rainfall
In December, in Raperswilen, the rain falls for 11.8 days. Throughout December, 36mm (1.42") of precipitation is accumulated. In Raperswilen, during the entire year, the rain falls for 177.1 days and collects up to 516mm (20.31") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Raperswilen, in December, during 7.6 snowfall days, 80mm (3.15") of snow is typically accumulated. Throughout the year, in Raperswilen, there are 39.6 snowfall days, and 331mm (13.03") of snow is accumulated.Daylight
December has the shortest days of the year in Raperswilen, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 07:51 and sunset at 16:34. On the last day of the month, sunrise is at 08:12 and sunset at 16:42 CET.
Sunshine
In December, the average sunshine in Raperswilen is 4.6h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Raperswilen?
What is the average humidity in December in Raperswilen?
How many days does it rain in December in Raperswilen?
How many days does it snow in December in Raperswilen?
What is the month with the shortest days in Raperswilen?
How many hours of daylight does Raperswilen have in December?
What time are sunrise and sunset in December in Raperswilen?
How long on average sun shines in December in Raperswilen?
How high is the UV index in December in Raperswilen?
Average temperature in December
Raperswilen, Switzerland
- Average high temperature in December: 3.6°C
The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in December
Raperswilen, Switzerland
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in December
Raperswilen, Switzerland
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in December
Raperswilen, Switzerland
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Raperswilen, Switzerland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in December
Raperswilen, Switzerland
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in December
Raperswilen, Switzerland
- Average snowfall in December: 80mm
The month with the highest snowfall is February (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Raperswilen, Switzerland
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Raperswilen, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Raperswilen, Switzerland
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in December
Raperswilen, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Raperswilen, Switzerland
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Raperswilen, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are March, April, May, June, July, August and September (8km).
The months with the lowest visibility are January, February, October, November and December (7km).
