December weather forecastSierakowy, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Sierakowy, Poland, with an average temperature ranging between min -0.5°C (31.1°F) and max 2.6°C (36.7°F).Temperature
A mild drop in Sierakowy's average high-temperature is observed in December, transitioning from a frosty 7.4°C (45.3°F) in November to a wintry 2.6°C (36.7°F). Sierakowy's nighttime temperatures in December display a slight drop from daytime highs, averaging to a subzero cold -0.5°C (31.1°F).Humidity
In December, the average relative humidity in Sierakowy is 87%.Rainfall
In Sierakowy, in December, during 9.6 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, there are 137.4 rainfall days, and 321mm (12.64") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 7 days. Throughout December, 31mm (1.22") of snow is accumulated. In Sierakowy, during the entire year, snow falls for 33.1 days and aggregates up to 162mm (6.38") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:33 and sunset at 15:35. On the last day of December, sunrise is at 07:55 and sunset at 15:41 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
The month with the lowest UV index in Sierakowy, Poland, is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sierakowy, Poland
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Sierakowy, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Sierakowy, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Sierakowy, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Sierakowy, Poland
- Average rainfall in December: 18mm
The wettest months (with the highest rainfall) are June and July (46mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Sierakowy, Poland
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Sierakowy, Poland
- Average snowfall in December: 31mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sierakowy, Poland
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sierakowy, Poland
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Sierakowy, Poland
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Sierakowy, Poland
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Sierakowy, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Sierakowy, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
