December weather forecastCelestyny, Poland
December
Weather in December
December, the first month of the winter in Celestyny, is also an icy month, with an average temperature fluctuating between -0.5°C (31.1°F) and 2.8°C (37°F).Temperature
Transition into December marks a drop in the average high-temperature, moving from a chilly 7.9°C (46.2°F) in November to an icy 2.8°C (37°F). Celestyny's nighttime temperature in December shows a minor descent, with a steady average of -0.5°C (31.1°F).Humidity
In December, the average relative humidity is 86%.Rainfall
In Celestyny, during December, the rain falls for 8.6 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, there are 119.6 rainfall days, and 215mm (8.46") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Celestyny, it is snowing for 7.5 days. Throughout December, 30mm (1.18") of snow is accumulated. In Celestyny, during the entire year, snow falls for 37.3 days and aggregates up to 150mm (5.91") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Celestyny, Poland.On the first day of the month, sunrise is at 07:32 and sunset at 15:39. On the last day of December, sunrise is at 07:54 and sunset at 15:45 CET.
Sunshine
In Celestyny, the average sunshine in December is 3.5h.UV index
In Celestyny, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Celestyny, Poland
- Average high temperature in December: 2.8°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 (0.6°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in December
Celestyny, Poland
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).
Average wind speed in December
Celestyny, Poland
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Celestyny, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Celestyny, Poland
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is May (31mm).
The driest months (with the least rainfall) are April and November (11mm).
Average rainfall days in December
Celestyny, Poland
- Average rainfall days in December: 8.6 days
The months with the highest number of rainy days are June and July (14.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Celestyny, Poland
- Average snowfall in December: 30mm
The month with the highest snowfall is January (45mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Celestyny, Poland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Celestyny, Poland
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Celestyny, Poland
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in December
Celestyny, Poland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Celestyny, Poland
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Celestyny, 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).





