December weather forecastUstrobna, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Ustrobna, Poland, with an average temperature ranging between min -2.6°C (27.3°F) and max 0.9°C (33.6°F).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 7.3°C (45.1°F) to a cold 0.9°C (33.6°F). Ustrobna, during December nights, records a temperature marginally cooler than the daytime average, at a subzero cold -2.6°C (27.3°F).Humidity
In December, the average relative humidity in Ustrobna is 89%.Rainfall
In December, in Ustrobna, the rain falls for 9.9 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Ustrobna, there are 155.3 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Ustrobna. December is the month with the most snowfall. Snow falls for 12.3 days and accumulates 144mm (5.67") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 07:09 and sunset at 15:35. On the last day of the month, sunrise is at 07:30 and sunset at 15:42 CET.
Sunshine
In December, the average sunshine is 3.7h.UV index
January 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 unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these 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. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ustrobna, Poland
- Average high temperature in December: 0.9°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in December
Ustrobna, Poland
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is October (1019.1mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).
Average wind speed in December
Ustrobna, Poland
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in December
Ustrobna, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Ustrobna, Poland
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is March (26mm).
Average rainfall days in December
Ustrobna, Poland
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Ustrobna, Poland
- Average snowfall in December: 144mm
The month with the highest snowfall is December (144mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Ustrobna, Poland
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ustrobna, 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 42min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Ustrobna, Poland
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Ustrobna, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Ustrobna, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Ustrobna, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
