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
Weather in December
Temperature
December's onset brings a slight change in high-temperatures, falling from a chilly 9.9°C (49.8°F) in November to a wintry 4.9°C (40.8°F). During the month of December, Črnomelj's nighttime temperature lowers to an average of -1.1°C (30°F).Humidity
In Črnomelj, the average relative humidity in December is 86%.Rainfall
In December, in Črnomelj, the rain falls for 11 days. Throughout December, 55mm (2.17") of precipitation is accumulated. Throughout the year, there are 159.4 rainfall days, and 758mm (29.84") of precipitation is accumulated.Snowfall
Months with snowfall in Črnomelj are January through April, October through December. In December, it is snowing for 5.4 days. Throughout December, 129mm (5.08") of snow is accumulated. In Črnomelj, during the entire year, snow falls for 28.3 days and aggregates up to 575mm (22.64") of snow.Daylight
December has the shortest days of the year in Črnomelj, Slovenia, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 07:19 and sunset at 16:17. On the last day of the month, sunrise is at 07:39 and sunset at 16:25 CET.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold does it get in Črnomelj in December?
What is the average humidity in December in Črnomelj?
How much does it rain in Črnomelj in December?
How many days does it snow in December in Črnomelj?
What is the month with the shortest days in Črnomelj?
How many hours of daylight does Črnomelj have in December?
When is the sunrise / sunset in December in Črnomelj?
How many hours of sunshine does Črnomelj have in December?
What is the month with the lowest UV index in Črnomelj?
What is the UV index reading in December in Črnomelj?
Average temperature in December
Črnomelj, Slovenia
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in December: -1.1°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Črnomelj, Slovenia
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are May and June (1014.8mbar).
Average wind speed in December
Črnomelj, Slovenia
- Average wind speed in December: 6.3km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Črnomelj, Slovenia
- Average humidity in December: 86%
The months with the highest relative humidity are January and November (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Črnomelj, Slovenia
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in December
Črnomelj, Slovenia
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in December
Črnomelj, Slovenia
- Average snowfall in December: 129mm
The month with the highest snowfall is February (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Črnomelj, Slovenia
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (9 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
Črnomelj, Slovenia
- Average daylight in December: 8h and 5min
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 0min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Črnomelj, Slovenia
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in December
Črnomelj, Slovenia
- 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, November and December (UV index 2).
Average cloud cover in December
Črnomelj, Slovenia
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Črnomelj, Slovenia
- Average visibility in December: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).
Črnomelj, Slovenia
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