December weather forecastChełmiec, Poland

December

Weather in December

December, the first month of the winter in Chełmiec, is also an icy month, with an average temperature ranging between max 1.2°C (34.2°F) and min -3.1°C (26.4°F).

Temperature

During the transition into December, Chełmiec observes a decrease in the average high-temperature, falling from a chilly 7.4°C (45.3°F) in November to a wintry 1.2°C (34.2°F). Chełmiec records a negligible downturn from daytime temperatures, averaging a low of -3.1°C (26.4°F) in the month of December.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In Chełmiec, in December, it is raining for 10.9 days, with typically 41mm (1.61") of accumulated precipitation. In Chełmiec, during the entire year, the rain falls for 168.5 days and collects up to 575mm (22.64") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Chełmiec. In December, in Chełmiec, it is snowing for 10.8 days. Throughout December, 154mm (6.06") of snow is accumulated. In Chełmiec, Poland, during the entire year, snow falls for 57.4 days and aggregates up to 690mm (27.17") of snow.

Daylight

The month with the shortest days in Chełmiec is December, with an average of 8h and 12min of daylight.
On the first day of December in Chełmiec, Poland, sunrise is at 07:13 and sunset at 15:40. On the last day of the month, sunrise is at 07:34 and sunset at 15:47 CET.

Sunshine

In December, the average sunshine is 4.3h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

In Chełmiec, in December, the average high-temperature is 1.2°C (34.2°F), and the average low-temperature is -3.1°C (26.4°F).

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

In Chełmiec, Poland, in December, it is raining for 10.9 days, with typically 41mm (1.61") of accumulated precipitation.

In Chełmiec, Poland, in December, during 10.8 snowfall days, 154mm (6.06") of snow is typically accumulated.

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

In Chełmiec, Poland, the average day length in December is 8h and 13min.

In December, on the first day of the month, sunrise is at 07:13 and sunset at 15:40. On the last day of the month, in Chełmiec, sunrise is at 07:34 and sunset at 15:47 CET.

In December, the average sunshine duration in Chełmiec, Poland, is 4.3h.

The months with the lowest UV index in Chełmiec, Poland, are January through March, October through December, with an average maximum UV index of 2.

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Chełmiec, Poland

  • Average high temperature in December: 1.2°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in December: -3.1°C

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).

Average pressure in December
Chełmiec, Poland

  • Average pressure in December: 1019mbar

The months with the highest atmospheric pressure are October and December (1019mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).

Average wind speed in December
Chełmiec, Poland

  • Average wind speed in December: 11.3km/h

The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

Average humidity in December
Chełmiec, Poland

  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (75%).

Average rainfall in December
Chełmiec, Poland

  • Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is May (88mm).
The driest months (with the least rainfall) are March and November (31mm).

Average rainfall days in December
Chełmiec, Poland

  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in December
Chełmiec, Poland

  • Average snowfall in December: 154mm

The month with the highest snowfall is January (204mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Chełmiec, Poland

  • Average snowfall days in December: 10.8 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Chełmiec, 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: 4h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in December
Chełmiec, Poland

  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is June (7.7 days).

Average UV index in December
Chełmiec, Poland

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Chełmiec, Poland

  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Chełmiec, Poland

  • Average visibility in December: 8km

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