December weather forecastNacpolsk, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Nacpolsk, Poland, with an average temperature fluctuating between -1.1°C (30°F) and 2.5°C (36.5°F).Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's frosty 7.2°C (45°F) to a cold 2.5°C (36.5°F). Nacpolsk's average temperature throughout the nights in December exhibits a minor decrease from daytime highs, stabilizing at a subzero cold -1.1°C (30°F).Humidity
In December, the average relative humidity is 87%.Rainfall
In Nacpolsk, in December, it is raining for 12.2 days, with typically 30mm (1.18") of accumulated precipitation. In Nacpolsk, during the entire year, the rain falls for 156 days and collects up to 403mm (15.87") of precipitation.Snowfall
Months with snowfall in Nacpolsk are January through May, October through December. In Nacpolsk, in December, during 8.9 snowfall days, 52mm (2.05") of snow is typically accumulated. In Nacpolsk, during the entire year, snow falls for 45.6 days and aggregates up to 336mm (13.23") 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 December in Nacpolsk, sunrise is at 07:27 and sunset at 15:28. On the last day of the month, sunrise is at 07:49 and sunset at 15:34 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Nacpolsk, Poland, are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nacpolsk, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Nacpolsk, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in December
Nacpolsk, Poland
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Nacpolsk, 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 (67%).
Average rainfall in December
Nacpolsk, Poland
- Average rainfall in December: 30mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Nacpolsk, Poland
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Nacpolsk, Poland
- Average snowfall in December: 52mm
The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Nacpolsk, Poland
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Nacpolsk, 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 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Nacpolsk, Poland
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in December
Nacpolsk, 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
Nacpolsk, 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
Nacpolsk, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).





