December weather forecast
Sankt Martin im Sulmtal, Austria

December

Weather in December

The first month of the winter, December, is also an icy month in Sankt Martin im Sulmtal, Austria, with an average temperature varying between 4.2°C (39.6°F) and -1.7°C (28.9°F).

Temperature

Sankt Martin im Sulmtal's weather subtly changes with the onset of December, barely falling from a frosty 9.1°C (48.4°F) in November to a cold 4.2°C (39.6°F). Sankt Martin im Sulmtal's average low-temperature is measured at a subzero cold -1.7°C (28.9°F) during December.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Sankt Martin im Sulmtal, Austria, during December, the rain falls for 9 days and regularly aggregates up to 22mm (0.87") of precipitation. In Sankt Martin im Sulmtal, during the entire year, the rain falls for 160.7 days and collects up to 559mm (22.01") of precipitation.

Snowfall

January through April, October through December are months with snowfall in Sankt Martin im Sulmtal. In Sankt Martin im Sulmtal, Austria, in December, snow falls for 5.5 days, with typically accumulated 52mm (2.05") of snow. In Sankt Martin im Sulmtal, Austria, during the entire year, snow falls for 30.1 days and aggregates up to 285mm (11.22") of snow.

Daylight

The month with the shortest days in Sankt Martin im Sulmtal is December, with an average of 8h and 36min of daylight.
On the first day of December in Sankt Martin im Sulmtal, sunrise is at 07:23 and sunset at 16:12. On the last day of the month, sunrise is at 07:43 and sunset at 16:20 CET.

Sunshine

The average sunshine in December in Sankt Martin im Sulmtal, Austria, is 5.9h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Sankt Martin im Sulmtal. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

How cold does it get in Sankt Martin im Sulmtal in December?
The average high-temperature, in December, in Sankt Martin im Sulmtal, is 4.2°C (39.6°F), while the average low-temperature is -1.7°C (28.9°F).
What is the average humidity in December in Sankt Martin im Sulmtal?
The average relative humidity in December in Sankt Martin im Sulmtal, Austria, is 81%.
How much does it rain in Sankt Martin im Sulmtal in December?
In Sankt Martin im Sulmtal, in December, it is raining for 9 days, with typically 22mm (0.87") of accumulated precipitation.
How much does it snow in Sankt Martin im Sulmtal in December?
In Sankt Martin im Sulmtal, Austria, in December, snow falls for 5.5 days, with typically accumulated 52mm (2.05") of snow.
What is the month with the shortest days in Sankt Martin im Sulmtal?
December has the shortest days of the year in Sankt Martin im Sulmtal, Austria, with an average of 8h and 36min of daylight.
What is the average length of the day in December in Sankt Martin im Sulmtal?
The average day length in December is 8h and 37min.
What time are sunrise and sunset in December in Sankt Martin im Sulmtal?
On the first day of December in Sankt Martin im Sulmtal, sunrise is at 07:23 and sunset at 16:12. On the last day of the month, sunrise is at 07:43 and sunset at 16:20 CET.
How long on average sun shines in December in Sankt Martin im Sulmtal?
In Sankt Martin im Sulmtal, Austria, the average sunshine duration in December is 5.9h.
When is the lowest UV index in Sankt Martin im Sulmtal?
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
How high is the UV index in December in Sankt Martin im Sulmtal?
The average daily maximum UV index in December in Sankt Martin im Sulmtal, Austria, is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Sankt Martin im Sulmtal, Austria
  • Average high temperature in December: 4.2°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in December: -1.7°C

The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

Average pressure in December
Sankt Martin im Sulmtal, 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 May (1015.2mbar).

Average wind speed in December
Sankt Martin im Sulmtal, Austria
  • Average wind speed in December: 5.5km/h

The windiest months (with the highest average wind speed) are April and May (7.1km/h).
The calmest month (with the lowest average wind speed) is November (5.3km/h).

Average humidity in December
Sankt Martin im Sulmtal, Austria
  • Average humidity in December: 81%

The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is April (70%).

Average rainfall in December
Sankt Martin im Sulmtal, Austria
  • Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is July (85mm).
The driest month (with the least rainfall) is January (18mm).

Average rainfall days in December
Sankt Martin im Sulmtal, Austria
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Sankt Martin im Sulmtal, Austria
  • Average snowfall in December: 52mm

The month with the highest snowfall is February (89mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Sankt Martin im Sulmtal, Austria
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (9.8 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
Sankt Martin im Sulmtal, Austria
  • Average daylight in December: 8h and 4min

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 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Sankt Martin im Sulmtal, Austria
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (6.7 days).

Average UV index in December
Sankt Martin im Sulmtal, 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, February, October, November and December (UV index 2).

Average cloud cover in December
Sankt Martin im Sulmtal, Austria
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Sankt Martin im Sulmtal, Austria
  • Average visibility in December: 9km

The months with the highest visibility are March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, February, September, October and November (8km).

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