December weather forecastBystrzanów, Poland
December
Weather in December
December, the first month of the winter in Bystrzanów, is also an icy month, with an average temperature ranging between min -1.2°C (29.8°F) and max 2.4°C (36.3°F).Temperature
The advent of December brings a slight shift in average high-temperature, moving from a chilly 7.2°C (45°F) in November to an icy 2.4°C (36.3°F). During December, the nighttime temperatures align closely with the daytime averages, measuring a subzero cold -1.2°C (29.8°F).Humidity
In December, the average relative humidity is 87%.Rainfall
In Bystrzanów, in December, during 10.4 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 345mm (13.58") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Bystrzanów, it is snowing for 10 days. Throughout December, 50mm (1.97") of snow is accumulated. Throughout the year, there are 46.1 snowfall days, and 276mm (10.87") of snow is accumulated.Daylight
The month with the shortest days in Bystrzanów is December, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 07:23 and sunset at 15:29. On the last day of December, sunrise is at 07:44 and sunset at 15:35 CET.
Sunshine
The average sunshine in December is 3.3h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Bystrzanów. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bystrzanów, Poland
- Average high temperature in December: 2.4°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Bystrzanów, Poland
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in December
Bystrzanów, Poland
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Bystrzanów, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Bystrzanów, Poland
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is May (54mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in December
Bystrzanów, Poland
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Bystrzanów, Poland
- Average snowfall in December: 50mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bystrzanów, Poland
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bystrzanów, Poland
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Bystrzanów, Poland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Bystrzanów, 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, November and December (UV index 1).
Average cloud cover in December
Bystrzanów, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Bystrzanów, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).
