December weather forecastSarnik, Poland
December
Weather in December
December, the first month of the winter in Sarnik, is also an icy month, with an average temperature fluctuating between 3.4°C (38.1°F) and -0.4°C (31.3°F).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a frosty 7.5°C (45.5°F) in November to a wintry 3.4°C (38.1°F). Recording a slight decline in temperature during the nights, Sarnik's December temperatures average at a subzero cold -0.4°C (31.3°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months.Rainfall
In Sarnik, Poland, in December, during 10.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, in Sarnik, there are 140.9 rainfall days, and 327mm (12.87") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Sarnik, in December, during 4.4 snowfall days, 27mm (1.06") of snow is typically accumulated. In Sarnik, during the entire year, snow falls for 23.1 days and aggregates up to 128mm (5.04") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:49 and sunset at 15:46. On the last day of December, in Sarnik, Poland, sunrise is at 08:12 and sunset at 15:51 CET.
Sunshine
The average sunshine in December in Sarnik is 3.2h.UV index
In Sarnik, Poland, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sarnik, Poland
- Average high temperature in December: 3.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in December
Sarnik, Poland
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The months with the lowest atmospheric pressure are July and November (1014.1mbar).
Average wind speed in December
Sarnik, 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 (10.9km/h).
Average humidity in December
Sarnik, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Sarnik, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Sarnik, Poland
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Sarnik, Poland
- Average snowfall in December: 27mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sarnik, Poland
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sarnik, Poland
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Sarnik, Poland
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Sarnik, Poland
- Average UV index in December: 2
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 and November (UV index 1).
Average cloud cover in December
Sarnik, Poland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Sarnik, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (7km).





