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
The move into December indicates a slight reduction in the average high-temperature, down from November's frosty 9.1°C (48.4°F) to a cold 4.3°C (39.7°F). During December, Celje records an average temperature of -1.6°C (29.1°F) at night.Humidity
The average relative humidity in December is 85%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 46mm (1.81") of precipitation is accumulated. In Celje, during the entire year, the rain falls for 179.3 days and collects up to 854mm (33.62") of precipitation.Snowfall
January through April, October through December are months with snowfall. In Celje, during December, snow falls for 4.9 days and regularly aggregates up to 81mm (3.19") of snow. Throughout the year, there are 26.3 snowfall days, and 511mm (20.12") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:21 and sunset at 16:14. On the last day of December, sunrise is at 07:41 and sunset at 16:22 CET.
Sunshine
In December, the average sunshine is 5.4h.UV index
In December, the average daily maximum UV index in Celje is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Celje?
What is the average humidity in December in Celje?
How many days does it rain in December in Celje?
How many days does it snow in December in Celje?
What is the month with the shortest days in Celje?
What is the average length of the day in December in Celje?
What time are sunrise and sunset in December in Celje?
How long on average sun shines in December in Celje?
What is the UV index intensity in December in Celje?
Average temperature in December
Celje, Slovenia
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Celje, Slovenia
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May and June (1015mbar).
Average wind speed in December
Celje, Slovenia
- Average wind speed in December: 6.4km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in December
Celje, Slovenia
- Average humidity in December: 85%
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Celje, Slovenia
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in December
Celje, Slovenia
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Celje, Slovenia
- Average snowfall in December: 81mm
The month with the highest snowfall is February (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Celje, Slovenia
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (8.6 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
Celje, 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 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Celje, Slovenia
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is May (5.9 days).
Average UV index in December
Celje, 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 and November (UV index 1).
Average cloud cover in December
Celje, Slovenia
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Celje, 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).
Celje, Slovenia
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