Last updated: August 27, 2025
In December, the average temperature in Horjul, Slovenia hovers around 2°C (35°F), with a minimum drop to -14°C (7°F) and a maximum peaking at 13°C (56°F). Expect about 138 mm (5.4 in) of precipitation over 10 days, contributing to a notably high average humidity of 88%. Prepare for a chilly and damp experience!
In December in Horjul, the average temperature is 2°C (35°F), with maximums reaching 13°C (56°F) and minimums plummeting to -14°C (7°F). It’s advisable to prepare for chilly weather and pack layers if you plan to travel during this time.
In Horjul in December, the precipitation amount is 138 mm (5.4 in) over a span of 10 days.
In Horjul in December, humidity is 88%. With an average temperature of 2°C (35°F), this humidity feels like you're wrapped in a cold, damp blanket, making outdoor activities uncomfortable and travel challenging due to the chill seeping into your bones.
In Horjul in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Horjul, you can visit Hourly UV Index in Horjul.
UV Risk Categories
Weather in Horjul varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Horjul, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 59 mm (2.3 inches) | 88% | low |
| February Weather | 3°C (38°F) | 105 mm (4.2 inches) | 82% | moderate |
| March Weather | 5°C (42°F) | 86 mm (3.4 inches) | 73% | moderate |
| April Weather | 10°C (50°F) | 110 mm (4.3 inches) | 73% | high |
| May Weather | 14°C (57°F) | 188 mm (7.4 inches) | 70% | very high |
| June Weather | 19°C (67°F) | 106 mm (4.2 inches) | 69% | very high |
| July Weather | 20°C (68°F) | 123 mm (4.8 inches) | 63% | very high |
| August Weather | 20°C (69°F) | 123 mm (4.8 inches) | 51% | very high |
| September Weather | 15°C (60°F) | 183 mm (7.2 inches) | 64% | high |
| October Weather | 11°C (52°F) | 110 mm (4.3 inches) | 83% | moderate |
| November Weather | 6°C (43°F) | 162 mm (6.4 inches) | 89% | moderate |
| December Weather | 2°C (35°F) | 138 mm (5.4 inches) | 88% | low |