December weather forecastSupy, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Supy, Poland, with an average temperature ranging between max 1.4°C (34.5°F) and min -1.9°C (28.6°F).Temperature
December's onset brings a negligible change in high-temperatures, falling from a chilly 6.1°C (43°F) in November to a cold 1.4°C (34.5°F). In December, a low-temperature average of -1.9°C (28.6°F) is characteristic of Supy, marking a minor shift from daytime temperatures.Humidity
In Supy, the average relative humidity in December is 89%.Rainfall
In December, the rain falls for 8.3 days. Throughout December, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 130.4 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Supy, in December, during 11.3 snowfall days, 49mm (1.93") of snow is typically accumulated. In Supy, Poland, during the entire year, snow falls for 54.2 days and aggregates up to 237mm (9.33") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 36min of daylight.On the first day of December in Supy, Poland, sunrise is at 07:23 and sunset at 15:16. On the last day of the month, sunrise is at 07:45 and sunset at 15:21 CET.
Sunshine
The average sunshine in December in Supy is 2.7h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Supy. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Supy, Poland
- Average high temperature in December: 1.4°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in December
Supy, Poland
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Supy, Poland
- Average wind speed in December: 13km/h
The windiest month (with the highest average wind speed) is December (13km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Supy, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Supy, Poland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is May (42mm).
The driest months (with the least rainfall) are February and March (14mm).
Average rainfall days in December
Supy, Poland
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Supy, Poland
- Average snowfall in December: 49mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Supy, Poland
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Supy, Poland
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in December
Supy, Poland
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in December
Supy, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Supy, Poland
- Average cloud cover in December: 74
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Supy, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
