December weather forecastChróstnik, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Chróstnik, Poland, with an average temperature fluctuating between -0.1°C (31.8°F) and 3.5°C (38.3°F).Temperature
December's onset brings a reduction in the average high-temperature, from a chilly 8.5°C (47.3°F) in November to a wintry 3.5°C (38.3°F). December nights anticipate an average temperature of -0.1°C (31.8°F), a modest decline from the daytime.Humidity
The average relative humidity in December in Chróstnik is 85%.Rainfall
In Chróstnik, during December, the rain falls for 13.9 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 160.9 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Chróstnik, in December, snow falls for 8.5 days, with typically accumulated 81mm (3.19") of snow. Throughout the year, there are 44.6 snowfall days, and 402mm (15.83") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:38 and sunset at 15:50. On the last day of the month, sunrise is at 08:00 and sunset at 15:56 CET.
Sunshine
In December, the average sunshine in Chróstnik is 3.9h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. 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
Chróstnik, Poland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in December: -0.1°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Chróstnik, Poland
- Average pressure in December: 1016.9mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in December
Chróstnik, Poland
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Chróstnik, Poland
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Chróstnik, Poland
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Chróstnik, Poland
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in December
Chróstnik, Poland
- Average snowfall in December: 81mm
The month with the highest snowfall is January (139mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Chróstnik, Poland
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chróstnik, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Chróstnik, Poland
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in December
Chróstnik, Poland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Chróstnik, Poland
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Chróstnik, Poland
- Average visibility in December: 8km
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (7km).





