December weather forecastCieślanki, Poland

December

Weather in December

The first month of the winter, December, is also an icy month in Cieślanki, Poland, with an average temperature fluctuating between -1.8°C (28.8°F) and 1.6°C (34.9°F).

Temperature

The move into December indicates a reduction in the average high-temperature, down from November's chilly 7.1°C (44.8°F) to a cold 1.6°C (34.9°F). A consistent nighttime average temperature of -1.8°C (28.8°F) is maintained in Cieślanki during December.

Humidity

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

Rainfall

In Cieślanki, during December, the rain falls for 11.5 days and regularly aggregates up to 43mm (1.69") of precipitation. In Cieślanki, during the entire year, the rain falls for 159.8 days and collects up to 524mm (20.63") of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Cieślanki, in December, during 14.7 snowfall days, 127mm (5") of snow is typically accumulated. In Cieślanki, during the entire year, snow falls for 64.2 days and aggregates up to 581mm (22.87") of snow.

Daylight

With an average of 8h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Cieślanki, Poland, sunrise is at 07:11 and sunset at 15:27. On the last day of the month, sunrise is at 07:32 and sunset at 15:34 CET.

Sunshine

The average sunshine in December in Cieślanki 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 Cieślanki. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

Cieślanki in December has an average high-temperature of 1.6°C (34.9°F) and an average low-temperature of -1.8°C (28.8°F).

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

In Cieślanki, in December, it is raining for 11.5 days, with typically 43mm (1.69") of accumulated precipitation.

In December, it is snowing for 14.7 days. Throughout December, 127mm (5") of snow is accumulated.

With an average of 8h and 0min of daylight, December has the shortest days of the year in Cieślanki.

In December, the average day length in Cieślanki is 8h and 2min.

In December, on the first day of the month, sunrise is at 07:11 and sunset at 15:27. On the last day of the month, in Cieślanki, sunrise is at 07:32 and sunset at 15:34 CET.

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

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

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Cieślanki, Poland

  • Average high temperature in December: 1.6°C

The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in December: -1.8°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in December
Cieślanki, Poland

  • Average pressure in December: 1017.6mbar

The month with the highest atmospheric pressure is October (1018.9mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in December
Cieślanki, Poland

  • Average wind speed in December: 13km/h

The windiest month (with the highest average wind speed) is December (13km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in December
Cieślanki, Poland

  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December
Cieślanki, Poland

  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is November (28mm).

Average rainfall days in December
Cieślanki, Poland

  • Average rainfall days in December: 11.5 days

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

Average snowfall in December
Cieślanki, Poland

  • Average snowfall in December: 127mm

The month with the highest snowfall is January (189mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Cieślanki, Poland

  • Average snowfall days in December: 14.7 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • 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 30min).

Average sunshine days in December
Cieślanki, Poland

  • Average sunshine days in December: 8.1 days

The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in December
Cieślanki, 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
Cieślanki, Poland

  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Cieślanki, 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).