Climate almanac
Harlan
Iowa, United States · 41.65°, -95.33°
What is the weather like in Harlan in January?
In January, Harlan is typically 31°F (0°C) during the day and 16°F (-9°C) at night. The month brings about 1.3 in (32 mm) of precipitation in total. Snowfall averages about 6.5 in (165 mm) over the month.
- Average high31°F (0°C)
- Average low16°F (-9°C)
- Precipitation1.3 in (32 mm)
- Clear or mostly clear days8
- Snowfall6.5 in (165 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)