Climate almanac
Semily
Liberec Region, Czechia · 50.60°, 15.34°
What is the weather like in Semily in January?
In January, Semily is typically 36°F (2°C) during the day and 27°F (-3°C) at night. The month brings about 2.6 in (67 mm) of precipitation in total. Snowfall averages about 9.3 in (236 mm) over the month.
- Average high36°F (2°C)
- Average low27°F (-3°C)
- Precipitation2.6 in (67 mm)
- Clear or mostly clear days3
- Snowfall9.3 in (236 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)