December weather forecastJaczno, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Jaczno, Poland, with an average temperature varying between 0.5°C (32.9°F) and -2.6°C (27.3°F).Temperature
A shift in the average high-temperature occurs in December, reducing from 5.5°C (41.9°F) in November to a still wintry 0.5°C (32.9°F). Maintaining close parity with daytime warmth, the average nocturnal temperature in Jaczno during December stays at a subzero cold -2.6°C (27.3°F).Humidity
The average relative humidity in December in Jaczno is 91%.Rainfall
In Jaczno, in December, it is raining for 10.5 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 156.8 rainfall days, and 459mm (18.07") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 13.4 days. Throughout December, 110mm (4.33") of snow is accumulated. In Jaczno, during the entire year, snow falls for 65.1 days and aggregates up to 519mm (20.43") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 07:20 and sunset at 15:10. On the last day of December, sunrise is at 07:43 and sunset at 15:15 CET.
Sunshine
In December, the average sunshine in Jaczno 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 minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jaczno, 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
Jaczno, 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
Jaczno, 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
Jaczno, 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
Jaczno, 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
Jaczno, 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
Jaczno, 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
Jaczno, 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
Jaczno, Poland
- Average daylight in December: 7h and 36min
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 36min).
- 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
Jaczno, 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
Jaczno, 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
Jaczno, 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
Jaczno, 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).
