Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's cool 11°C (51.8°F) to an icy 4.4°C (39.9°F). Nighttime temperature in Kostinbrod experiences an average drop to a subzero cold -2.5°C (27.5°F) in December.Humidity
In December, the average relative humidity is 81%.Rainfall
In December, in Kostinbrod, the rain falls for 9.5 days. Throughout December, 26mm (1.02") of precipitation is accumulated. In Kostinbrod, during the entire year, the rain falls for 154.2 days and collects up to 481mm (18.94") of precipitation.Snowfall
January through April, October through December are months with snowfall in Kostinbrod, Bulgaria. In December, it is snowing for 7.5 days. Throughout December, 74mm (2.91") of snow is accumulated. Throughout the year, there are 33 snowfall days, and 419mm (16.5") of snow is accumulated.Daylight
December has the shortest days of the year in Kostinbrod, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 07:38 and sunset at 16:54. On the last day of December, in Kostinbrod, sunrise is at 07:57 and sunset at 17:02 EET.
Sunshine
In December, the average sunshine is 5.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 during December translates 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. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
Is December cold in Kostinbrod?
What is the average humidity in December in Kostinbrod?
How much does it rain in Kostinbrod in December?
How much does it snow in Kostinbrod in December?
What is the month with the shortest days in Kostinbrod?
What is the average length of the day in December in Kostinbrod?
When are sunrise and sunset in December in Kostinbrod?
How many hours of sunshine does Kostinbrod have in December?
What is the month with the lowest UV index in Kostinbrod?
What is the UV index reading in December in Kostinbrod?
Average temperature in December
Kostinbrod, Bulgaria
- Average high temperature in December: 4.4°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 (2.3°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (-5.2°C).
Average pressure in December
Kostinbrod, Bulgaria
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The months with the lowest atmospheric pressure are May, June and July (1013.9mbar).
Average wind speed in December
Kostinbrod, Bulgaria
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in December
Kostinbrod, Bulgaria
- Average humidity in December: 81%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Kostinbrod, Bulgaria
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is June (76mm).
The driest month (with the least rainfall) is February (21mm).
Average rainfall days in December
Kostinbrod, Bulgaria
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Kostinbrod, Bulgaria
- Average snowfall in December: 74mm
The month with the highest snowfall is January (106mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Kostinbrod, Bulgaria
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.2 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
Kostinbrod, Bulgaria
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 4min
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 12min).
Average sunshine days in December
Kostinbrod, Bulgaria
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in December
Kostinbrod, 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, November and December (UV index 2).
Average cloud cover in December
Kostinbrod, Bulgaria
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Kostinbrod, Bulgaria
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
Kostinbrod, Bulgaria
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