In December, Ostrowiec Swietokrzyski typically sees daytime highs of 1.4°C and overnight lows around -4.3°C. Compared to the annual average high of 12.0°C, December runs -10.6°C.
December in Ostrowiec Swietokrzyski averages a daytime high of 1.4°C and an overnight low of -4.3°C.
December runs -10.6°C compared to Ostrowiec Swietokrzyski's annual average high of 12.0°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 1.4°C and cooler evenings around -4.3°C.