In January, Turku typically sees daytime highs of -3.1°C and overnight lows around -8.9°C. Compared to the annual average high of 8.4°C, January runs -11.5°C.
January in Turku averages a daytime high of -3.1°C and an overnight low of -8.9°C.
January runs -11.5°C compared to Turku's annual average high of 8.4°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -3.1°C and cooler evenings around -8.9°C.