December weather forecastRachau, Austria

December

Weather in December

The first month of the winter, December, is still a cold month in Rachau, Austria, with an average temperature ranging between max 0.9°C (33.6°F) and min -5.1°C (22.8°F).

Temperature

Rachau's average high-temperature decreases in December, falling from a frosty 6.1°C (43°F) in November to a cold 0.9°C (33.6°F). Rachau experiences an average low-temperature of -5.1°C (22.8°F) in the month of December.

Humidity

In Rachau, the average relative humidity in December is 86%.

Rainfall

January and December are months with the least rain when the rain falls for 10.5 days and typically aggregates up to 30mm (1.18") of rain.

Snowfall

January through May, October through December are months with snowfall. In Rachau, in December, during 10.6 snowfall days, 121mm (4.76") of snow is typically accumulated. Throughout the year, there are 56.3 snowfall days, and 687mm (27.05") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 07:26 and sunset at 16:12. On the last day of December, sunrise is at 07:46 and sunset at 16:20 CET.

Sunshine

The average sunshine in December in Rachau is 5.3h.

UV index

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

The high-temperature, in December, in Rachau, is 0.9°C (33.6°F), while the low-temperature averages to -5.1°C (22.8°F).

In December, the average relative humidity is 86%.

January and December are months with the least rain in Rachau, Austria, when the rain falls for 10.5 days and typically aggregates up to 30mm (1.18") of rain.

In Rachau, in December, it is raining for 10.5 days, with typically 30mm (1.18") of accumulated precipitation.

In Rachau, in December, during 10.6 snowfall days, 121mm (4.76") of snow is typically accumulated.

With an average of 8h and 36min of daylight, December has the shortest days of the year in Rachau.

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

In December, on the first day of the month, sunrise is at 07:26 and sunset at 16:12. On the last day of the month, sunrise is at 07:46 and sunset at 16:20 CET.

In December, the average sunshine duration is 5.3h.

The average daily maximum UV index in December in Rachau, Austria, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Rachau, Austria

  • Average high temperature in December: 0.9°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in December: -5.1°C

The month with the highest average low temperature is August (9.2°C).
The coldest months (with the lowest average low temperature) are January and February (-6.8°C).

Average pressure in December
Rachau, Austria

  • Average pressure in December: 1020.5mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is May (1015.4mbar).

Average wind speed in December
Rachau, Austria

  • Average wind speed in December: 6.8km/h

The windiest months (with the highest average wind speed) are February and March (7km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).

Average humidity in December
Rachau, Austria

  • Average humidity in December: 86%

The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are April, June, July and August (80%).

Average rainfall in December
Rachau, Austria

  • Average rainfall in December: 30mm

The wettest months (with the highest rainfall) are June and July (110mm).
The driest months (with the least rainfall) are January and December (30mm).

Average rainfall days in December
Rachau, Austria

  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in December
Rachau, Austria

  • Average snowfall in December: 121mm

The month with the highest snowfall is February (180mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Rachau, Austria

  • Average snowfall days in December: 10.6 days

The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rachau, 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 18min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Rachau, Austria

  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is July (5.7 days).

Average UV index in December
Rachau, Austria

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in December
Rachau, Austria

  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December
Rachau, Austria

  • Average visibility in December: 7km

The months with the highest visibility are April, June and July (8km).
The month with the lowest visibility is February (5km).