December weather forecastSarnowy, Poland

December

Weather in December

The first month of the winter, December, is also an icy month in Sarnowy, Poland, with an average temperature fluctuating between -1.2°C (29.8°F) and 2.1°C (35.8°F).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a chilly 6.5°C (43.7°F) in November to a cold 2.1°C (35.8°F). Nighttime temperature reflects an average dip to a subzero cold -1.2°C (29.8°F) in December, subtly cooler than its daytime highs.

Humidity

In Sarnowy, the average relative humidity in December is 88%.

Rainfall

In Sarnowy, in December, during 11.4 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Sarnowy, Poland, during the entire year, the rain falls for 152.8 days and collects up to 397mm (15.63") of precipitation.

Snowfall

Months with snowfall in Sarnowy are January through May, October through December. In Sarnowy, in December, during 8 snowfall days, 59mm (2.32") of snow is typically accumulated. Throughout the year, in Sarnowy, Poland, there are 42.7 snowfall days, and 279mm (10.98") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 30min of daylight.
On the first day of the month, sunrise is at 07:44 and sunset at 15:29. On the last day of December, in Sarnowy, sunrise is at 08:07 and sunset at 15:35 CET.

Sunshine

In Sarnowy, the average sunshine in December is 3.1h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sarnowy. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

The average high-temperature and low-temperature in Sarnowy, Poland, during December are 2.1°C (35.8°F) and -1.2°C (29.8°F) respectively.

In December, the average relative humidity in Sarnowy, Poland, is 88%.

In Sarnowy, in December, during 11.4 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

In Sarnowy, Poland, in December, during 8 snowfall days, 59mm (2.32") of snow is typically accumulated.

December has the shortest days of the year in Sarnowy, Poland, with an average of 7h and 30min of daylight.

The average day length in December is 7h and 28min.

In December, on the first day of the month, sunrise is at 07:44 and sunset at 15:29. On the last day of the month, in Sarnowy, sunrise is at 08:07 and sunset at 15:35 CET.

In Sarnowy, Poland, the average sunshine duration in December is 3.1h.

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

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Sarnowy, Poland

  • Average high temperature in December: 2.1°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in December: -1.2°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).

Average pressure in December
Sarnowy, Poland

  • Average pressure in December: 1013.8mbar

The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in December
Sarnowy, Poland

  • Average wind speed in December: 14.1km/h

The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).

Average humidity in December
Sarnowy, Poland

  • Average humidity in December: 88%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (69%).

Average rainfall in December
Sarnowy, Poland

  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in December
Sarnowy, Poland

  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in December
Sarnowy, Poland

  • Average snowfall in December: 59mm

The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Sarnowy, Poland

  • Average snowfall days in December: 8 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 30min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in December: 3h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Sarnowy, Poland

  • Average sunshine days in December: 12 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in December
Sarnowy, Poland

  • Average UV index in December: 1

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

Average cloud cover in December
Sarnowy, Poland

  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Sarnowy, Poland

  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).