In December, Sibiu typically sees daytime highs of 3.3°C and overnight lows around -3.5°C. Compared to the annual average high of 14.2°C, December runs -10.9°C.
December in Sibiu averages a daytime high of 3.3°C and an overnight low of -3.5°C.
December runs -10.9°C compared to Sibiu's annual average high of 14.2°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 3.3°C and cooler evenings around -3.5°C.