December weather forecastKalna, Poland
December
Weather in December
December, the first month of the winter in Kalna, is still a cold month, with an average temperature varying between 2.1°C (35.8°F) and -2.8°C (27°F).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from a chilly 8°C (46.4°F) in November to a wintry 2.1°C (35.8°F). Kalna's nighttime temperature in December experiences a slight dip from daytime highs, falling to an average of -2.8°C (27°F).Humidity
The average relative humidity in December is 87%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 53mm (2.09") of precipitation is accumulated. Throughout the year, there are 172.8 rainfall days, and 645mm (25.39") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Kalna, in December, snow falls for 12.3 days, with typically accumulated 197mm (7.76") of snow. In Kalna, during the entire year, snow falls for 58 days and aggregates up to 840mm (33.07") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 07:19 and sunset at 15:45. On the last day of December, in Kalna, sunrise is at 07:40 and sunset at 15:52 CET.
Sunshine
In Kalna, the average sunshine in December is 4.2h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Kalna. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kalna, Poland
- Average high temperature in December: 2.1°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°C).
- Average low temperature in December: -2.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in December
Kalna, Poland
- Average pressure in December: 1018.8mbar
The months with the highest atmospheric pressure are October and December (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.6mbar).
Average wind speed in December
Kalna, Poland
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in December
Kalna, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Kalna, Poland
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is November (30mm).
Average rainfall days in December
Kalna, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Kalna, Poland
- Average snowfall in December: 197mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kalna, Poland
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kalna, Poland
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Kalna, Poland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (5.8 days).
Average UV index in December
Kalna, 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 November and December (UV index 1).
Average cloud cover in December
Kalna, Poland
- Average cloud cover in December: 59
The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Kalna, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
