In August, Ust'-Ilimsk typically sees daytime highs of 20.6°C and overnight lows around 8.5°C. Compared to the annual average high of 2.7°C, August runs +17.9°C.
August in Ust'-Ilimsk averages a daytime high of 20.6°C and an overnight low of 8.5°C.
August runs +17.9°C compared to Ust'-Ilimsk's annual average high of 2.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 20.6°C and cooler evenings around 8.5°C.