December weather forecastKalno, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Kalno, Poland, with an average temperature fluctuating between 3.1°C (37.6°F) and -1.2°C (29.8°F).Temperature
Kalno records a mild change in average high-temperature during December, easing from a frosty 8°C (46.4°F) in November to a wintry 3.1°C (37.6°F). Kalno notes a steady average temperature of -1.2°C (29.8°F) during the nights of December.Humidity
The average relative humidity in December is 85%.Rainfall
In Kalno, in December, during 9.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, in Kalno, there are 134.4 rainfall days, and 344mm (13.54") of precipitation is accumulated.Snowfall
Months with snowfall in Kalno are January through May, October through December. In December, in Kalno, it is snowing for 5.9 days. Throughout December, 46mm (1.81") of snow is accumulated. In Kalno, during the entire year, snow falls for 28.8 days and aggregates up to 214mm (8.43") of snow.Daylight
The month with the shortest days in Kalno is December, with an average of 8h and 0min of daylight.On the first day of December in Kalno, sunrise is at 07:35 and sunset at 15:50. On the last day of the month, sunrise is at 07:56 and sunset at 15:57 CET.
Sunshine
In December, the average sunshine in Kalno is 4.3h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Kalno, Poland. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kalno, Poland
- Average high temperature in December: 3.1°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 (0.7°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).
Average pressure in December
Kalno, Poland
- Average pressure in December: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in December
Kalno, Poland
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in December
Kalno, Poland
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Kalno, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is March (14mm).
Average rainfall days in December
Kalno, Poland
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Kalno, Poland
- Average snowfall in December: 46mm
The month with the highest snowfall is January (52mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kalno, Poland
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kalno, 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: 4h and 18min
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 54min).
Average sunshine days in December
Kalno, Poland
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Kalno, Poland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Kalno, Poland
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Kalno, Poland
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).





