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
December
Weather in December
Temperature
The move into December indicates a reduction in the average high-temperature, down from November's refreshing 14.9°C (58.8°F) to a frosty 9.6°C (49.3°F). December in Grivka, Bulgaria, witnesses an average low-temperature hovering around a cold 3.8°C (38.8°F).Humidity
In Grivka, the average relative humidity in December is 75%.Rainfall
In December, in Grivka, the rain falls for 11.8 days. Throughout December, 48mm (1.89") of precipitation is accumulated. Throughout the year, in Grivka, there are 125.1 rainfall days, and 481mm (18.94") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Grivka. December is the first month it typically snows in Grivka. Throughout December, in the average 0.9 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, in Grivka, there are 5.3 snowfall days, and 41mm (1.61") of snow is accumulated.Daylight
December has the shortest days of the year in Grivka, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 07:24 and sunset at 16:49. On the last day of December, sunrise is at 07:43 and sunset at 16:58 EET.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
The months with the lowest UV index in Grivka are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grivka in December?
What is the average humidity in December in Grivka?
How many days does it rain in December in Grivka?
When does it start to snow in Grivka?
What is the month with the shortest days in Grivka?
How many hours of daylight does Grivka have in December?
What time are sunrise and sunset in December in Grivka?
What is the month with the least sunshine in Grivka?
How long on average sun shines in December in Grivka?
What is the month with the lowest UV index in Grivka?
What is the UV index reading in December in Grivka?
Average temperature in December
Grivka, Bulgaria
- Average high temperature in December: 9.6°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in December: 3.8°C
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in December
Grivka, Bulgaria
- Average pressure in December: 1019.6mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in December
Grivka, Bulgaria
- Average wind speed in December: 11.7km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is June (9.7km/h).
Average humidity in December
Grivka, Bulgaria
- Average humidity in December: 75%
The months with the highest relative humidity are January and February (78%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Grivka, Bulgaria
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is January (77mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in December
Grivka, Bulgaria
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is March (14.7 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in December
Grivka, Bulgaria
- Average snowfall in December: 5mm
The months with the highest snowfall are January, February and March (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Grivka, Bulgaria
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grivka, Bulgaria
- Average daylight in December: 9h and 1min
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 4min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Grivka, Bulgaria
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in December
Grivka, Bulgaria
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Grivka, Bulgaria
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Grivka, Bulgaria
- Average visibility in December: 10km
The months with the highest visibility are April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March and November (9km).
