December weather forecastBostina, Bulgaria
December weather for Bostina, Bulgaria: The month with the shortest days in Bostina is December, with an average of 9h and 12min of daylight. In Bostina, during December, snow falls for 10.5 days and regularly aggregates up to 292mm (11.5") of snow.
December
Weather in December
The first month of the winter, December, is also an icy month in Bostina, Bulgaria, with temperature in the range of an average high of 5.1°C (41.2°F) and an average low of -1.9°C (28.6°F).Temperature
Bostina's weather in December involves a decrease in the average high-temperature, moving down from November's cool 10.7°C (51.3°F) to an icy 5.1°C (41.2°F). In the month of December, Bostina records a consistent average low-temperature of -1.9°C (28.6°F).Humidity
In December, the average relative humidity is 79%.Rainfall
In Bostina, in December, during 7 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, there are 159.7 rainfall days, and 826mm (32.52") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Bostina. In December, in Bostina, it is snowing for 10.5 days. Throughout December, 292mm (11.5") of snow is accumulated. Throughout the year, in Bostina, there are 56.7 snowfall days, and 1775mm (69.88") of snow is accumulated.Daylight
The month with the shortest days in Bostina is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 07:28 and sunset at 16:51. On the last day of the month, sunrise is at 07:47 and sunset at 17:00 EET.
Sunshine
The average sunshine in December in Bostina is 5.7h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bostina, Bulgaria
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in December
Bostina, Bulgaria
- Average pressure in December: 1020.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is July (1012.9mbar).
Average wind speed in December
Bostina, Bulgaria
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is March (7.5km/h).
The calmest month (with the lowest average wind speed) is October (5.7km/h).
Average humidity in December
Bostina, Bulgaria
- Average humidity in December: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Bostina, Bulgaria
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is June (126mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in December
Bostina, Bulgaria
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in December
Bostina, Bulgaria
- Average snowfall in December: 292mm
The month with the highest snowfall is January (409mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bostina, Bulgaria
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bostina, Bulgaria
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Bostina, Bulgaria
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in December
Bostina, Bulgaria
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Bostina, Bulgaria
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Bostina, Bulgaria
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).





