December weather forecastOlesno, Poland
December
Weather in December
December, the first month of the winter in Olesno, is still a cold month, with temperature in the range of an average high of 2.6°C (36.7°F) and an average low of -0.7°C (30.7°F).Temperature
Olesno's weather changes with the onset of December, slightly falling from a frosty 7.9°C (46.2°F) in November to a cold 2.6°C (36.7°F). Nighttime temperatures record an average of -0.7°C (30.7°F) throughout December.Humidity
The average relative humidity in December is 86%.Rainfall
In Olesno, in December, it is raining for 6.9 days, with typically 17mm (0.67") of accumulated precipitation. In Olesno, Poland, during the entire year, the rain falls for 121.3 days and collects up to 317mm (12.48") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Olesno, Poland, in December, during 5.5 snowfall days, 30mm (1.18") of snow is typically accumulated. In Olesno, during the entire year, snow falls for 35.6 days and aggregates up to 255mm (10.04") of snow.Daylight
The month with the shortest days in Olesno, Poland, is December, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 07:27 and sunset at 15:43. On the last day of the month, sunrise is at 07:48 and sunset at 15:50 CET.
Sunshine
In Olesno, the average sunshine in December is 3.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Olesno, Poland
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in December: -0.7°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in December
Olesno, Poland
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Olesno, 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 months (with the lowest average wind speed) are July and August (11.1km/h).
Average humidity in December
Olesno, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Olesno, Poland
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).
Average rainfall days in December
Olesno, Poland
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Olesno, Poland
- Average snowfall in December: 30mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Olesno, Poland
- Average snowfall days in December: 5.5 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 and September (0 days).
Average daylight in December /
Average sunshine in December
Olesno, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Olesno, Poland
- Average sunshine days in December: 19 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in December
Olesno, Poland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Olesno, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Olesno, Poland
- Average visibility in December: 8km
The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (7km).





