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 brings a negligible change in high-temperatures, falling from a chilly 7.6°C (45.7°F) in November to an icy 3°C (37.4°F). In December, the average low-temperature records at a freezing cold -3.9°C (25°F) during the nights.Humidity
In December, the average relative humidity in Altach is 83%.Rainfall
In Altach, in December, during 14.3 rainfall days, 100mm (3.94") of precipitation is typically accumulated. Throughout the year, there are 181.9 rainfall days, and 949mm (37.36") of precipitation is accumulated.Snowfall
Months with snowfall in Altach are January through May, October through December. In Altach, in December, during 7.7 snowfall days, 138mm (5.43") of snow is typically accumulated. Throughout the year, there are 37 snowfall days, and 721mm (28.39") 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 07:48 and sunset at 16:33. On the last day of December, in Altach, sunrise is at 08:08 and sunset at 16:40 CET.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Altach.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is it in Altach in December?
What is the average humidity in December in Altach?
How much does it rain in Altach in December?
How much does it snow in Altach in December?
What is the month with the shortest days in Altach?
What is the average length of the day in December in Altach?
When are sunrise and sunset in December in Altach?
What is the month with the least sunshine in Altach?
How long on average sun shines in December in Altach?
When is the lowest UV index in Altach?
What is the UV index intensity in December in Altach?
Average temperature in December
Altach, Austria
- Average high temperature in December: 3°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in December: -3.9°C
The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is February (-6°C).
Average pressure in December
Altach, Austria
- 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
Altach, Austria
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is December (7.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.4km/h).
Average humidity in December
Altach, Austria
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in December
Altach, Austria
- Average rainfall in December: 100mm
The wettest month (with the highest rainfall) is August (116mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in December
Altach, Austria
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in December
Altach, Austria
- Average snowfall in December: 138mm
The month with the highest snowfall is January (214mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Altach, Austria
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (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
Altach, Austria
- 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Altach, Austria
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Altach, Austria
- 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, March, November and December (UV index 2).
Average cloud cover in December
Altach, Austria
- Average cloud cover in December: 43
The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Altach, Austria
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August and November (9km).
The month with the lowest visibility is January (7km).
Altach, Austria
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