December weather forecast
Koscierzyna, Poland

December

Weather in December

December, the first month of the winter in Koscierzyna, is also an icy month, with an average temperature fluctuating between -1.2°C (29.8°F) and 2.1°C (35.8°F).

Temperature

Koscierzyna's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's chilly 6.5°C (43.7°F) to a cold 2.1°C (35.8°F). An average low-temperature of -1.2°C (29.8°F) is witnessed throughout the month of December in Koscierzyna, a mere drop from the daytime peak.

Humidity

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

Rainfall

In Koscierzyna, in December, it is raining for 11.4 days, with typically 29mm (1.14") of accumulated precipitation. In Koscierzyna, Poland, during the entire year, the rain falls for 152.8 days and collects up to 397mm (15.63") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, in Koscierzyna, it is snowing for 8 days. Throughout December, 59mm (2.32") of snow is accumulated. In Koscierzyna, during the entire year, snow falls for 42.7 days and aggregates up to 279mm (10.98") of snow.

Daylight

December has the shortest days of the year in Koscierzyna, with an average of 7h and 30min of daylight.
On the first day of the month, sunrise is at 07:44 and sunset at 15:29. On the last day of December, sunrise is at 08:07 and sunset at 15:34 CET.

Sunshine

In Koscierzyna, the average sunshine in December is 3.1h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Koscierzyna. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 1 in December transforms into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is December in Koscierzyna?
The high-temperature, in December, in Koscierzyna, is 2.1°C (35.8°F), while the low-temperature averages to -1.2°C (29.8°F).
What is the average humidity in December in Koscierzyna?
The average relative humidity in December in Koscierzyna, Poland, is 88%.
How much does it rain in Koscierzyna in December?
In Koscierzyna, during December, the rain falls for 11.4 days and regularly aggregates up to 29mm (1.14") of precipitation.
How many days does it snow in December in Koscierzyna?
In Koscierzyna, during December, snow falls for 8 days and regularly aggregates up to 59mm (2.32") of snow.
What is the month with the shortest days in Koscierzyna?
December has the shortest days of the year in Koscierzyna, Poland, with an average of 7h and 30min of daylight.
What is the average length of the day in December in Koscierzyna?
In December, the average day length in Koscierzyna is 7h and 28min.
What time are sunrise and sunset in December in Koscierzyna?
In December, on the first day of the month, sunrise is at 07:44 and sunset at 15:29. On the last day of the month, in Koscierzyna, Poland, sunrise is at 08:07 and sunset at 15:34 CET.
How long on average sun shines in December in Koscierzyna?
In December, the average sunshine duration in Koscierzyna is 3.1h.
What is the month with the lowest UV index in Koscierzyna?
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the UV index intensity in December in Koscierzyna?
The average daily maximum UV index in December in Koscierzyna is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Koscierzyna, Poland
  • Average high temperature in December: 2.1°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in December: -1.2°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).

Average pressure in December
Koscierzyna, Poland
  • Average pressure in December: 1013.8mbar

The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in December
Koscierzyna, Poland
  • Average wind speed in December: 14.1km/h

The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).

Average humidity in December
Koscierzyna, Poland
  • Average humidity in December: 88%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (69%).

Average rainfall in December
Koscierzyna, Poland
  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in December
Koscierzyna, Poland
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in December
Koscierzyna, Poland
  • Average snowfall in December: 59mm

The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Koscierzyna, Poland
  • Average snowfall days in December: 8 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Koscierzyna, Poland
  • Average daylight in December: 7h and 3min

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 1min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Koscierzyna, Poland
  • Average sunshine days in December: 12 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in December
Koscierzyna, 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
Koscierzyna, Poland
  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Koscierzyna, Poland
  • Average visibility in December: 8km

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

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