Climate almanac
Ostrołęka
Mazovia, Poland · 53.09°, 21.58°
What is the weather like in Ostrołęka in December?
In December, Ostrołęka is typically 37°F (3°C) during the day and 31°F (-1°C) at night. The month brings about 2.1 in (52 mm) of precipitation in total. Snowfall averages about 4.0 in (103 mm) over the month.
- Average high37°F (3°C)
- Average low31°F (-1°C)
- Precipitation2.1 in (52 mm)
- Clear or mostly clear days1
- Snowfall4.0 in (103 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)