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 arrival of December corresponds with a light shift in temperature, down from a chilly 9.1°C (48.4°F) in November to a wintry 5.4°C (41.7°F). Astano experiences an average nighttime temperature of -1.6°C (29.1°F) in the month of December.Humidity
The average relative humidity in December is 73%.Rainfall
In Astano, during December, the rain falls for 4.1 days and regularly aggregates up to 17mm (0.67") of precipitation. In Astano, during the entire year, the rain falls for 102.6 days and collects up to 414mm (16.3") of precipitation.Snowfall
January through March, November and December are months with snowfall in Astano. In Astano, in December, during 0.7 snowfall days, 3mm (0.12") of snow is typically accumulated. Throughout the year, in Astano, Switzerland, there are 4 snowfall days, and 23mm (0.91") of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:46 and sunset at 16:41. On the last day of December, in Astano, sunrise is at 08:06 and sunset at 16:49 CET.
Sunshine
The average sunshine in December is 6.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Astano. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is it in Astano in December?
What is the average humidity in December in Astano?
How much does it rain in Astano in December?
How many days does it snow in December in Astano?
What is the month with the shortest days in Astano?
What is the average length of the day in December in Astano?
What time are sunrise and sunset in December in Astano?
How many hours of sunshine does Astano have in December?
When is the lowest UV index in Astano?
How high is the UV index in December in Astano?
Average temperature in December
Astano, Switzerland
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in December: -1.6°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Astano, Switzerland
- Average pressure in December: 1020.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Astano, Switzerland
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is July (7.7km/h).
The calmest month (with the lowest average wind speed) is November (6.1km/h).
Average humidity in December
Astano, Switzerland
- Average humidity in December: 73%
The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are January and July (72%).
Average rainfall in December
Astano, Switzerland
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in December
Astano, Switzerland
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is December (4.1 days).
Average snowfall in December
Astano, Switzerland
- Average snowfall in December: 3mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Astano, Switzerland
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Astano, 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: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in December
Astano, Switzerland
- Average sunshine days in December: 25.8 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (16.9 days).
Average UV index in December
Astano, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Astano, Switzerland
- Average cloud cover in December: 30
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in December
Astano, Switzerland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).
The month with the lowest visibility is October (8km).
Astano, Switzerland
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