In January, Gniezno typically sees daytime highs of -0.3°C and overnight lows around -5.5°C. Compared to the annual average high of 11.9°C, January runs -12.2°C.
January in Gniezno averages a daytime high of -0.3°C and an overnight low of -5.5°C.
January runs -12.2°C compared to Gniezno's annual average high of 11.9°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -0.3°C and cooler evenings around -5.5°C.