In December, Gniezno typically sees daytime highs of 1.6°C and overnight lows around -3.0°C. Compared to the annual average high of 11.9°C, December runs -10.4°C.
December in Gniezno averages a daytime high of 1.6°C and an overnight low of -3.0°C.
December runs -10.4°C compared to Gniezno's annual average high of 11.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 1.6°C and cooler evenings around -3.0°C.