December weather forecastSieroty, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Sieroty, Poland, with an average temperature fluctuating between -1.3°C (29.7°F) and 2.2°C (36°F).Temperature
December's onset brings a reduction in the average high-temperature, from a frosty 8.1°C (46.6°F) in November to a wintry 2.2°C (36°F). A consistent average low-temperature of -1.3°C (29.7°F), with a minor variance from the daytime highs, is noted in Sieroty during the nights of December.Humidity
In December, the average relative humidity is 85%.Rainfall
In December, in Sieroty, the rain falls for 12.4 days. Throughout December, 44mm (1.73") of precipitation is accumulated. Throughout the year, in Sieroty, there are 174.2 rainfall days, and 581mm (22.87") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sieroty. In December, in Sieroty, Poland, it is snowing for 11.8 days. Throughout December, 122mm (4.8") of snow is accumulated. Throughout the year, in Sieroty, there are 58.5 snowfall days, and 568mm (22.36") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 07:24 and sunset at 15:44. On the last day of December, sunrise is at 07:46 and sunset at 15:51 CET.
Sunshine
In December, the average sunshine in Sieroty is 3.7h.UV index
The months with the lowest UV index in Sieroty are November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sieroty, Poland
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Sieroty, Poland
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in December
Sieroty, Poland
- Average wind speed in December: 14.4km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Sieroty, Poland
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Sieroty, Poland
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (79mm).
The driest month (with the least rainfall) is November (28mm).
Average rainfall days in December
Sieroty, Poland
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Sieroty, Poland
- Average snowfall in December: 122mm
The month with the highest snowfall is January (198mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sieroty, Poland
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sieroty, Poland
- Average daylight in December: 8h and 6min
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 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in December
Sieroty, Poland
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is June (6.6 days).
Average UV index in December
Sieroty, 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).
Average cloud cover in December
Sieroty, Poland
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Sieroty, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).





