December weather forecast
Stary Śleszów, Poland

December

Weather in December

December, the first month of the winter in Stary Śleszów, is also a wintry month, with an average temperature varying between 3.6°C (38.5°F) and -0.5°C (31.1°F).

Temperature

With December's arrival, Stary Śleszów, Poland, sees a decrease in average high-temperatures, moving from a frosty 8.9°C (48°F) in November to a cold 3.6°C (38.5°F). Throughout December nights, Stary Śleszów records a consistent low-temperature averaging a freezing cold -0.5°C (31.1°F).

Humidity

The average relative humidity in December in Stary Śleszów is 84%.

Rainfall

In Stary Śleszów, in December, it is raining for 10 days, with typically 23mm (0.91") of accumulated precipitation. In Stary Śleszów, during the entire year, the rain falls for 138.8 days and collects up to 326mm (12.83") of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, in Stary Śleszów, it is snowing for 6.7 days. Throughout December, 44mm (1.73") of snow is accumulated. Throughout the year, there are 33.1 snowfall days, and 195mm (7.68") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 0min of daylight.
On the first day of the month, sunrise is at 07:33 and sunset at 15:48. On the last day of December, in Stary Śleszów, sunrise is at 07:54 and sunset at 15:55 CET.

Sunshine

The average sunshine in December is 3.9h.

UV index

The months with the lowest UV index in Stary Śleszów, Poland, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold does it get in Stary Śleszów in December?
The high-temperature in Stary Śleszów during December is 3.6°C (38.5°F) and the low-temperature is -0.5°C (31.1°F).
What is the average humidity in December in Stary Śleszów?
The average relative humidity in December is 84%.
How many days does it rain in December in Stary Śleszów?
In December, the rain falls for 10 days. Throughout December, 23mm (0.91") of precipitation is accumulated.
How much does it snow in Stary Śleszów in December?
In Stary Śleszów, Poland, in December, snow falls for 6.7 days, with typically accumulated 44mm (1.73") of snow.
What is the month with the shortest days in Stary Śleszów?
With an average of 8h and 0min of daylight, December has the shortest days of the year.
How many hours of daylight does Stary Śleszów have in December?
The average day length in December in Stary Śleszów is 8h and 1min.
When is the sunrise / sunset in December in Stary Śleszów?
On the first day of December in Stary Śleszów, sunrise is at 07:33 and sunset at 15:48. On the last day of the month, sunrise is at 07:54 and sunset at 15:55 CET.
How many hours of sunshine does Stary Śleszów have in December?
The average sunshine duration in December is 3.9h.
When is the lowest UV index in Stary Śleszów?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index reading in December in Stary Śleszów?
In December, the average daily maximum UV index in Stary Śleszów is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
Stary Śleszów, Poland
  • Average high temperature in December: 3.6°C

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (1.7°C).

  • Average low temperature in December: -0.5°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (-2.7°C).

Average pressure in December
Stary Śleszów, Poland
  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).

Average wind speed in December
Stary Śleszów, Poland
  • Average wind speed in December: 13.4km/h

The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in December
Stary Śleszów, Poland
  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Stary Śleszów, Poland
  • Average rainfall in December: 23mm

The wettest months (with the highest rainfall) are May and June (41mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in December
Stary Śleszów, Poland
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in December
Stary Śleszów, Poland
  • Average snowfall in December: 44mm

The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Stary Śleszów, Poland
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Stary Śleszów, Poland
  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 3h and 5min

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 30min).

Average sunshine days in December
Stary Śleszów, Poland
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is June (11 days).

Average UV index in December
Stary Śleszów, Poland
  • Average UV index in December: 2

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 2).

Average cloud cover in December
Stary Śleszów, Poland
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Stary Śleszów, Poland
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).

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