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
In Opan, the beginning of December is marked by a lowered average high-temperature, shifting from November's moderate 14°C (57.2°F) to a frosty 8°C (46.4°F). During December, the temperature tends to dip to an average of 1.2°C (34.2°F) at night.Humidity
In December, the average relative humidity in Opan is 77%.Rainfall
In Opan, during December, the rain falls for 8.3 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 115.6 rainfall days, and 378mm (14.88") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Opan, in December, during 3.6 snowfall days, 72mm (2.83") of snow is typically accumulated. Throughout the year, there are 15.2 snowfall days, and 315mm (12.4") of snow is accumulated.Daylight
The month with the shortest days in Opan, Bulgaria, is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 07:26 and sunset at 16:46. On the last day of December, sunrise is at 07:45 and sunset at 16:55 EET.
Sunshine
The average sunshine in December is 5.5h.UV index
The months with the lowest UV index in Opan are January, February 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 rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Opan in December?
What is the average humidity in December in Opan?
How many days does it rain in December in Opan?
How many days does it snow in December in Opan?
What is the month with the shortest days in Opan?
How many hours of daylight does Opan have in December?
What time are sunrise and sunset in December in Opan?
How many hours of sunshine does Opan have in December?
What are the months with the lowest UV index in Opan?
What is the UV index reading in December in Opan?
Average temperature in December
Opan, Bulgaria
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in December
Opan, 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 (1012.7mbar).
Average wind speed in December
Opan, Bulgaria
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is October (7.4km/h).
Average humidity in December
Opan, Bulgaria
- Average humidity in December: 77%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Opan, Bulgaria
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in December
Opan, Bulgaria
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in December
Opan, Bulgaria
- Average snowfall in December: 72mm
The month with the highest snowfall is January (95mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Opan, Bulgaria
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Opan, Bulgaria
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Opan, Bulgaria
- Average sunshine days in December: 19 days
The month with the most sunshine days is August (23.6 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in December
Opan, Bulgaria
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Opan, Bulgaria
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Opan, Bulgaria
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
