December weather forecastHernals, Austria
December
Weather in December
The first month of the winter, December, is also a wintry month in Hernals, Austria, with temperature in the range of an average high of 3.9°C (39°F) and an average low of -0.8°C (30.6°F).Temperature
December involves a decrease in temperature, down from a frosty 8.9°C (48°F) in November to an icy 3.9°C (39°F). With a barely noticeable fluctuation in temperature, Hernals reaches an average low of -0.8°C (30.6°F) during the December nights.Humidity
In Hernals, the average relative humidity in December is 82%.Rainfall
In December, in Hernals, the rain falls for 9.2 days. Throughout December, 29mm (1.14") of precipitation is accumulated. In Hernals, during the entire year, the rain falls for 134.8 days and collects up to 389mm (15.31") of precipitation.Snowfall
January through April, October through December are months with snowfall in Hernals, Austria. In Hernals, in December, during 4.5 snowfall days, 40mm (1.57") of snow is typically accumulated. In Hernals, during the entire year, snow falls for 21.8 days and aggregates up to 196mm (7.72") of snow.Daylight
The month with the shortest days in Hernals is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 07:24 and sunset at 16:03. On the last day of December, sunrise is at 07:45 and sunset at 16:10 CET.
Sunshine
In Hernals, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Hernals, Austria, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hernals, Austria
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in December: -0.8°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Hernals, Austria
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is June (1015.2mbar).
Average wind speed in December
Hernals, Austria
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Hernals, Austria
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Hernals, Austria
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is June (57mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Hernals, Austria
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Hernals, Austria
- Average snowfall in December: 40mm
The month with the highest snowfall is January (69mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Hernals, Austria
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hernals, Austria
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Hernals, Austria
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Hernals, Austria
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hernals, Austria
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Hernals, Austria
- Average visibility in December: 9km
The months with the highest visibility are April, June, July, August and September (10km).
The month with the lowest visibility is January (8km).
