December weather forecastPętna, Poland

December

Weather in December

December, the first month of the winter in Pętna, is also an icy month, with an average temperature varying between 1.3°C (34.3°F) and -2.6°C (27.3°F).

Temperature

The average high-temperature decreases in December, shifting from a chilly 7.3°C (45.1°F) in November to a wintry 1.3°C (34.3°F). Pętna reports an average low-temperature of -2.6°C (27.3°F) during the subtly cooler December nights.

Humidity

In Pętna, the average relative humidity in December is 88%.

Rainfall

In Pętna, during December, the rain falls for 11.2 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, there are 155.5 rainfall days, and 507mm (19.96") of precipitation is accumulated.

Snowfall

Months with snowfall in Pętna are January through May, October through December. In Pętna, during December, snow falls for 12.2 days and regularly aggregates up to 155mm (6.1") of snow. In Pętna, Poland, during the entire year, snow falls for 58.2 days and aggregates up to 572mm (22.52") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of December in Pętna, sunrise is at 07:10 and sunset at 15:37. On the last day of the month, sunrise is at 07:31 and sunset at 15:44 CET.

Sunshine

In December, the average sunshine in Pętna, Poland, is 3.8h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Pętna. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 1 suggests this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

During December, Pętna experiences an average high-temperature of 1.3°C (34.3°F) and a low-temperature of -2.6°C (27.3°F).

The average relative humidity in December is 88%.

In Pętna, Poland, in December, during 11.2 rainfall days, 46mm (1.81") of precipitation is typically accumulated.

In Pętna, Poland, in December, snow falls for 12.2 days, with typically accumulated 155mm (6.1") of snow.

The month with the shortest days in Pętna is December, with an average of 8h and 12min of daylight.

In December, the average day length in Pętna is 8h and 14min.

On the first day of December in Pętna, Poland, sunrise is at 07:10 and sunset at 15:37. On the last day of the month, sunrise is at 07:31 and sunset at 15:44 CET.

The average sunshine duration in December in Pętna, Poland, is 3.8h.

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

In Pętna, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Pętna, Poland

  • Average high temperature in December: 1.3°C

The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in December: -2.6°C

The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in December
Pętna, Poland

  • Average pressure in December: 1018.9mbar

The month with the highest atmospheric pressure is October (1019.1mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).

Average wind speed in December
Pętna, Poland

  • Average wind speed in December: 13.1km/h

The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).

Average humidity in December
Pętna, Poland

  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).

Average rainfall in December
Pętna, Poland

  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is March (26mm).

Average rainfall days in December
Pętna, Poland

  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (9 days).

Average snowfall in December
Pętna, Poland

  • Average snowfall in December: 155mm

The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Pętna, Poland

  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 3h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in December
Pętna, Poland

  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is January (8.1 days).

Average UV index in December
Pętna, 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 January and December (UV index 1).

Average cloud cover in December
Pętna, Poland

  • Average cloud cover in December: 64

The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Pętna, Poland

  • Average visibility in December: 8km

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