In August, Siauliai typically sees daytime highs of 21.1°C and overnight lows around 11.2°C. Compared to the annual average high of 9.6°C, August runs +11.5°C.
August in Siauliai averages a daytime high of 21.1°C and an overnight low of 11.2°C.
August runs +11.5°C compared to Siauliai's annual average high of 9.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.1°C and cooler evenings around 11.2°C.