December weather forecastBolejny, Poland
December
Weather in December
December, the first month of the winter in Bolejny, is still a cold month, with an average temperature ranging between min -2°C (28.4°F) and max 1.4°C (34.5°F).Temperature
A modest decline in the average high-temperature is seen during December, decreasing from a frosty 6.1°C (43°F) in November to a wintry 1.4°C (34.5°F). December nights in Bolejny reveal a minor deviation from daytime highs, with a mean low-temperature of -2°C (28.4°F).Humidity
The average relative humidity in December in Bolejny is 89%.Rainfall
In Bolejny, in December, it is raining for 11.1 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 155.1 rainfall days, and 414mm (16.3") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Bolejny, Poland, during December, snow falls for 9.7 days and regularly aggregates up to 76mm (2.99") of snow. In Bolejny, during the entire year, snow falls for 51.5 days and aggregates up to 413mm (16.26") of snow.Daylight
The month with the shortest days in Bolejny is December, with an average of 7h and 36min of daylight.On the first day of December in Bolejny, Poland, sunrise is at 07:31 and sunset at 15:23. On the last day of the month, sunrise is at 07:54 and sunset at 15:28 CET.
Sunshine
The average sunshine in December is 2.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bolejny, Poland
- Average high temperature in December: 1.4°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.1°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).
Average pressure in December
Bolejny, Poland
- Average pressure in December: 1014.4mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Bolejny, Poland
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Bolejny, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Bolejny, Poland
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are March and April (22mm).
Average rainfall days in December
Bolejny, Poland
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in December
Bolejny, Poland
- Average snowfall in December: 76mm
The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bolejny, Poland
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bolejny, Poland
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Bolejny, Poland
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in December
Bolejny, Poland
- Average UV index in December: 1
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, February, November and December (UV index 1).
Average cloud cover in December
Bolejny, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Bolejny, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
