December weather forecastBiely Kostol, Slovakia
December
Weather in December
The first month of the winter, December, is still a cold month in Biely Kostol, Slovakia, with an average temperature fluctuating between -1.6°C (29.1°F) and 2.9°C (37.2°F).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a chilly 8.7°C (47.7°F) in November to a wintry 2.9°C (37.2°F). In Biely Kostol, the nightly December temperatures experience a slight descent from daily highs to an average low of -1.6°C (29.1°F).Humidity
In Biely Kostol, Slovakia, the average relative humidity in December is 85%.Rainfall
In Biely Kostol, Slovakia, during December, the rain falls for 11.4 days and regularly aggregates up to 36mm (1.42") of precipitation. In Biely Kostol, during the entire year, the rain falls for 142.4 days and collects up to 421mm (16.57") of precipitation.Snowfall
January through March, October through December are months with snowfall in Biely Kostol. In December, in Biely Kostol, it is snowing for 5 days. Throughout December, 39mm (1.54") of snow is accumulated. Throughout the year, in Biely Kostol, there are 23.8 snowfall days, and 230mm (9.06") of snow is accumulated.Daylight
December has the shortest days of the year in Biely Kostol, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 07:20 and sunset at 15:57. On the last day of the month, sunrise is at 07:41 and sunset at 16:05 CET.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Biely Kostol, Slovakia
- Average high temperature in December: 2.9°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in December: -1.6°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 (-3.5°C).
Average pressure in December
Biely Kostol, Slovakia
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is June (1014.7mbar).
Average wind speed in December
Biely Kostol, Slovakia
- Average wind speed in December: 12km/h
The windiest months (with the highest average wind speed) are February and March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Biely Kostol, Slovakia
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Biely Kostol, Slovakia
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Biely Kostol, Slovakia
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Biely Kostol, Slovakia
- Average snowfall in December: 39mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Biely Kostol, Slovakia
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Biely Kostol, Slovakia
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Biely Kostol, Slovakia
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in December
Biely Kostol, Slovakia
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Biely Kostol, Slovakia
- Average cloud cover in December: 56
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Biely Kostol, Slovakia
- Average visibility in December: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and December (8km).





