December weather forecastOstrowy, Poland
December
Weather in December
December, the first month of the winter in Ostrowy, is still a cold month, with an average temperature varying between 2.6°C (36.7°F) and -0.5°C (31.1°F).Temperature
Ostrowy's December weather shows a modest shift in high-temperatures, falling from November's chilly 7.4°C (45.3°F) to a wintry 2.6°C (36.7°F). Ostrowy's nights throughout December are marked by an average low temperature of -0.5°C (31.1°F), a minor drop from the day's high.Humidity
In December, the average relative humidity in Ostrowy is 87%.Rainfall
In Ostrowy, during December, the rain falls for 9.6 days and regularly aggregates up to 18mm (0.71") of precipitation. In Ostrowy, during the entire year, the rain falls for 137.4 days and collects up to 321mm (12.64") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Ostrowy, in December, during 7 snowfall days, 31mm (1.22") of snow is typically accumulated. In Ostrowy, during the entire year, snow falls for 33.1 days and aggregates up to 162mm (6.38") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:30 and sunset at 15:34. On the last day of December, in Ostrowy, sunrise is at 07:52 and sunset at 15:40 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
The month with the lowest UV index in Ostrowy is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
Ostrowy, Poland
- Average high temperature in December: 2.6°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 (0.4°C).
- Average low temperature in December: -0.5°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 (-3°C).
Average pressure in December
Ostrowy, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Ostrowy, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Ostrowy, 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 (66%).
Average rainfall in December
Ostrowy, Poland
- Average rainfall in December: 18mm
The wettest months (with the highest rainfall) are June and July (46mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Ostrowy, Poland
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Ostrowy, Poland
- Average snowfall in December: 31mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ostrowy, Poland
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ostrowy, 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 0min).
Average sunshine days in December
Ostrowy, Poland
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Ostrowy, Poland
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Ostrowy, Poland
- Average cloud cover in December: 68
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
Ostrowy, 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).





