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
A subtle shift in Celje's weather is observed as November turns into December, with the average high temperature reducing from a frosty 9.1°C (48.4°F) to a cold 4.3°C (39.7°F). Celje observes an average nighttime low-temperature of -1.6°C (29.1°F) during the month of December.Humidity
In December, the average relative humidity is 85%.Rainfall
In Celje, Slovenia, in December, it is raining for 9.9 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 179.3 rainfall days, and 854mm (33.62") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Celje, in December, snow falls for 4.9 days, with typically accumulated 81mm (3.19") of snow. In Celje, Slovenia, during the entire year, snow falls for 26.3 days and aggregates up to 511mm (20.12") of snow.Daylight
December has the shortest days of the year in Celje, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:21 and sunset at 16:14. On the last day of the month, sunrise is at 07:41 and sunset at 16:22 CET.
Sunshine
In Celje, the average sunshine in December is 5.4h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Celje have in December?
When are sunrise and sunset in December in Celje?
How many hours of sunshine does Celje have in December?
What is the UV index intensity in December?
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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