In December, Warsaw typically sees daytime highs of 1.4°C and overnight lows around -3.2°C. Compared to the annual average high of 12.2°C, December runs -10.8°C.
December in Warsaw averages a daytime high of 1.4°C and an overnight low of -3.2°C.
December runs -10.8°C compared to Warsaw's annual average high of 12.2°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 1.4°C and cooler evenings around -3.2°C.