December weather forecast
Ściony, Poland

December

Weather in December

December, the first month of the winter in Ściony, is also a wintry month, with an average temperature fluctuating between -2.1°C (28.2°F) and 0.8°C (33.4°F).

Temperature

December's onset brings a reduction in the average high-temperature, from a frosty 6.1°C (43°F) in November to a cold 0.8°C (33.4°F). Ściony's December nights witness minimal differential from the daytime temperatures, with averages of -2.1°C (28.2°F).

Humidity

In Ściony, the average relative humidity in December is 90%.

Rainfall

In Ściony, in December, during 11.7 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 163.9 rainfall days, and 512mm (20.16") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In December, in Ściony, it is snowing for 15.2 days. Throughout December, 121mm (4.76") of snow is accumulated. Throughout the year, in Ściony, Poland, there are 70.6 snowfall days, and 580mm (22.83") of snow is accumulated.

Daylight

With an average of 7h and 42min of daylight, December has the shortest days of the year in Ściony, Poland.
On the first day of December in Ściony, sunrise is at 07:18 and sunset at 15:16. On the last day of the month, sunrise is at 07:41 and sunset at 15:22 CET.

Sunshine

In Ściony, the average sunshine in December is 2.8h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ściony. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

How cold is it in Ściony in December?
The average high-temperature and low-temperature in Ściony, Poland, during December are 0.8°C (33.4°F) and -2.1°C (28.2°F) respectively.
What is the average humidity in December in Ściony?
The average relative humidity in December is 90%.
How much does it rain in Ściony in December?
In December, in Ściony, Poland, the rain falls for 11.7 days. Throughout December, 43mm (1.69") of precipitation is accumulated.
How many days does it snow in December in Ściony?
In Ściony, Poland, during December, snow falls for 15.2 days and regularly aggregates up to 121mm (4.76") of snow.
What is the month with the shortest days in Ściony?
December has the shortest days of the year in Ściony, Poland, with an average of 7h and 42min of daylight.
What is the average length of the day in December in Ściony?
The average day length in December in Ściony, Poland, is 7h and 42min.
What time are sunrise and sunset in December in Ściony?
On the first day of December in Ściony, Poland, sunrise is at 07:18 and sunset at 15:16. On the last day of the month, sunrise is at 07:41 and sunset at 15:22 CET.
How long on average sun shines in December in Ściony?
The average sunshine duration in December in Ściony, Poland, is 2.8h.
What are the months with the lowest UV index in Ściony?
The months with the lowest UV index in Ściony are January, February, November and December, with an average maximum UV index of 1.
What is the UV index reading in December in Ściony?
The average daily maximum UV index in December in Ściony is 1. A UV Index reading of 2, and below, represents a low health risk 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
Ściony, Poland
  • Average high temperature in December: 0.8°C

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).

  • Average low temperature in December: -2.1°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in December
Ściony, Poland
  • Average pressure in December: 1015.8mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in December
Ściony, Poland
  • Average wind speed in December: 14.2km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

Average humidity in December
Ściony, Poland
  • Average humidity in December: 90%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).

Average rainfall in December
Ściony, Poland
  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in December
Ściony, Poland
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Ściony, Poland
  • Average snowfall in December: 121mm

The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Ściony, Poland
  • Average snowfall days in December: 15.2 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Ściony, Poland
  • Average daylight in December: 7h and 4min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).

Average sunshine days in December
Ściony, Poland
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).

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

Average cloud cover in December
Ściony, Poland
  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Ściony, 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).

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