In December, Petrozavodsk typically sees daytime highs of -5.1°C and overnight lows around -10.1°C. Compared to the annual average high of 5.9°C, December runs -11.0°C.
December in Petrozavodsk averages a daytime high of -5.1°C and an overnight low of -10.1°C.
December runs -11.0°C compared to Petrozavodsk's annual average high of 5.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -5.1°C and cooler evenings around -10.1°C.