December weather forecastJaczniki, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Jaczniki, Poland, with an average temperature ranging between min -2.6°C (27.3°F) and max 0.5°C (32.9°F).Temperature
Start of December brings a shift in the average high-temperature, falling from November's icy 5.5°C (41.9°F) to a still wintry 0.5°C (32.9°F). Jaczniki's average low temperature, barely cooler than the daytime high, steadies at a freezing cold -2.6°C (27.3°F) during December.Humidity
The average relative humidity in December is 91%.Rainfall
In Jaczniki, in December, during 10.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Jaczniki, Poland, during the entire year, the rain falls for 156.6 days and collects up to 459mm (18.07") of precipitation.Snowfall
Months with snowfall in Jaczniki are January through May, October through December. In Jaczniki, in December, during 13.4 snowfall days, 110mm (4.33") of snow is typically accumulated. Throughout the year, there are 65.1 snowfall days, and 519mm (20.43") of snow is accumulated.Daylight
The month with the shortest days in Jaczniki is December, with an average of 7h and 30min of daylight.On the first day of December, sunrise is at 07:20 and sunset at 15:09. On the last day of the month, sunrise is at 07:43 and sunset at 15:15 CET.
Sunshine
In December, the average sunshine is 1.7h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 1 in December translates into these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jaczniki, Poland
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in December
Jaczniki, Poland
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in December
Jaczniki, Poland
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Jaczniki, Poland
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in December
Jaczniki, Poland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are February and April (25mm).
Average rainfall days in December
Jaczniki, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (19.9 days).
The months with the least rainy days are January and February (7.5 days).
Average snowfall in December
Jaczniki, Poland
- Average snowfall in December: 110mm
The month with the highest snowfall is January (155mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jaczniki, Poland
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jaczniki, Poland
- Average daylight in December: 7h and 30min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 1h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in December
Jaczniki, Poland
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Jaczniki, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Jaczniki, Poland
- Average cloud cover in December: 77
The month with the most cloud cover is February (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Jaczniki, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (6km).
