December weather forecastSieniczno, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Sieniczno, Poland, with temperature in the range of an average low of -1.7°C (28.9°F) and an average high of 2°C (35.6°F).Temperature
A shift in Sieniczno's weather is observed as November turns into December, with the average high temperature reducing from a frosty 7.8°C (46°F) to an icy 2°C (35.6°F). During December, Sieniczno's nights hold steady with an average temperature of -1.7°C (28.9°F), barely dropping from the daytime highs.Humidity
The average relative humidity in December in Sieniczno is 86%.Rainfall
In Sieniczno, in December, it is raining for 11 days, with typically 42mm (1.65") of accumulated precipitation. In Sieniczno, during the entire year, the rain falls for 169.4 days and collects up to 571mm (22.48") of precipitation.Snowfall
Months with snowfall in Sieniczno are January through May, October through December. In December, it is snowing for 14.1 days. Throughout December, 157mm (6.18") of snow is accumulated. Throughout the year, in Sieniczno, there are 66.3 snowfall days, and 663mm (26.1") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year in Sieniczno.On the first day of December in Sieniczno, sunrise is at 07:19 and sunset at 15:41. On the last day of the month, sunrise is at 07:41 and sunset at 15:48 CET.
Sunshine
The average sunshine in December is 4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. 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
Sieniczno, Poland
- Average high temperature in December: 2°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.7°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in December
Sieniczno, Poland
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in December
Sieniczno, Poland
- Average wind speed in December: 14.6km/h
The windiest month (with the highest average wind speed) is December (14.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Sieniczno, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in December
Sieniczno, Poland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is May (83mm).
The driest month (with the least rainfall) is November (29mm).
Average rainfall days in December
Sieniczno, Poland
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is June (21.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Sieniczno, Poland
- Average snowfall in December: 157mm
The month with the highest snowfall is January (200mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sieniczno, Poland
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sieniczno, Poland
- Average daylight in December: 8h and 6min
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 6min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Sieniczno, Poland
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is August (15.3 days).
The month with the least sunshine days is June (6 days).
Average UV index in December
Sieniczno, 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
Sieniczno, Poland
- Average cloud cover in December: 62
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Sieniczno, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
