December weather forecastRoczyny, Poland
December
Weather in December
December, the first month of the winter in Roczyny, is also a wintry month, with an average temperature varying between -2.8°C (27°F) and 2.1°C (35.8°F).Temperature
Roczyny's December weather comes with a decrease in average high-temperatures, moving from a chilly 8°C (46.4°F) in November to an icy 2.1°C (35.8°F). The temperature during December sees a subtle transition from day to night, averaging a low of -2.8°C (27°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Roczyny, during December, the rain falls for 11.4 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, there are 172.8 rainfall days, and 645mm (25.39") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Roczyny. In Roczyny, during December, snow falls for 12.3 days and regularly aggregates up to 197mm (7.76") of snow. Throughout the year, there are 58 snowfall days, and 840mm (33.07") of snow is accumulated.Daylight
December has the shortest days of the year in Roczyny, with an average of 8h and 12min of daylight.On the first day of December in Roczyny, Poland, sunrise is at 07:19 and sunset at 15:44. On the last day of the month, sunrise is at 07:40 and sunset at 15:51 CET.
Sunshine
In December, the average sunshine is 4.2h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roczyny, Poland
- Average high temperature in December: 2.1°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in December: -2.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in December
Roczyny, Poland
- Average pressure in December: 1018.8mbar
The months with the highest atmospheric pressure are October and December (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.6mbar).
Average wind speed in December
Roczyny, Poland
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in December
Roczyny, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Roczyny, Poland
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is November (30mm).
Average rainfall days in December
Roczyny, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Roczyny, Poland
- Average snowfall in December: 197mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roczyny, Poland
- Average snowfall days in December: 12.3 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
Roczyny, 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 12min
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 30min).
Average sunshine days in December
Roczyny, Poland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (5.8 days).
Average UV index in December
Roczyny, 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 November and December (UV index 1).
Average cloud cover in December
Roczyny, Poland
- Average cloud cover in December: 59
The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Roczyny, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).





