December weather forecastSiekierczyn, Poland

December

Weather in December

December, the first month of the winter in Siekierczyn, is also a wintry month, with temperature in the range of an average low of -0.8°C (30.6°F) and an average high of 2.8°C (37°F).

Temperature

In the transition to December, Siekierczyn observes a drop in the average high-temperature, moving from a chilly 7.8°C (46°F) in November to a wintry 2.8°C (37°F). Siekierczyn records a mild decrease in temperature during the nights of December, averaging a freezing cold -0.8°C (30.6°F).

Humidity

The average relative humidity in December in Siekierczyn, Poland, is 86%.

Rainfall

In Siekierczyn, in December, during 14.2 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, in Siekierczyn, there are 181.7 rainfall days, and 562mm (22.13") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Siekierczyn. In Siekierczyn, in December, snow falls for 10.5 days, with typically accumulated 126mm (4.96") of snow. In Siekierczyn, during the entire year, snow falls for 49.7 days and aggregates up to 547mm (21.54") of snow.

Daylight

December has the shortest days of the year in Siekierczyn, with an average of 8h and 0min of daylight.
On the first day of December in Siekierczyn, Poland, sunrise is at 07:41 and sunset at 15:55. On the last day of the month, sunrise is at 08:02 and sunset at 16:01 CET.

Sunshine

In December, the average sunshine is 3.8h.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

The average high-temperature and low-temperature in Siekierczyn, Poland, during December are 2.8°C (37°F) and -0.8°C (30.6°F) respectively.

The average relative humidity in December in Siekierczyn, Poland, is 86%.

In Siekierczyn, Poland, in December, during 14.2 rainfall days, 45mm (1.77") of precipitation is typically accumulated.

In Siekierczyn, in December, snow falls for 10.5 days, with typically accumulated 126mm (4.96") of snow.

The month with the shortest days is December, with an average of 8h and 0min of daylight.

In December, the average day length is 7h and 59min.

In December, on the first day of the month, sunrise is at 07:41 and sunset at 15:55. On the last day of the month, sunrise is at 08:02 and sunset at 16:01 CET.

The average sunshine duration in December is 3.8h.

November and December, with an average maximum UV index of 1, are months with the lowest UV index in Siekierczyn.

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Siekierczyn, Poland

  • Average high temperature in December: 2.8°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in December: -0.8°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in December
Siekierczyn, Poland

  • Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).

Average wind speed in December
Siekierczyn, Poland

  • Average wind speed in December: 14.4km/h

The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in December
Siekierczyn, Poland

  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Siekierczyn, Poland

  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is July (76mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in December
Siekierczyn, Poland

  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in December
Siekierczyn, Poland

  • Average snowfall in December: 126mm

The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Siekierczyn, Poland

  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Siekierczyn, 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 48min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December
Siekierczyn, Poland

  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is June (7.3 days).

Average UV index in December
Siekierczyn, Poland

  • Average UV index in December: 1

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

Average cloud cover in December
Siekierczyn, Poland

  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Siekierczyn, Poland

  • Average visibility in December: 8km

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