December weather forecastOrlyane, Bulgaria
December
Weather in December
December, the first month of the winter in Orlyane, is also an icy month, with an average temperature varying between -1°C (30.2°F) and 5.1°C (41.2°F).Temperature
A shift in Orlyane's weather is observed as November turns into December, with the average high temperature reducing from a cool 11.9°C (53.4°F) to an icy 5.1°C (41.2°F). In the month of December, the average temperature dips to a freezing cold -1°C (30.2°F) during the night.Humidity
In December, the average relative humidity in Orlyane is 79%.Rainfall
In Orlyane, in December, during 9.5 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Orlyane, during the entire year, the rain falls for 152.5 days and collects up to 601mm (23.66") of precipitation.Snowfall
January through April, October through December are months with snowfall in Orlyane. In December, in Orlyane, it is snowing for 6.3 days. Throughout December, 111mm (4.37") of snow is accumulated. Throughout the year, there are 27.5 snowfall days, and 612mm (24.09") of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:34 and sunset at 16:48. On the last day of the month, sunrise is at 07:53 and sunset at 16:56 EET.
Sunshine
In Orlyane, the average sunshine in December 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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Orlyane, Bulgaria
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Orlyane, Bulgaria
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Orlyane, Bulgaria
- Average wind speed in December: 8.7km/h
The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is November (7.7km/h).
Average humidity in December
Orlyane, Bulgaria
- Average humidity in December: 79%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Orlyane, Bulgaria
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is June (92mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in December
Orlyane, Bulgaria
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Orlyane, Bulgaria
- Average snowfall in December: 111mm
The month with the highest snowfall is February (181mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Orlyane, Bulgaria
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (8.5 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
Orlyane, Bulgaria
- Average daylight in December: 9h and 6min
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 36min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Orlyane, Bulgaria
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in December
Orlyane, Bulgaria
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Orlyane, Bulgaria
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Orlyane, Bulgaria
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
