Typical Weather in Helena, MT in October

58° F Avg High

33° F Avg Low

2 Rainy Days

☀️ Temperature Summary

Highs in October are typically around 58°F, which is warmer than usual in Helena. You can expect overnight lows near 33°F most days. Daily high temperatures can range between 64°F and 50°F for the month of October.

October is a great time to visit Helena, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

You can expect about a 8% chance of rain for any given day in October. It's one of the drier months of the year for Helena, with total rainfall for the month around 1 inches.