Climate almanac
Lewistown
Montana, United States · 47.06°, -109.43°
What is the weather like in Lewistown in July?
In July, Lewistown is typically 83°F (28°C) during the day and 55°F (13°C) at night. The month brings about 1.6 in (41 mm) of precipitation in total.
- Average high83°F (28°C)
- Average low55°F (13°C)
- Precipitation1.6 in (41 mm)
- Clear or mostly clear days20
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)