In April, Trieste typically sees daytime highs of 14.7°C and overnight lows around 5.5°C. Compared to the annual average high of 15.7°C, April runs -0.9°C.
April in Trieste averages a daytime high of 14.7°C and an overnight low of 5.5°C.
April runs -0.9°C compared to Trieste's annual average high of 15.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 14.7°C and cooler evenings around 5.5°C.