December weather forecastJaślany, Poland
December
Weather in December
December, the first month of the winter in Jaślany, is also an icy month, with temperature in the range of an average high of 2.3°C (36.1°F) and an average low of -1.6°C (29.1°F).Temperature
A decrease in the average high-temperature is observed during December, shifting from a frosty 8.1°C (46.6°F) in November to a cold 2.3°C (36.1°F). During the nights of December, Jaślany records an average temperature of -1.6°C (29.1°F), a minor drop from daytime peaks.Humidity
The average relative humidity in December is 86%.Rainfall
In Jaślany, in December, it is raining for 10.1 days, with typically 20mm (0.79") of accumulated precipitation. In Jaślany, during the entire year, the rain falls for 133.5 days and collects up to 292mm (11.5") of precipitation.Snowfall
Months with snowfall in Jaślany are January through April, October through December. In Jaślany, in December, during 9.4 snowfall days, 47mm (1.85") of snow is typically accumulated. Throughout the year, in Jaślany, there are 43.4 snowfall days, and 199mm (7.83") of snow is accumulated.Daylight
December has the shortest days of the year in Jaślany, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 07:13 and sunset at 15:33. On the last day of the month, sunrise is at 07:34 and sunset at 15:40 CET.
Sunshine
In December, the average sunshine in Jaślany is 3.7h.UV index
The month with the lowest UV index in Jaślany is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jaślany, Poland
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).
Average pressure in December
Jaślany, Poland
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is October (1019mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Jaślany, Poland
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in December
Jaślany, 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 (68%).
Average rainfall in December
Jaślany, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is March (14mm).
Average rainfall days in December
Jaślany, Poland
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Jaślany, Poland
- Average snowfall in December: 47mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Jaślany, Poland
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jaślany, Poland
- Average daylight in December: 8h and 6min
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 6min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in December
Jaślany, Poland
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Jaślany, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Jaślany, Poland
- Average cloud cover in December: 64
The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Jaślany, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).





