December weather forecastSiemianice, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Siemianice, Poland, with an average temperature ranging between min 0.2°C (32.4°F) and max 3.2°C (37.8°F).Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a frosty 7.5°C (45.5°F) in November to a cold 3.2°C (37.8°F). Siemianice observes a consistent average low-temperature of 0.2°C (32.4°F) throughout December nights.Humidity
January, February and December, with an average relative humidity of 86%, are the most humid months in Siemianice.Rainfall
In Siemianice, in December, during 11.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Siemianice, 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, it is snowing for 6.9 days. Throughout December, 33mm (1.3") of snow is accumulated. Throughout the year, there are 33.3 snowfall days, and 196mm (7.72") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 24min of daylight.On the first day of December in Siemianice, sunrise is at 07:50 and sunset at 15:31. On the last day of the month, sunrise is at 08:13 and sunset at 15:36 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 2.8h of sunshine.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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
Siemianice, 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).





