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's onset introduces a mild reduction in the average high-temperature, from a frosty 8.3°C (46.9°F) in November to an icy 4.2°C (39.6°F). Throughout December, Bretzwil registers a consistent average low-temperature of -1.7°C (28.9°F).Humidity
The average relative humidity in December is 86%.Rainfall
In December, in Bretzwil, the rain falls for 15.2 days. Throughout December, 81mm (3.19") of precipitation is accumulated. Throughout the year, in Bretzwil, there are 190.8 rainfall days, and 880mm (34.65") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Bretzwil, Switzerland. In Bretzwil, in December, snow falls for 7.9 days, with typically accumulated 143mm (5.63") of snow. Throughout the year, there are 39.9 snowfall days, and 652mm (25.67") of snow is accumulated.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:56 and sunset at 16:40. On the last day of December, in Bretzwil, sunrise is at 08:16 and sunset at 16:48 CET.
Sunshine
The month with the least sunshine in Bretzwil, Switzerland, is December, with an average of 5h of sunshine.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Bretzwil in December?
What is the average humidity in December in Bretzwil?
How many days does it rain in December in Bretzwil?
How many days does it snow in December in Bretzwil?
What is the month with the shortest days in Bretzwil?
How many hours of daylight does Bretzwil have in December?
When is the sunrise / sunset in December in Bretzwil?
What is the month with the least sunshine in Bretzwil?
How long on average sun shines in December in Bretzwil?
When is the lowest UV index in Bretzwil?
What is the UV index intensity in December in Bretzwil?
Average temperature in December
Bretzwil, Switzerland
- Average high temperature in December: 4.2°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: -1.7°C
The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in December
Bretzwil, 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 (1015.6mbar).
Average wind speed in December
Bretzwil, Switzerland
- Average wind speed in December: 8.5km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Bretzwil, Switzerland
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Bretzwil, Switzerland
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in December
Bretzwil, Switzerland
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in December
Bretzwil, Switzerland
- Average snowfall in December: 143mm
The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bretzwil, Switzerland
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bretzwil, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Bretzwil, Switzerland
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in December
Bretzwil, 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, October, November and December (UV index 2).
Average cloud cover in December
Bretzwil, Switzerland
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Bretzwil, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
Bretzwil, Switzerland
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