In August, Turku typically sees daytime highs of 19.8°C and overnight lows around 10.6°C. Compared to the annual average high of 8.4°C, August runs +11.4°C.
August in Turku averages a daytime high of 19.8°C and an overnight low of 10.6°C.
August runs +11.4°C compared to Turku's annual average high of 8.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 19.8°C and cooler evenings around 10.6°C.