December weather forecastMercina, Romania
December
Weather in December
December, the first month of the winter in Mercina, is still a cold month, with temperature in the range of an average low of -1.6°C (29.1°F) and an average high of 4°C (39.2°F).Temperature
As Mercina enters December, the average high-temperature decreases from the a cool 11.1°C (52°F) of November to an icy 4°C (39.2°F). In Mercina, in December, the average low-temperature is a freezing cold -1.6°C (29.1°F).Humidity
In December, the average relative humidity in Mercina is 84%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 130.4 rainfall days, and 395mm (15.55") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 6.5 days. Throughout December, 101mm (3.98") of snow is accumulated. Throughout the year, in Mercina, there are 28.4 snowfall days, and 343mm (13.5") of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Mercina, Romania.On the first day of the month, sunrise is at 07:52 and sunset at 16:53. On the last day of December, in Mercina, sunrise is at 08:12 and sunset at 17:01 EET.
Sunshine
In Mercina, the average sunshine in December is 4.9h.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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mercina, Romania
- Average high temperature in December: 4°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in December
Mercina, Romania
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).
Average wind speed in December
Mercina, Romania
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is July (8km/h).
Average humidity in December
Mercina, Romania
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Mercina, Romania
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Mercina, Romania
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in December
Mercina, Romania
- Average snowfall in December: 101mm
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
Mercina, Romania
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (9.6 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
Mercina, Romania
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Mercina, Romania
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Mercina, Romania
- 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
Mercina, Romania
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Mercina, Romania
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).





