December weather forecastSankt Roman, Austria
December
Weather in December
The first month of the winter, December, is also an icy month in Sankt Roman, Austria, with an average temperature fluctuating between 2.5°C (36.5°F) and -1.8°C (28.8°F).Temperature
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 7.7°C (45.9°F) in November to an icy 2.5°C (36.5°F). An average nighttime temperature of -1.8°C (28.8°F) marks December.Humidity
In Sankt Roman, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 11.2 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 151.4 rainfall days, and 511mm (20.12") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 9.2 days. Throughout December, 57mm (2.24") of snow is accumulated. Throughout the year, there are 38.2 snowfall days, and 329mm (12.95") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 07:36 and sunset at 16:12. On the last day of December, sunrise is at 07:57 and sunset at 16:20 CET.
Sunshine
With an average of 3.9h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sankt Roman, Austria
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in December
Sankt Roman, Austria
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Sankt Roman, Austria
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in December
Sankt Roman, Austria
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Sankt Roman, Austria
- Average rainfall in December: 42mm
The wettest months (with the highest rainfall) are June and July (68mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in December
Sankt Roman, Austria
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Sankt Roman, Austria
- Average snowfall in December: 57mm
The month with the highest snowfall is January (115mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sankt Roman, Austria
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sankt Roman, 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: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Sankt Roman, Austria
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (8.1 days).
Average UV index in December
Sankt Roman, Austria
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Sankt Roman, Austria
- Average cloud cover in December: 60
The months with the most cloud cover are January and December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Sankt Roman, Austria
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).





