In August, Vantaa typically sees daytime highs of 19.6°C and overnight lows around 10.6°C. Compared to the annual average high of 7.9°C, August runs +11.8°C.
August in Vantaa averages a daytime high of 19.6°C and an overnight low of 10.6°C.
August runs +11.8°C compared to Vantaa's annual average high of 7.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 19.6°C and cooler evenings around 10.6°C.