In August, Tallinn typically sees daytime highs of 19.5°C and overnight lows around 11.6°C. Compared to the annual average high of 8.1°C, August runs +11.4°C.
August in Tallinn averages a daytime high of 19.5°C and an overnight low of 11.6°C.
August runs +11.4°C compared to Tallinn's annual average high of 8.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 19.5°C and cooler evenings around 11.6°C.