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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a chilly 9.1°C (48.4°F) in November to an icy 4.3°C (39.7°F). During December, Harje's temperature falls to a steady low-temperature average of -1.6°C (29.1°F).Humidity
In December, the average relative humidity is 85%.Rainfall
In December, in Harje, the rain falls for 9.9 days. Throughout December, 46mm (1.81") of precipitation is accumulated. In Harje, during the entire year, the rain falls for 179.3 days and collects up to 854mm (33.62") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Harje, in December, during 4.9 snowfall days, 81mm (3.19") of snow is typically accumulated. Throughout the year, there are 26.3 snowfall days, and 511mm (20.12") of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Harje, Slovenia.On the first day of December, sunrise is at 07:21 and sunset at 16:15. On the last day of the month, sunrise is at 07:41 and sunset at 16:23 CET.
Sunshine
In December, the average sunshine in Harje is 5.4h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Harje during December?
What is the average humidity in December in Harje?
How many days does it rain in December in Harje?
How much does it snow in Harje in December?
What is the month with the shortest days in Harje?
How many hours of daylight does Harje have in December?
When are sunrise and sunset in December in Harje?
How long on average sun shines in December in Harje?
What is the UV index intensity in December in Harje?
Average temperature in December
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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).
