Climate almanac
Denison
Iowa, United States · 42.02°, -95.36°
What is the weather like in Denison in October?
In October, Denison is typically 64°F (18°C) during the day and 44°F (7°C) at night. The month brings about 3.1 in (80 mm) of precipitation in total. Snowfall averages about 0.5 in (12 mm) over the month.
- Average high64°F (18°C)
- Average low44°F (7°C)
- Precipitation3.1 in (80 mm)
- Clear or mostly clear days15
- Snowfall0.5 in (12 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)