In January, Skien typically sees daytime highs of -0.9°C and overnight lows around -5.8°C. Compared to the annual average high of 9.6°C, January runs -10.4°C.
January in Skien averages a daytime high of -0.9°C and an overnight low of -5.8°C.
January runs -10.4°C compared to Skien's annual average high of 9.6°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -0.9°C and cooler evenings around -5.8°C.