Climate almanac
Olean
New York, United States · 42.08°, -78.43°
What is the weather like in Olean in January?
In January, Olean is typically 32°F (0°C) during the day and 19°F (-7°C) at night. The month brings about 3.7 in (95 mm) of precipitation in total. Snowfall averages about 13 in (338 mm) over the month.
- Average high32°F (0°C)
- Average low19°F (-7°C)
- Precipitation3.7 in (95 mm)
- Clear or mostly clear days1
- Snowfall13 in (338 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)