December weather forecastHartl, Austria

December

Weather in December

December, the first month of the winter in Hartl, is still a cold month, with an average temperature ranging between min -0.9°C (30.4°F) and max 4.3°C (39.7°F).

Temperature

December comes with a drop in the average high-temperature, falling from November's chilly 9.5°C (49.1°F) to an icy 4.3°C (39.7°F). Hartl, during December, witnesses an average low-temperature of -0.9°C (30.4°F).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Hartl, in December, during 9.6 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Hartl, during the entire year, the rain falls for 142.1 days and collects up to 490mm (19.29") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Hartl, in December, snow falls for 5 days, with typically accumulated 54mm (2.13") of snow. Throughout the year, there are 27.2 snowfall days, and 297mm (11.69") of snow is accumulated.

Daylight

The month with the shortest days in Hartl is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 07:22 and sunset at 16:08. On the last day of December, sunrise is at 07:42 and sunset at 16:16 CET.

Sunshine

In Hartl, the average sunshine in December is 5.4h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hartl. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 during December leads to these advisories:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

In December, the average high-temperature and low-temperature in Hartl are 4.3°C (39.7°F) and -0.9°C (30.4°F) respectively.

The average relative humidity in December is 82%.

In Hartl, Austria, in December, it is raining for 9.6 days, with typically 33mm (1.3") of accumulated precipitation.

In December, in Hartl, Austria, it is snowing for 5 days. Throughout December, 54mm (2.13") of snow is accumulated.

The month with the shortest days in Hartl is December, with an average of 8h and 36min of daylight.

In December, the average day length in Hartl, Austria, is 8h and 34min.

In December, on the first day of the month, sunrise is at 07:22 and sunset at 16:08. On the last day of the month, in Hartl, Austria, sunrise is at 07:42 and sunset at 16:16 CET.

The average sunshine duration in December in Hartl, Austria, is 5.4h.

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In December, the average daily maximum UV index in Hartl, Austria, is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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
Hartl, 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
Hartl, 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
Hartl, 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
Hartl, 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
Hartl, 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
Hartl, 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
Hartl, 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
Hartl, 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
Hartl, Austria

  • Average daylight in December: 8h and 36min

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 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
Hartl, 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
Hartl, 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
Hartl, 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
Hartl, 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).