December weather forecastBierzwnik, Poland
December weather for Bierzwnik, Poland: The first month of the winter, December, is still a cold month in Bierzwnik, Poland, with temperature in the range of an average high of 3.4°C (38.1°F) and an average low of -0.4°C (31.3°F). The month with the shortest days in Bierzwnik, Poland, is December, with an average of 7h and 42min of daylight.
December
Weather in December
The first month of the winter, December, is still a cold month in Bierzwnik, Poland, with temperature in the range of an average high of 3.4°C (38.1°F) and an average low of -0.4°C (31.3°F).Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's chilly 7.5°C (45.5°F) to a cold 3.4°C (38.1°F). Nighttime temperature in Bierzwnik reflects an average dip to a freezing cold -0.4°C (31.3°F) in December, subtly cooler than its daytime highs.Humidity
January and December, with an average relative humidity of 89%, are the most humid months in Bierzwnik.Rainfall
In Bierzwnik, in December, it is raining for 10.1 days, with typically 20mm (0.79") of accumulated precipitation. In Bierzwnik, during the entire year, the rain falls for 140.9 days and collects up to 327mm (12.87") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, in Bierzwnik, Poland, it is snowing for 4.4 days. Throughout December, 27mm (1.06") of snow is accumulated. Throughout the year, in Bierzwnik, there are 23.1 snowfall days, and 128mm (5.04") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 07:48 and sunset at 15:44. On the last day of December, in Bierzwnik, sunrise is at 08:10 and sunset at 15:50 CET.
Sunshine
In December, the average sunshine is 3.2h.UV index
The average daily maximum UV index in December in Bierzwnik is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
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. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bierzwnik, Poland
- Average high temperature in December: 3.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in December
Bierzwnik, Poland
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The months with the lowest atmospheric pressure are July and November (1014.1mbar).
Average wind speed in December
Bierzwnik, Poland
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in December
Bierzwnik, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Bierzwnik, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Bierzwnik, Poland
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Bierzwnik, Poland
- Average snowfall in December: 27mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Bierzwnik, Poland
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bierzwnik, Poland
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Bierzwnik, Poland
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Bierzwnik, Poland
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Bierzwnik, Poland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Bierzwnik, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (7km).





