In August, Petrozavodsk typically sees daytime highs of 18.8°C and overnight lows around 10.5°C. Compared to the annual average high of 5.9°C, August runs +12.9°C.
August in Petrozavodsk averages a daytime high of 18.8°C and an overnight low of 10.5°C.
August runs +12.9°C compared to Petrozavodsk's annual average high of 5.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 18.8°C and cooler evenings around 10.5°C.