Climate almanac
Postojna
Municipality of Postojna, Slovenia · 45.77°, 14.22°
What is the weather like in Postojna in December?
In December, Postojna is typically 42°F (5°C) during the day and 31°F (-1°C) at night. The month brings about 4.9 in (125 mm) of precipitation in total. Snowfall averages about 8.3 in (212 mm) over the month.
- Average high42°F (5°C)
- Average low31°F (-1°C)
- Precipitation4.9 in (125 mm)
- Clear or mostly clear days8
- Snowfall8.3 in (212 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)