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 chilly 8.6°C (47.5°F) in November to a wintry 4.1°C (39.4°F). In Rorschach, an average temperature of -1.4°C (29.5°F) is noted during December nights.Humidity
The average relative humidity in December is 82%.Rainfall
In Rorschach, in December, during 11.7 rainfall days, 97mm (3.82") of precipitation is typically accumulated. In Rorschach, during the entire year, the rain falls for 177.8 days and collects up to 1006mm (39.61") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Rorschach, during December, snow falls for 11.2 days and regularly aggregates up to 261mm (10.28") of snow. Throughout the year, in Rorschach, Switzerland, there are 55.7 snowfall days, and 1345mm (52.95") of snow is accumulated.Daylight
The month with the shortest days in Rorschach is December, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 07:49 and sunset at 16:33. On the last day of the month, sunrise is at 08:09 and sunset at 16:40 CET.
Sunshine
February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Rorschach.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rorschach, Switzerland. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold is it in Rorschach in December?
What is the average humidity in December in Rorschach?
How much does it rain in Rorschach in December?
How much does it snow in Rorschach in December?
What is the month with the shortest days in Rorschach?
How many hours of daylight does Rorschach have in December?
What time are sunrise and sunset in December in Rorschach?
What are the months with the least sunshine in Rorschach?
How long on average sun shines in December in Rorschach?
What are the months with the lowest UV index in Rorschach?
What is the UV index intensity in December in Rorschach?
Average temperature in December
Rorschach, Switzerland
- Average high temperature in December: 4.1°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: -1.4°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in December
Rorschach, 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 (1015.7mbar).
Average wind speed in December
Rorschach, Switzerland
- Average wind speed in December: 8.6km/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 (6.7km/h).
Average humidity in December
Rorschach, Switzerland
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Rorschach, Switzerland
- Average rainfall in December: 97mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in December
Rorschach, Switzerland
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in December
Rorschach, Switzerland
- Average snowfall in December: 261mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rorschach, Switzerland
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Rorschach, 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: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Rorschach, Switzerland
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in December
Rorschach, 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
Rorschach, Switzerland
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Rorschach, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
Rorschach, Switzerland
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