In August, Missoula typically sees daytime highs of 25.1°C and overnight lows around 7.7°C. Compared to the annual average high of 11.0°C, August runs +14.1°C.
August in Missoula averages a daytime high of 25.1°C and an overnight low of 7.7°C.
August runs +14.1°C compared to Missoula's annual average high of 11.0°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 25.1°C and cooler evenings around 7.7°C.