December weather forecast
Sławniów, Poland

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Weather in December

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

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 7.3°C (45.1°F) in November to a cold 1.6°C (34.9°F). Throughout the nights in December, Sławniów notes an average low of -1.8°C (28.8°F), a small dip from the daytime peak.

Humidity

In Sławniów, the average relative humidity in December is 86%.

Rainfall

In Sławniów, during December, the rain falls for 7.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Sławniów, Poland, during the entire year, the rain falls for 138.8 days and collects up to 438mm (17.24") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Sławniów. In December, in Sławniów, it is snowing for 9.8 days. Throughout December, 82mm (3.23") of snow is accumulated. Throughout the year, in Sławniów, there are 47.1 snowfall days, and 358mm (14.09") of snow is accumulated.

Daylight

With an average of 8h and 6min of daylight, December has the shortest days of the year in Sławniów, Poland.
On the first day of the month, sunrise is at 07:20 and sunset at 15:40. On the last day of December, in Sławniów, Poland, sunrise is at 07:41 and sunset at 15:47 CET.

Sunshine

The average sunshine in December in Sławniów is 3.3h.

UV index

November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 1 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

How cold is it in Sławniów in December?

The average high-temperature, in December, in Sławniów, is 1.6°C (34.9°F), while the average low-temperature is -1.8°C (28.8°F).

What is the average humidity in December in Sławniów?

In Sławniów, Poland, the average relative humidity in December is 86%.

How much does it rain in Sławniów in December?

In Sławniów, in December, it is raining for 7.5 days, with typically 25mm (0.98") of accumulated precipitation.

How much does it snow in Sławniów in December?

In December, it is snowing for 9.8 days. Throughout December, 82mm (3.23") of snow is accumulated.

What is the month with the shortest days in Sławniów?

December has the shortest days of the year, with an average of 8h and 6min of daylight.

What is the average length of the day in December in Sławniów?

In December, the average day length in Sławniów, Poland, is 8h and 5min.

What time are sunrise and sunset in December in Sławniów?

In December, on the first day of the month, sunrise is at 07:20 and sunset at 15:40. On the last day of the month, in Sławniów, Poland, sunrise is at 07:41 and sunset at 15:47 CET.

How many hours of sunshine does Sławniów have in December?

The average sunshine duration in December in Sławniów is 3.3h.

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

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

What is the UV index intensity in December in Sławniów?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sławniów, Poland

Average temperature in December - Sławniów, Poland
  • Average high temperature in December: 1.6°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in December: -1.8°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

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Average pressure in December
Sławniów, Poland

Average pressure in December - Sławniów, Poland
  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).

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Average wind speed in December
Sławniów, Poland

Average wind speed in December - Sławniów, Poland
  • Average wind speed in December: 16.6km/h

The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

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Average humidity in December
Sławniów, Poland

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

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).

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Average rainfall in December
Sławniów, Poland

Average rainfall in December - Sławniów, Poland
  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).

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Average rainfall days in December
Sławniów, Poland

Average rainfall days in December - Sławniów, Poland
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).

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Average snowfall in December
Sławniów, Poland

Average snowfall in December - Sławniów, Poland
  • Average snowfall in December: 82mm

The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Sławniów, Poland

Average snowfall days in December - Sławniów, Poland
  • Average snowfall days in December: 9.8 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sławniów, Poland
  • Average daylight in December: 8h and 1min

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 6min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

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Average sunshine days in December
Sławniów, Poland

Average sunshine days in December - Sławniów, Poland
  • Average sunshine days in December: 14.6 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).

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Average UV index in December
Sławniów, Poland

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

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

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Average cloud cover in December
Sławniów, Poland

Average cloud cover in December - Sławniów, Poland
  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
Sławniów, Poland

Average visibility in December - Sławniów, Poland
  • Average visibility in December: 8km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).

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Sławniów, Poland

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