December weather forecastOstrowąż, Poland
December
Weather in December
December, the first month of the winter in Ostrowąż, is also a wintry month, with temperature in the range of an average low of -0.4°C (31.3°F) and an average high of 2.7°C (36.9°F).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a frosty 7.6°C (45.7°F) in November to a wintry 2.7°C (36.9°F). Ostrowąż sustains a near constant temperature throughout December, with nighttime averages of -0.4°C (31.3°F).Humidity
In December, the average relative humidity is 87%.Rainfall
In Ostrowąż, in December, during 11.4 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, in Ostrowąż, there are 140.2 rainfall days, and 307mm (12.09") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 8.2 days. Throughout December, 40mm (1.57") of snow is accumulated. In Ostrowąż, during the entire year, snow falls for 36.7 days and aggregates up to 188mm (7.4") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:35 and sunset at 15:37. On the last day of December, sunrise is at 07:57 and sunset at 15:43 CET.
Sunshine
The average sunshine in December in Ostrowąż is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ostrowąż, Poland
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Ostrowąż, Poland
- Average pressure in December: 1016mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in December
Ostrowąż, Poland
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Ostrowąż, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Ostrowąż, Poland
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is June (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Ostrowąż, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Ostrowąż, Poland
- Average snowfall in December: 40mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ostrowąż, Poland
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ostrowąż, Poland
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 24min
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 6min).
Average sunshine days in December
Ostrowąż, Poland
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Ostrowąż, 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 and December (UV index 1).
Average cloud cover in December
Ostrowąż, Poland
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Ostrowąż, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).





