December weather forecastSlănic, Romania
December
Weather in December
December, the first month of the winter in Slănic, is also an icy month, with an average temperature varying between -4.5°C (23.9°F) and 1.5°C (34.7°F).Temperature
With December's arrival, Slănic's weather changes as the average high-temperature falls from a frosty 7.7°C (45.9°F) in November to an icy 1.5°C (34.7°F). Slănic, in December, experiences an average temperature of -4.5°C (23.9°F) at night.Humidity
In December, the average relative humidity is 83%.Rainfall
In Slănic, Romania, in December, during 8.1 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Slănic, during the entire year, the rain falls for 168.8 days and collects up to 786mm (30.94") of precipitation.Snowfall
Months with snowfall are January through May, September through December. December is the month with the most snowfall in Slănic. Snow falls for 15 days and accumulates 369mm (14.53") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Slănic.On the first day of the month, sunrise is at 07:35 and sunset at 16:35. On the last day of December, in Slănic, sunrise is at 07:55 and sunset at 16:43 EET.
Sunshine
In December, the average sunshine is 5.3h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Slănic, Romania
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -4.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).
Average pressure in December
Slănic, Romania
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).
Average wind speed in December
Slănic, Romania
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Slănic, Romania
- Average humidity in December: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Slănic, Romania
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is June (132mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Slănic, Romania
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Slănic, Romania
- Average snowfall in December: 369mm
The month with the highest snowfall is December (369mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Slănic, Romania
- Average snowfall days in December: 15 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Slănic, 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: 5h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Slănic, Romania
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is May (5.5 days).
Average UV index in December
Slănic, Romania
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Slănic, Romania
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Slănic, Romania
- Average visibility in December: 8km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January and February (7km).
