December weather forecastSieciemin, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Sieciemin, Poland, with temperature in the range of an average high of 3.3°C (37.9°F) and an average low of 0.6°C (33.1°F).Temperature
The average high-temperature slightly decreases in December, shifting from a chilly 7.5°C (45.5°F) in November to a wintry 3.3°C (37.9°F). Sieciemin indicates a consistently low-temperature of 0.6°C (33.1°F) during the nights of December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 87%.Rainfall
In Sieciemin, Poland, in December, it is raining for 13.5 days, with typically 38mm (1.5") of accumulated precipitation. In Sieciemin, Poland, during the entire year, the rain falls for 142.6 days and collects up to 388mm (15.28") of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, it is snowing for 6.7 days. Throughout December, 30mm (1.18") of snow is accumulated. Throughout the year, there are 31.1 snowfall days, and 172mm (6.77") of snow is accumulated.Daylight
With an average of 7h and 24min of daylight, December has the shortest days of the year in Sieciemin, Poland.On the first day of December in Sieciemin, sunrise is at 07:51 and sunset at 15:35. On the last day of the month, sunrise is at 08:14 and sunset at 15:40 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 3.1h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sieciemin, Poland
- Average high temperature in December: 3.3°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in December: 0.6°C
The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (-1.1°C).
Average pressure in December
Sieciemin, Poland
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is October (1016.4mbar).
The months with the lowest atmospheric pressure are November and December (1013.2mbar).
Average wind speed in December
Sieciemin, Poland
- Average wind speed in December: 20.3km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in December
Sieciemin, Poland
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Sieciemin, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in December
Sieciemin, Poland
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is April (8.8 days).
Average snowfall in December
Sieciemin, Poland
- Average snowfall in December: 30mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Sieciemin, Poland
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (9.3 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
Sieciemin, Poland
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in December
Sieciemin, Poland
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is December (11.1 days).
Average UV index in December
Sieciemin, 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 January, November and December (UV index 1).
Average cloud cover in December
Sieciemin, Poland
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Sieciemin, Poland
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





