December weather forecastRgielsko, Poland
December
Weather in December
December, the first month of the winter in Rgielsko, is also an icy month, with an average temperature fluctuating between 2.7°C (36.9°F) and -1°C (30.2°F).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a chilly 7.5°C (45.5°F) in November to an icy 2.7°C (36.9°F). Throughout December, a modest shift from daytime highs is anticipated in Rgielsko, with an average low-temperature of -1°C (30.2°F).Humidity
The average relative humidity in December is 88%.Rainfall
In Rgielsko, Poland, in December, it is raining for 11.5 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Rgielsko, there are 130.5 rainfall days, and 345mm (13.58") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rgielsko, Poland, in December, snow falls for 8.8 days, with typically accumulated 53mm (2.09") of snow. In Rgielsko, during the entire year, snow falls for 44.2 days and aggregates up to 269mm (10.59") of snow.Daylight
December has the shortest days of the year in Rgielsko, with an average of 7h and 42min of daylight.On the first day of December in Rgielsko, sunrise is at 07:41 and sunset at 15:39. On the last day of the month, sunrise is at 08:03 and sunset at 15:45 CET.
Sunshine
In Rgielsko, the average sunshine in December is 3h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rgielsko, Poland
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in December
Rgielsko, Poland
- Average pressure in December: 1015.6mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Rgielsko, Poland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in December
Rgielsko, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Rgielsko, Poland
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Rgielsko, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is September (7.2 days).
Average snowfall in December
Rgielsko, Poland
- Average snowfall in December: 53mm
The month with the highest snowfall is January (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rgielsko, Poland
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rgielsko, Poland
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Rgielsko, Poland
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (21.7 days).
The month with the least sunshine days is January (9.8 days).
Average UV index in December
Rgielsko, Poland
- Average UV index in December: 1
The months with the highest UV index are May, 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
Rgielsko, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Rgielsko, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).





