December weather forecast and climate
Sławsko, Poland

The first month of the winter, December, is also a wintry month in Sławsko, Poland, with average temperature ranging between min 0.2°C (32.4°F) and max 3.2°C (37.8°F).

Temperature

In December, the average high-temperature slightly decreases, from a chilly 7.5°C (45.5°F) in November, to a wintry 3.2°C (37.8°F). In December, in Sławsko, the average low-temperature is 0.2°C (32.4°F).

Humidity

Months with the highest humidity in Sławsko are January, February and December, with an average relative humidity of 86%.

Rainfall

In December, in Sławsko, the rain falls for 11.9 days. Throughout December, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 129.2 rainfall days, and 353mm (13.9") of precipitation is accumulated.

Snowfall

Months with snowfall in Sławsko are January through May, November and December. In Sławsko, Poland, during December, snow falls for 6.9 days and regularly aggregates up to 33mm (1.3") of snow. Throughout the year, there are 33.3 snowfall days, and 196mm (7.72") of snow is accumulated.

Daylight

With an average of 7.4h of daylight, December has the shortest days of the year in Sławsko, Poland.

Sunshine

Months with the least sunshine are January and December, with an average of 2.8h of sunshine.

UV index

November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sławsko. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Sławsko?

The average high-temperature, in December, in Sławsko, is 3.2°C (37.8°F), while the average low-temperature is 0.2°C (32.4°F).

What is the most humid month in Sławsko?

January, February and December, with an average relative humidity of 86%, are most humid months in Sławsko.

What is the average humidity in December in Sławsko?

The average relative humidity in December in Sławsko is 86%.

How much does it rain in Sławsko in December?

In Sławsko, Poland, in December, during 11.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

How much does it snow in Sławsko in December?

In Sławsko, Poland, in December, during 6.9 snowfall days, 33mm (1.3") of snow is typically accumulated.

What is the month with the shortest days in Sławsko?

The month with the shortest days in Sławsko is December, with an average of 7.4h of daylight.

How many hours of daylight does Sławsko have in December?

The average length of the day in December is 7.4h.

What is the month with the least sunshine in Sławsko?

Months with the least sunshine in Sławsko, Poland, are January and December, with an average of 2.8h of sunshine.

How long on average sun shines in December in Sławsko?

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

What is the month with the lowest UV index in Sławsko?

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

How high is the UV index in December in Sławsko?

In Sławsko, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in December - Sławsko, Poland
  • Average high temperature in December: 3.2°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in December: 0.2°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 (-1.7°C).

Average humidity in December - Sławsko, Poland
  • Average humidity in December: 86%

Months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (70%).

Average rainfall in December - Sławsko, Poland
  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in December - Sławsko, Poland
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is April (8 days).

Average snowfall in December - Sławsko, Poland
  • Average snowfall in December: 33mm

The month with the highest snowfall is January (72mm).
Months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in December - Sławsko, Poland
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (10.2 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Sławsko, Poland
  • Average daylight in December: 7.4h

The month with the longest days is June (Average daylight: 17.1h).
The month with the shortest days is December (Average daylight: 7.4h).

  • Average sunshine in December: 2.8h

The month with the most sunshine is August (Average sunshine: 9.9h).
Months with the least sunshine are January and December (Average sunshine: 2.8).

Average UV index in December - Sławsko, Poland
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are November and December (UV index 1).