December weather forecastSiedlanów, Poland

December

Weather in December

The first month of the winter, December, is also an icy month in Siedlanów, Poland, with an average temperature varying between -1.7°C (28.9°F) and 1.2°C (34.2°F).

Temperature

Siedlanów's transition into December involves a shift in temperature, receding from a chilly 6.5°C (43.7°F) in November to a cold 1.2°C (34.2°F). In Siedlanów, the month of December records an average minimum temperature of -1.7°C (28.9°F), a slight dip from the daily highs.

Humidity

In Siedlanów, the average relative humidity in December is 89%.

Rainfall

In Siedlanów, in December, during 10.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Siedlanów, there are 144.9 rainfall days, and 439mm (17.28") of precipitation is accumulated.

Snowfall

Months with snowfall in Siedlanów, Poland, are January through April, October through December. In Siedlanów, during December, snow falls for 13 days and regularly aggregates up to 89mm (3.5") of snow. Throughout the year, in Siedlanów, Poland, there are 61.8 snowfall days, and 481mm (18.94") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 54min of daylight.
On the first day of December, sunrise is at 07:14 and sunset at 15:22. On the last day of the month, sunrise is at 07:36 and sunset at 15:28 CET.

Sunshine

The average sunshine in December in Siedlanów is 2.8h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Siedlanów. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
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. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

The high-temperature, in December, in Siedlanów, is 1.2°C (34.2°F), while the low-temperature averages to -1.7°C (28.9°F).

The average relative humidity in December in Siedlanów, Poland, is 89%.

In Siedlanów, in December, it is raining for 10.2 days, with typically 34mm (1.34") of accumulated precipitation.

In Siedlanów, in December, snow falls for 13 days, with typically accumulated 89mm (3.5") of snow.

December has the shortest days of the year, with an average of 7h and 54min of daylight.

The average day length in December is 7h and 53min.

In December, on the first day of the month, sunrise is at 07:14 and sunset at 15:22. On the last day of the month, sunrise is at 07:36 and sunset at 15:28 CET.

In December, the average sunshine duration in Siedlanów is 2.8h.

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index in Siedlanów is 1. A UV Index estimate of 2, and below, represents 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
Siedlanów, Poland

  • Average high temperature in December: 1.2°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in December: -1.7°C

The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).

Average pressure in December
Siedlanów, Poland

  • Average pressure in December: 1016.4mbar

The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).

Average wind speed in December
Siedlanów, Poland

  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in December
Siedlanów, Poland

  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Siedlanów, Poland

  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is November (20mm).

Average rainfall days in December
Siedlanów, Poland

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Siedlanów, Poland

  • Average snowfall in December: 89mm

The month with the highest snowfall is January (164mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Siedlanów, Poland

  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 54min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 2h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).

Average sunshine days in December
Siedlanów, Poland

  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is January (7.2 days).

Average UV index in December
Siedlanów, Poland

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Siedlanów, Poland

  • Average cloud cover in December: 73

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Siedlanów, Poland

  • Average visibility in December: 8km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).