In December, Sloviansk typically sees daytime highs of -0.1°C and overnight lows around -5.8°C. Compared to the annual average high of 12.9°C, December runs -13.0°C.
December in Sloviansk averages a daytime high of -0.1°C and an overnight low of -5.8°C.
December runs -13.0°C compared to Sloviansk's annual average high of 12.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -0.1°C and cooler evenings around -5.8°C.