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
The average high-temperature slightly decreases in December, shifting from a cool 11.2°C (52.2°F) in November to a frosty 6.6°C (43.9°F). During December nights, Grgarske Ravne records an average temperature of 1.1°C (34°F).Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 88mm (3.46") of precipitation is accumulated. Throughout the year, there are 174.2 rainfall days, and 1045mm (41.14") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 1.3 days. Throughout December, 18mm (0.71") of snow is accumulated. In Grgarske Ravne, during the entire year, snow falls for 6.1 days and aggregates up to 78mm (3.07") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:27 and sunset at 16:21. On the last day of the month, sunrise is at 07:47 and sunset at 16:29 CET.
Sunshine
In December, the average sunshine is 5.5h.UV index
January, 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 vulnerability from exposure to the Sun's UV rays for the average person.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. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December in Grgarske Ravne?
Average temperature in December
Grgarske Ravne, Slovenia
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 1.1°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in December
Grgarske Ravne, Slovenia
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1014.8mbar).
Average wind speed in December
Grgarske Ravne, Slovenia
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest month (with the lowest average wind speed) is December (7.3km/h).
Average humidity in December
Grgarske Ravne, Slovenia
- Average humidity in December: 80%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Grgarske Ravne, Slovenia
- Average rainfall in December: 88mm
The wettest month (with the highest rainfall) is November (164mm).
The driest month (with the least rainfall) is January (61mm).
Average rainfall days in December
Grgarske Ravne, Slovenia
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (11.4 days).
Average snowfall in December
Grgarske Ravne, Slovenia
- Average snowfall in December: 18mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grgarske Ravne, Slovenia
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (2 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
Grgarske Ravne, Slovenia
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are February and November (Average sunshine: 5h and 12min).
Average sunshine days in December
Grgarske Ravne, Slovenia
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is August (17 days).
The month with the least sunshine days is May (7.2 days).
Average UV index in December
Grgarske Ravne, Slovenia
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Grgarske Ravne, Slovenia
- Average cloud cover in December: 41
The months with the most cloud cover are February and November (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Grgarske Ravne, Slovenia
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is November (8km).
