December weather forecast
Sieroszów, Poland

December

Weather in December

The first month of the winter, December, is also an icy month in Sieroszów, Poland, with temperature in the range of an average high of 2.7°C (36.9°F) and an average low of -1.3°C (29.7°F).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a frosty 7.9°C (46.2°F) in November to a wintry 2.7°C (36.9°F). Sieroszów reports an average low temperature of -1.3°C (29.7°F) in December, a minor decrease from the day's highs.

Humidity

In Sieroszów, the average relative humidity in December is 85%.

Rainfall

In Sieroszów, Poland, during December, the rain falls for 8.6 days and regularly aggregates up to 20mm (0.79") of precipitation. In Sieroszów, during the entire year, the rain falls for 139.3 days and collects up to 391mm (15.39") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Sieroszów. In Sieroszów, in December, snow falls for 5.9 days, with typically accumulated 47mm (1.85") of snow. In Sieroszów, during the entire year, snow falls for 31.6 days and aggregates up to 266mm (10.47") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 6min of daylight.
On the first day of December, sunrise is at 07:32 and sunset at 15:50. On the last day of the month, sunrise is at 07:53 and sunset at 15:57 CET.

Sunshine

In Sieroszów, the average sunshine in December is 4.3h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

How cold is it in Sieroszów in December?
The average high-temperature, in December, in Sieroszów, is 2.7°C (36.9°F), while the average low-temperature is -1.3°C (29.7°F).
What is the average humidity in December in Sieroszów?
The average relative humidity in December is 85%.
How much does it rain in Sieroszów in December?
In Sieroszów, Poland, in December, it is raining for 8.6 days, with typically 20mm (0.79") of accumulated precipitation.
How much does it snow in Sieroszów in December?
In Sieroszów, in December, during 5.9 snowfall days, 47mm (1.85") of snow is typically accumulated.
What is the month with the shortest days in Sieroszów?
The month with the shortest days is December, with an average of 8h and 6min of daylight.
How many hours of daylight does Sieroszów have in December?
In Sieroszów, Poland, the average day length in December is 8h and 4min.
When is the sunrise / sunset in December in Sieroszów?
In December, on the first day of the month, sunrise is at 07:32 and sunset at 15:50. On the last day of the month, in Sieroszów, sunrise is at 07:53 and sunset at 15:57 CET.
How many hours of sunshine does Sieroszów have in December?
The average sunshine duration in December is 4.3h.
When is the lowest UV index in Sieroszów?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the UV index intensity in December in Sieroszów?
In Sieroszów, Poland, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Sieroszów, Poland
  • Average high temperature in December: 2.7°C

The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in December: -1.3°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in December
Sieroszów, Poland
  • Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).

Average wind speed in December
Sieroszów, Poland
  • Average wind speed in December: 14.5km/h

The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in December
Sieroszów, Poland
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Sieroszów, Poland
  • Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is May (57mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in December
Sieroszów, Poland
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (6 days).

Average snowfall in December
Sieroszów, Poland
  • Average snowfall in December: 47mm

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

Average snowfall days in December
Sieroszów, Poland
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Sieroszów, 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: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Sieroszów, Poland
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is October (19 days).
The months with the least sunshine days are May and June (10.8 days).

Average UV index in December
Sieroszów, 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, November and December (UV index 2).

Average cloud cover in December
Sieroszów, Poland
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Sieroszów, Poland
  • Average visibility in December: 9km

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

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