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 onset of December entails a temperature shift, as the average high-temperature decreases from a wintry 5°C (41°F) in November to a freezing cold -0.6°C (30.9°F). Flachau, during December nights, observes an average temperature of -7.5°C (18.5°F).Humidity
The average relative humidity in December in Flachau is 87%.Rainfall
In Flachau, in December, it is raining for 8.5 days, with typically 107mm (4.21") of accumulated precipitation. Throughout the year, there are 187.9 rainfall days, and 1242mm (48.9") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Flachau, in December, snow falls for 15.1 days, with typically accumulated 582mm (22.91") of snow. In Flachau, during the entire year, snow falls for 81.1 days and aggregates up to 2750mm (108.27") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 07:33 and sunset at 16:18. On the last day of December, sunrise is at 07:53 and sunset at 16:25 CET.
Sunshine
In December, the average sunshine is 4.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Flachau?
What is the month with the shortest days in Flachau?
How many hours of daylight does Flachau have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Flachau have in December?
How high is the UV index in December?
Average temperature in December
Flachau, Austria
- Average high temperature in December: -0.6°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in December: -7.5°C
The month with the highest average low temperature is July (7°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in December
Flachau, Austria
- 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 May (1015.6mbar).
Average wind speed in December
Flachau, Austria
- Average wind speed in December: 7.5km/h
The windiest month (with the highest average wind speed) is February (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).
Average humidity in December
Flachau, Austria
- Average humidity in December: 87%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (80%).
Average rainfall in December
Flachau, Austria
- Average rainfall in December: 107mm
The wettest month (with the highest rainfall) is May (142mm).
The driest month (with the least rainfall) is April (64mm).
Average rainfall days in December
Flachau, Austria
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (24.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Flachau, Austria
- Average snowfall in December: 582mm
The month with the highest snowfall is January (755mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Flachau, Austria
- Average snowfall days in December: 15.1 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Flachau, 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: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Flachau, Austria
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is May (3.9 days).
Average UV index in December
Flachau, Austria
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Flachau, Austria
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Flachau, Austria
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, October, November and December (7km).
The months with the lowest visibility are January, February and March (5km).
