In May, Turku typically sees daytime highs of 14.2°C and overnight lows around 3.4°C. Compared to the annual average high of 8.4°C, May runs +5.8°C.
May in Turku averages a daytime high of 14.2°C and an overnight low of 3.4°C.
May runs +5.8°C compared to Turku's annual average high of 8.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 14.2°C and cooler evenings around 3.4°C.