Climate almanac
Duncan
Oklahoma, United States · 34.50°, -97.96°
What is the weather like in Duncan in August?
In August, Duncan is typically 96°F (35°C) during the day and 74°F (24°C) at night. The month brings about 1.9 in (49 mm) of precipitation in total.
- Average high96°F (35°C)
- Average low74°F (24°C)
- Precipitation1.9 in (49 mm)
- Clear or mostly clear days17
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)