Climate almanac
Duncan
Oklahoma, United States · 34.50°, -97.96°
What is the weather like in Duncan in January?
In January, Duncan is typically 54°F (12°C) during the day and 32°F (0°C) at night. The month brings about 1.6 in (41 mm) of precipitation in total. Snowfall averages about 1.4 in (35 mm) over the month.
- Average high54°F (12°C)
- Average low32°F (0°C)
- Precipitation1.6 in (41 mm)
- Clear or mostly clear days15
- Snowfall1.4 in (35 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)