Climate almanac
Helena
Montana, United States · 46.59°, -112.04°
What is the weather like in Helena in October?
In October, Helena is typically 53°F (12°C) during the day and 33°F (0°C) at night. The month brings about 1.9 in (47 mm) of precipitation in total. Snowfall averages about 5.2 in (132 mm) over the month.
- Average high53°F (12°C)
- Average low33°F (0°C)
- Precipitation1.9 in (47 mm)
- Clear or mostly clear days11
- Snowfall5.2 in (132 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)