December weather forecastBylin, Poland
December
Weather in December
December, the first month of the winter in Bylin, is also an icy month, with an average temperature varying between -0.9°C (30.4°F) and 3°C (37.4°F).Temperature
The onset of December brings a small shift in high-temperatures, falling from a frosty 7.6°C (45.7°F) in November to a wintry 3°C (37.4°F). Night temperatures during December stabilize at an average of -0.9°C (30.4°F), closely mirroring the daytime temperatures.Humidity
In Bylin, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Bylin, there are 153.2 rainfall days, and 354mm (13.94") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Bylin. In Bylin, in December, during 7.5 snowfall days, 39mm (1.54") of snow is typically accumulated. In Bylin, during the entire year, snow falls for 31.7 days and aggregates up to 200mm (7.87") of snow.Daylight
December has the shortest days of the year in Bylin, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:39 and sunset at 15:42. On the last day of December, sunrise is at 08:01 and sunset at 15:48 CET.
Sunshine
In December, the average sunshine in Bylin is 3.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bylin, Poland
- Average high temperature in December: 3°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in December
Bylin, Poland
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in December
Bylin, Poland
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in December
Bylin, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Bylin, Poland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Bylin, Poland
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Bylin, Poland
- Average snowfall in December: 39mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Bylin, Poland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.3 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
Bylin, Poland
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Bylin, Poland
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in December
Bylin, 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 and December (UV index 1).
Average cloud cover in December
Bylin, Poland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Bylin, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).





