December weather forecastSiepraw, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Siepraw, Poland, with an average temperature ranging between min -1.5°C (29.3°F) and max 2.6°C (36.7°F).Temperature
The shift from November to December corresponds with a decrease in the average high-temperature, down to a wintry 2.6°C (36.7°F) from a frosty 8.6°C (47.5°F). Siepraw's nights in December maintain a consistent average of -1.5°C (29.3°F), demonstrating a minimal differential from its daytime temperature.Humidity
In December, the average relative humidity in Siepraw, Poland, is 83%.Rainfall
In Siepraw, in December, during 6 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Siepraw, there are 123.2 rainfall days, and 368mm (14.49") of precipitation is accumulated.Snowfall
Months with snowfall in Siepraw are January through May, October through December. In Siepraw, in December, snow falls for 5.5 days, with typically accumulated 35mm (1.38") of snow. In Siepraw, Poland, during the entire year, snow falls for 24.6 days and aggregates up to 153mm (6.02") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 07:17 and sunset at 15:41. On the last day of the month, sunrise is at 07:38 and sunset at 15:48 CET.
Sunshine
In December, the average sunshine is 4.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Siepraw. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siepraw, Poland
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Siepraw, Poland
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.5mbar).
Average wind speed in December
Siepraw, Poland
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is March (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in December
Siepraw, Poland
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Siepraw, Poland
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is May (65mm).
The driest months (with the least rainfall) are January and March (14mm).
Average rainfall days in December
Siepraw, Poland
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Siepraw, Poland
- Average snowfall in December: 35mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siepraw, Poland
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siepraw, 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: 4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Siepraw, Poland
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in December
Siepraw, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Siepraw, Poland
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Siepraw, Poland
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).





