In December, Fastiv typically sees daytime highs of -0.3°C and overnight lows around -4.9°C. Compared to the annual average high of 11.7°C, December runs -11.9°C.
December in Fastiv averages a daytime high of -0.3°C and an overnight low of -4.9°C.
December runs -11.9°C compared to Fastiv's annual average high of 11.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -0.3°C and cooler evenings around -4.9°C.