In December, Arzamas typically sees daytime highs of -5.8°C and overnight lows around -11.7°C. Compared to the annual average high of 7.8°C, December runs -13.6°C.
December in Arzamas averages a daytime high of -5.8°C and an overnight low of -11.7°C.
December runs -13.6°C compared to Arzamas's annual average high of 7.8°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -5.8°C and cooler evenings around -11.7°C.