Last updated: August 27, 2025
In December, the average temperature in Semic, Slovenia hovers around 3°C (37°F), with a minimum dip to -11°C (12°F) and a comfortable maximum reaching 17°C (63°F). Expect 108 mm (4.3 in) of precipitation spread over 10 days, accompanied by a high average humidity of 88%, creating a chilly yet vibrant atmosphere.
In December in Semic, the average temperature is 3°C (37°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -11°C (12°F). Be prepared for a range of temperatures and pack accordingly for your visit!
In Semic in December, the total precipitation amount is 108 mm (4.3 in) spread over a duration of 10 days.
In Semic in December, humidity is 88%. With an average temperature of 3°C (37°F), this humidity feels like a chilling fog that clings to your skin, making every step outside a damp and brisk challenge for travelers.
In Semic 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 Semic, you can visit Hourly UV Index in Semic.
UV Risk Categories
Weather in Semic varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Semic, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 53 mm (2.1 inches) | 89% | low |
| February Weather | 4°C (39°F) | 81 mm (3.2 inches) | 83% | moderate |
| March Weather | 6°C (44°F) | 64 mm (2.5 inches) | 75% | moderate |
| April Weather | 11°C (52°F) | 87 mm (3.4 inches) | 72% | high |
| May Weather | 15°C (59°F) | 165 mm (6.5 inches) | 70% | very high |
| June Weather | 20°C (69°F) | 105 mm (4.1 inches) | 69% | very high |
| July Weather | 21°C (71°F) | 114 mm (4.5 inches) | 64% | very high |
| August Weather | 21°C (71°F) | 106 mm (4.2 inches) | 51% | very high |
| September Weather | 16°C (61°F) | 144 mm (5.7 inches) | 62% | high |
| October Weather | 12°C (53°F) | 103 mm (4.0 inches) | 81% | moderate |
| November Weather | 7°C (44°F) | 111 mm (4.4 inches) | 87% | moderate |
| December Weather | 3°C (37°F) | 108 mm (4.3 inches) | 88% | low |