In August, Trieste typically sees daytime highs of 25.5°C and overnight lows around 15.0°C. Compared to the annual average high of 15.7°C, August runs +9.8°C.
August in Trieste averages a daytime high of 25.5°C and an overnight low of 15.0°C.
August runs +9.8°C compared to Trieste's annual average high of 15.7°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 25.5°C and cooler evenings around 15.0°C.