December weather forecastBystrowice, Poland
December
Weather in December
December, the first month of the winter in Bystrowice, is still a cold month, with an average temperature varying between -2.2°C (28°F) and 2.2°C (36°F).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 8.1°C (46.6°F) to a wintry 2.2°C (36°F). In Bystrowice, December's low temperatures hover around a subzero cold -2.2°C (28°F), reflecting a minor decrease from the daytime highs.Humidity
The average relative humidity in December in Bystrowice, Poland, is 86%.Rainfall
In Bystrowice, in December, during 8.1 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Bystrowice, Poland, during the entire year, the rain falls for 124.8 days and collects up to 295mm (11.61") of precipitation.Snowfall
January through April, October through December are months with snowfall. December is the month with the most snowfall in Bystrowice. Snow falls for 11 days and accumulates 54mm (2.13") of snow.Daylight
The month with the shortest days in Bystrowice is December, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 07:06 and sunset at 15:31. On the last day of the month, sunrise is at 07:27 and sunset at 15:38 CET.
Sunshine
The average sunshine in December is 3.5h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bystrowice, Poland
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in December: -2.2°C
The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in December
Bystrowice, Poland
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is October (1019.2mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in December
Bystrowice, Poland
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Bystrowice, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Bystrowice, Poland
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in December
Bystrowice, Poland
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Bystrowice, Poland
- Average snowfall in December: 54mm
The month with the highest snowfall is December (54mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Bystrowice, Poland
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bystrowice, Poland
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 30min
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
Bystrowice, Poland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Bystrowice, 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
Bystrowice, Poland
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Bystrowice, 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).
