In June, Trieste typically sees daytime highs of 23.3°C and overnight lows around 13.4°C. Compared to the annual average high of 15.7°C, June runs +7.7°C.
June in Trieste averages a daytime high of 23.3°C and an overnight low of 13.4°C.
June runs +7.7°C compared to Trieste's annual average high of 15.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 23.3°C and cooler evenings around 13.4°C.