December weather forecastRuen, Bulgaria
December
Weather in December
December, the first month of the winter in Ruen, is also a frosty month, with an average temperature varying between 8.2°C (46.8°F) and 3.8°C (38.8°F).Temperature
The shift from November to December corresponds with a decrease in the average high-temperature, down to a frosty 8.2°C (46.8°F) from a moderate 13.6°C (56.5°F). Ruen encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of 3.8°C (38.8°F).Humidity
The average relative humidity in December in Ruen is 77%.Rainfall
In Ruen, during December, the rain falls for 11.3 days and regularly aggregates up to 27mm (1.06") of precipitation. In Ruen, during the entire year, the rain falls for 130.9 days and collects up to 355mm (13.98") of precipitation.Snowfall
Months with snowfall in Ruen are January through March and December. December is the first month it typically snows in Ruen. Throughout December, in the average 1.8 snowfall days, it receives 12mm (0.47") of snow. Throughout the year, in Ruen, there are 10.1 snowfall days, and 51mm (2.01") of snow is accumulated.Daylight
The month with the shortest days in Ruen is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 07:22 and sunset at 16:37. On the last day of December, sunrise is at 07:41 and sunset at 16:46 EET.
Sunshine
The average sunshine in December in Ruen is 5.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Ruen. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ruen, Bulgaria
- Average high temperature in December: 8.2°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 3.8°C
The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Ruen, Bulgaria
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).
Average wind speed in December
Ruen, Bulgaria
- Average wind speed in December: 17km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest months (with the lowest average wind speed) are June and July (11.6km/h).
Average humidity in December
Ruen, Bulgaria
- Average humidity in December: 77%
The months with the highest relative humidity are January and February (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Ruen, Bulgaria
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in December
Ruen, Bulgaria
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in December
Ruen, Bulgaria
- Average snowfall in December: 12mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Ruen, Bulgaria
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (4.5 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
Ruen, 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 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Ruen, Bulgaria
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Ruen, Bulgaria
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Ruen, 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 12).
Average visibility in December
Ruen, Bulgaria
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
