December weather forecastSiecie, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Siecie, Poland, with temperature in the range of an average high of 3.2°C (37.8°F) and an average low of 0.2°C (32.4°F).Temperature
The arrival of December signals a subtle shift in temperature, down from a chilly 7.5°C (45.5°F) in November to a wintry 3.2°C (37.8°F). Nights during December maintain a steady temperature, averaging at a still icy 0.2°C (32.4°F).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.Rainfall
In Siecie, during December, the rain falls for 11.9 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 129.2 rainfall days, and 353mm (13.9") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In December, in Siecie, Poland, it is snowing for 6.9 days. Throughout December, 33mm (1.3") of snow is accumulated. In Siecie, during the entire year, snow falls for 33.3 days and aggregates up to 196mm (7.72") of snow.Daylight
With an average of 7h and 24min of daylight, December has the shortest days of the year in Siecie, Poland.On the first day of December in Siecie, sunrise is at 07:50 and sunset at 15:29. On the last day of the month, sunrise is at 08:13 and sunset at 15:35 CET.
Sunshine
The months with the least sunshine in Siecie are January and December, with an average of 2.8h of sunshine.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siecie, Poland
- Average high temperature in December: 3.2°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).
Average pressure in December
Siecie, Poland
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is October (1016.3mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Siecie, Poland
- Average wind speed in December: 19.4km/h
The windiest month (with the highest average wind speed) is December (19.4km/h).
The calmest month (with the lowest average wind speed) is August (13.9km/h).
Average humidity in December
Siecie, Poland
- Average humidity in December: 86%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Siecie, Poland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Siecie, Poland
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is April (8 days).
Average snowfall in December
Siecie, Poland
- Average snowfall in December: 33mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Siecie, Poland
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Siecie, Poland
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 2h and 48min).
Average sunshine days in December
Siecie, Poland
- Average sunshine days in December: 12 days
The months with the most sunshine days are April and May (19.8 days).
The month with the least sunshine days is December (12 days).
Average UV index in December
Siecie, 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
Siecie, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Siecie, Poland
- Average visibility in December: 9km
The months with the highest visibility are April, June, August, September and October (10km).
The months with the lowest visibility are January, February, March, May, July, November and December (9km).
