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
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a cold 0.6°C (33.1°F) in November to a freezing cold -2.9°C (26.8°F). December in Brontallo witnesses an average low-temperature hovering around a frigid cold -10.8°C (12.6°F).Humidity
In December, the average relative humidity is 88%.Rainfall
In December, in Brontallo, the rain falls for 7 days. Throughout December, 124mm (4.88") of precipitation is accumulated. Throughout the year, there are 200.1 rainfall days, and 1619mm (63.74") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall in Brontallo is December, when snow falls for 18.5 days and typically aggregates up to 734mm (28.9") of snow.Daylight
December has the shortest days of the year in Brontallo, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:48 and sunset at 16:40. On the last day of the month, sunrise is at 08:08 and sunset at 16:48 CET.
Sunshine
In December, the average sunshine in Brontallo is 4.1h.UV index
January through April, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Brontallo. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is December in Brontallo?
What is the average humidity in December in Brontallo?
How many days does it rain in December in Brontallo?
What is the snowiest month in Brontallo?
How much does it snow in Brontallo in December?
What is the month with the shortest days in Brontallo?
What is the average length of the day in December in Brontallo?
When are sunrise and sunset in December in Brontallo?
How many hours of sunshine does Brontallo have in December?
When is the lowest UV index in Brontallo?
What is the UV index reading in December in Brontallo?
Average temperature in December
Brontallo, Switzerland
- Average high temperature in December: -2.9°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in December: -10.8°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is February (-12.7°C).
Average pressure in December
Brontallo, 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 (1015.3mbar).
Average wind speed in December
Brontallo, Switzerland
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is December (10km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in December
Brontallo, Switzerland
- Average humidity in December: 88%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is July (82%).
Average rainfall in December
Brontallo, Switzerland
- Average rainfall in December: 124mm
The wettest month (with the highest rainfall) is August (205mm).
The driest month (with the least rainfall) is February (71mm).
Average rainfall days in December
Brontallo, Switzerland
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is July (27.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Brontallo, Switzerland
- Average snowfall in December: 734mm
The month with the highest snowfall is December (734mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Brontallo, Switzerland
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Brontallo, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in December
Brontallo, Switzerland
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in December
Brontallo, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in December
Brontallo, Switzerland
- Average cloud cover in December: 58
The months with the most cloud cover are March and April (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 50).
Average visibility in December
Brontallo, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June and July (8km).
The months with the lowest visibility are January, February, March and April (5km).
Brontallo, Switzerland
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