In December, Olomouc typically sees daytime highs of 1.0°C and overnight lows around -3.6°C. Compared to the annual average high of 11.4°C, December runs -10.4°C.
December in Olomouc averages a daytime high of 1.0°C and an overnight low of -3.6°C.
December runs -10.4°C compared to Olomouc's annual average high of 11.4°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 1.0°C and cooler evenings around -3.6°C.