In April, Turku typically sees daytime highs of 6.7°C and overnight lows around -1.5°C. Compared to the annual average high of 8.4°C, April runs -1.6°C.
April in Turku averages a daytime high of 6.7°C and an overnight low of -1.5°C.
April runs -1.6°C compared to Turku's annual average high of 8.4°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 6.7°C and cooler evenings around -1.5°C.