December weather forecastHeiligenbrunn, Austria
December
Weather in December
December, the first month of the winter in Heiligenbrunn, is also a wintry month, with an average temperature ranging between min -0.9°C (30.4°F) and max 4.3°C (39.7°F).Temperature
Observing a mild shift, the average high-temperature during December reduces from November's frosty 9.5°C (49.1°F) to a wintry 4.3°C (39.7°F). In the month of December, the average temperature in Heiligenbrunn dips to a subzero cold -0.9°C (30.4°F) during the night.Humidity
In December, the average relative humidity is 82%.Rainfall
In Heiligenbrunn, in December, it is raining for 9.6 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Heiligenbrunn, there are 141.9 rainfall days, and 483mm (19.02") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Heiligenbrunn, in December, snow falls for 5 days, with typically accumulated 54mm (2.13") of snow. Throughout the year, in Heiligenbrunn, there are 27.2 snowfall days, and 297mm (11.69") of snow is accumulated.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year in Heiligenbrunn, Austria.On the first day of the month, sunrise is at 07:19 and sunset at 16:07. On the last day of December, in Heiligenbrunn, sunrise is at 07:40 and sunset at 16:14 CET.
Sunshine
In Heiligenbrunn, Austria, the average sunshine in December is 5.4h.UV index
The months with the lowest UV index in Heiligenbrunn, Austria, are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heiligenbrunn, Austria
- Average high temperature in December: 4.3°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 (2.6°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Heiligenbrunn, Austria
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is June (1015mbar).
Average wind speed in December
Heiligenbrunn, Austria
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is March (11.1km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in December
Heiligenbrunn, Austria
- Average humidity in December: 82%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Heiligenbrunn, Austria
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is May (66mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in December
Heiligenbrunn, Austria
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Heiligenbrunn, Austria
- Average snowfall in December: 54mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Heiligenbrunn, Austria
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (9.2 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
Heiligenbrunn, Austria
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Heiligenbrunn, Austria
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Heiligenbrunn, Austria
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Heiligenbrunn, Austria
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Heiligenbrunn, Austria
- Average visibility in December: 9km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February and November (8km).
