December weather forecastKetrzyn, Poland

December

Weather in December

The first month of the winter, December, is also a wintry month in Ketrzyn, Poland, with temperature in the range of an average high of 1°C (33.8°F) and an average low of -2.4°C (27.7°F).

Temperature

December implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 6.1°C (43°F) to a cold 1°C (33.8°F). Ketrzyn experiences a subtle drop in temperature during the December nights, recording an average of -2.4°C (27.7°F).

Humidity

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

Rainfall

In Ketrzyn, in December, during 11.2 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, in Ketrzyn, Poland, there are 154.2 rainfall days, and 430mm (16.93") of precipitation is accumulated.

Snowfall

Months with snowfall in Ketrzyn are January through May, October through December. In Ketrzyn, during December, snow falls for 9 days and regularly aggregates up to 81mm (3.19") of snow. In Ketrzyn, during the entire year, snow falls for 49.3 days and aggregates up to 396mm (15.59") of snow.

Daylight

The month with the shortest days in Ketrzyn, Poland, is December, with an average of 7h and 30min of daylight.
On the first day of December, sunrise is at 07:31 and sunset at 15:16. On the last day of the month, sunrise is at 07:53 and sunset at 15:21 CET.

Sunshine

In Ketrzyn, Poland, the average sunshine in December is 3h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

The high-temperature in Ketrzyn, Poland, during December is 1°C (33.8°F) and the low-temperature is -2.4°C (27.7°F).

The average relative humidity in December is 89%.

In Ketrzyn, Poland, during December, the rain falls for 11.2 days and regularly aggregates up to 32mm (1.26") of precipitation.

In December, in Ketrzyn, it is snowing for 9 days. Throughout December, 81mm (3.19") of snow is accumulated.

The month with the shortest days is December, with an average of 7h and 30min of daylight.

In December, the average day length in Ketrzyn is 7h and 28min.

In December, on the first day of the month, sunrise is at 07:31 and sunset at 15:16. On the last day of the month, in Ketrzyn, sunrise is at 07:53 and sunset at 15:21 CET.

In December, the average sunshine duration in Ketrzyn, Poland, is 3h.

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

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health threat from 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
Ketrzyn, Poland

  • Average high temperature in December: 1°C

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-1.4°C).

  • Average low temperature in December: -2.4°C

The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in December
Ketrzyn, Poland

  • Average pressure in December: 1014.3mbar

The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in December
Ketrzyn, Poland

  • Average wind speed in December: 15.1km/h

The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in December
Ketrzyn, Poland

  • Average humidity in December: 89%

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

Average rainfall in December
Ketrzyn, Poland

  • Average rainfall in December: 32mm

The wettest month (with the highest rainfall) is May (60mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December
Ketrzyn, Poland

  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in December
Ketrzyn, Poland

  • Average snowfall in December: 81mm

The month with the highest snowfall is January (112mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Ketrzyn, Poland

  • Average snowfall days in December: 9 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 30min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

Average sunshine days in December
Ketrzyn, Poland

  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in December
Ketrzyn, Poland

  • Average UV index in December: 1

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

Average cloud cover in December
Ketrzyn, Poland

  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Ketrzyn, 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).