December weather forecastKatarzyn, Poland

December

Weather in December

December, the first month of the winter in Katarzyn, is also a wintry month, with an average temperature varying between -1.5°C (29.3°F) and 2°C (35.6°F).

Temperature

December's arrival corresponds with a decrease in average high-temperatures, from November's frosty 7.1°C (44.8°F) to a cold 2°C (35.6°F). Katarzyn encounters a small divergence from daytime high temperatures, averaging a low-temperature of -1.5°C (29.3°F) during December nights.

Humidity

In December, the average relative humidity in Katarzyn is 87%.

Rainfall

In December, in Katarzyn, the rain falls for 12.2 days. Throughout December, 41mm (1.61") of precipitation is accumulated. In Katarzyn, Poland, during the entire year, the rain falls for 154.3 days and collects up to 458mm (18.03") of precipitation.

Snowfall

January through April, October through December are months with snowfall in Katarzyn. In Katarzyn, in December, snow falls for 13.1 days, with typically accumulated 93mm (3.66") of snow. Throughout the year, there are 58.7 snowfall days, and 488mm (19.21") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 7h and 54min of daylight.
On the first day of December in Katarzyn, sunrise is at 07:14 and sunset at 15:25. On the last day of the month, sunrise is at 07:36 and sunset at 15:31 CET.

Sunshine

In December, the average sunshine is 3.1h.

UV index

The months with the lowest UV index in Katarzyn are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 1 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Katarzyn during December are 2°C (35.6°F) and -1.5°C (29.3°F) respectively.

In December, the average relative humidity in Katarzyn is 87%.

In Katarzyn, Poland, in December, during 12.2 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

In Katarzyn, Poland, in December, snow falls for 13.1 days, with typically accumulated 93mm (3.66") of snow.

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

In December, the average day length is 7h and 55min.

On the first day of December in Katarzyn, sunrise is at 07:14 and sunset at 15:25. On the last day of the month, sunrise is at 07:36 and sunset at 15:31 CET.

The average sunshine duration in December in Katarzyn, Poland, is 3.1h.

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

The average daily maximum UV index in December in Katarzyn is 1. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
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
Katarzyn, Poland

  • Average high temperature in December: 2°C

The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (-0.4°C).

  • Average low temperature in December: -1.5°C

The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in December
Katarzyn, Poland

  • Average pressure in December: 1017mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in December
Katarzyn, Poland

  • Average wind speed in December: 12.5km/h

The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).

Average humidity in December
Katarzyn, Poland

  • Average humidity in December: 87%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Katarzyn, Poland

  • Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is May (68mm).
The driest month (with the least rainfall) is November (26mm).

Average rainfall days in December
Katarzyn, Poland

  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in December
Katarzyn, Poland

  • Average snowfall in December: 93mm

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
Katarzyn, Poland

  • Average snowfall days in December: 13.1 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Katarzyn, 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: 3h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Katarzyn, Poland

  • Average sunshine days in December: 8.9 days

The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is January (8 days).

Average UV index in December
Katarzyn, 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, November and December (UV index 1).

Average cloud cover in December
Katarzyn, Poland

  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Katarzyn, 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 (6km).