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
The average high-temperature slightly decreases in December, shifting from a chilly 6.9°C (44.4°F) in November to an icy 2.5°C (36.5°F). December nights in Oberhelfenschwil, Switzerland, are marked by an average low-temperature of -3.8°C (25.2°F).Humidity
In Oberhelfenschwil, Switzerland, the average relative humidity in December is 85%.Rainfall
In December, in Oberhelfenschwil, Switzerland, the rain falls for 8.9 days. Throughout December, 82mm (3.23") of precipitation is accumulated. In Oberhelfenschwil, during the entire year, the rain falls for 129.6 days and collects up to 714mm (28.11") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.2 days. Throughout December, 231mm (9.09") of snow is accumulated. Throughout the year, there are 53.4 snowfall days, and 1344mm (52.91") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 07:50 and sunset at 16:35. On the last day of December, sunrise is at 08:10 and sunset at 16:42 CET.
Sunshine
December has the least sunshine of the year in Oberhelfenschwil, with an average of 4.8h of sunshine.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Oberhelfenschwil. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Oberhelfenschwil in December?
What is the average humidity in December in Oberhelfenschwil?
How many days does it rain in December in Oberhelfenschwil?
How many days does it snow in December in Oberhelfenschwil?
What is the month with the shortest days in Oberhelfenschwil?
How many hours of daylight does Oberhelfenschwil have in December?
When are sunrise and sunset in December in Oberhelfenschwil?
What is the month with the least sunshine in Oberhelfenschwil?
How many hours of sunshine does Oberhelfenschwil have in December?
When is the lowest UV index in Oberhelfenschwil?
How high is the UV index in December in Oberhelfenschwil?
Average temperature in December
Oberhelfenschwil, Switzerland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in December: -3.8°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in December
Oberhelfenschwil, 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 (1015.6mbar).
Average wind speed in December
Oberhelfenschwil, 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 (6.1km/h).
Average humidity in December
Oberhelfenschwil, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in December
Oberhelfenschwil, Switzerland
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is November (36mm).
Average rainfall days in December
Oberhelfenschwil, Switzerland
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Oberhelfenschwil, Switzerland
- Average snowfall in December: 231mm
The month with the highest snowfall is January (417mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Oberhelfenschwil, Switzerland
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oberhelfenschwil, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Oberhelfenschwil, Switzerland
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is October (19.3 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in December
Oberhelfenschwil, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Oberhelfenschwil, Switzerland
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Oberhelfenschwil, Switzerland
- Average visibility in December: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January and February (7km).
