December weather forecastSierbowice, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Sierbowice, Poland, with temperature in the range of an average low of -1.8°C (28.8°F) and an average high of 1.6°C (34.9°F).Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 7.3°C (45.1°F) to a wintry 1.6°C (34.9°F). Sierbowice upholds a consistent average temperature of -1.8°C (28.8°F) throughout the nights of December.Humidity
In December, the average relative humidity in Sierbowice is 86%.Rainfall
In Sierbowice, during December, the rain falls for 7.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Sierbowice, during the entire year, the rain falls for 138.8 days and collects up to 438mm (17.24") of precipitation.Snowfall
January through May, October through December are months with snowfall in Sierbowice, Poland. In December, it is snowing for 9.8 days. Throughout December, 82mm (3.23") of snow is accumulated. In Sierbowice, Poland, during the entire year, snow falls for 47.1 days and aggregates up to 358mm (14.09") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 07:20 and sunset at 15:40. On the last day of December, sunrise is at 07:42 and sunset at 15:46 CET.
Sunshine
The average sunshine in December is 3.3h.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sierbowice, Poland
- Average high temperature in December: 1.6°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in December
Sierbowice, Poland
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in December
Sierbowice, Poland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Sierbowice, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in December
Sierbowice, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in December
Sierbowice, Poland
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Sierbowice, Poland
- Average snowfall in December: 82mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sierbowice, Poland
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sierbowice, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Sierbowice, Poland
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Sierbowice, 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
Sierbowice, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Sierbowice, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).





