December weather forecastKarniszyn, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Karniszyn, Poland, with an average temperature varying between -1.9°C (28.6°F) and 1.4°C (34.5°F).Temperature
Karniszyn in December undergoes a slight reduction in the average high-temperature, shifting from November's frosty 6.2°C (43.2°F) to a cold 1.4°C (34.5°F). In the month of December, Karniszyn experiences a minor discrepancy from peak daytime temperatures, settling at an average low-temperature of -1.9°C (28.6°F).Humidity
The average relative humidity in December is 89%.Rainfall
In December, in Karniszyn, the rain falls for 9.1 days. Throughout December, 20mm (0.79") of precipitation is accumulated. Throughout the year, in Karniszyn, there are 126.8 rainfall days, and 277mm (10.91") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Karniszyn. In December, in Karniszyn, it is snowing for 10.2 days. Throughout December, 56mm (2.2") of snow is accumulated. Throughout the year, in Karniszyn, there are 46.4 snowfall days, and 230mm (9.06") of snow is accumulated.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year in Karniszyn.On the first day of December, sunrise is at 07:31 and sunset at 15:27. On the last day of the month, sunrise is at 07:53 and sunset at 15:33 CET.
Sunshine
The average sunshine in December in Karniszyn, Poland, is 2.8h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Karniszyn, Poland
- Average high temperature in December: 1.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Karniszyn, Poland
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Karniszyn, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Karniszyn, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Karniszyn, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Karniszyn, Poland
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Karniszyn, Poland
- Average snowfall in December: 56mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Karniszyn, Poland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Karniszyn, 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: 2h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Karniszyn, Poland
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Karniszyn, 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
Karniszyn, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Karniszyn, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





