December weather forecastSiemkowice, Poland

December

Weather in December

The first month of the winter, December, is still a cold month in Siemkowice, Poland, with an average temperature ranging between max 2.6°C (36.7°F) and min -0.7°C (30.7°F).

Temperature

December's onset brings a slight change in high-temperatures, falling from a frosty 7.9°C (46.2°F) in November to a cold 2.6°C (36.7°F). December nights in Siemkowice document an average temperature reading of -0.7°C (30.7°F).

Humidity

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

Rainfall

In Siemkowice, in December, during 6.9 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, in Siemkowice, there are 121.3 rainfall days, and 317mm (12.48") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Siemkowice, Poland, during December, snow falls for 5.5 days and regularly aggregates up to 30mm (1.18") of snow. Throughout the year, there are 35.6 snowfall days, and 255mm (10.04") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 0min of daylight.
On the first day of December in Siemkowice, Poland, sunrise is at 07:26 and sunset at 15:40. On the last day of the month, sunrise is at 07:48 and sunset at 15:46 CET.

Sunshine

In Siemkowice, the average sunshine in December is 3.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Siemkowice. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

In Siemkowice, in December, the average high-temperature is 2.6°C (36.7°F), and the average low-temperature is -0.7°C (30.7°F).

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

In Siemkowice, Poland, during December, the rain falls for 6.9 days and regularly aggregates up to 17mm (0.67") of precipitation.

In Siemkowice, in December, snow falls for 5.5 days, with typically accumulated 30mm (1.18") of snow.

December has the shortest days of the year, with an average of 8h and 0min of daylight.

The average day length in December in Siemkowice, Poland, is 7h and 59min.

In December, on the first day of the month, sunrise is at 07:26 and sunset at 15:40. On the last day of the month, in Siemkowice, Poland, sunrise is at 07:48 and sunset at 15:46 CET.

In Siemkowice, the average sunshine duration in December is 3.5h.

The months with the lowest UV index in Siemkowice are January through March, November and December, with an average maximum UV index of 2.

The average daily maximum UV index in December in Siemkowice, Poland, is 2. A UV Index of 2, and less, symbolizes 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
Siemkowice, Poland

  • Average high temperature in December: 2.6°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in December: -0.7°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in December
Siemkowice, Poland

  • Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).

Average wind speed in December
Siemkowice, Poland

  • Average wind speed in December: 14.9km/h

The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).

Average humidity in December
Siemkowice, Poland

  • Average humidity in December: 86%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Siemkowice, Poland

  • Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).

Average rainfall days in December
Siemkowice, Poland

  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Siemkowice, Poland

  • Average snowfall in December: 30mm

The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Siemkowice, Poland

  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Siemkowice, Poland

  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 3h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in December
Siemkowice, Poland

  • Average sunshine days in December: 19 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in December
Siemkowice, Poland

  • 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, March, November and December (UV index 2).

Average cloud cover in December
Siemkowice, Poland

  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Siemkowice, Poland

  • Average visibility in December: 8km

The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (7km).