In June, Port Arthur typically sees daytime highs of 30.4°C and overnight lows around 23.1°C. Compared to the annual average high of 24.3°C, June runs +6.1°C.
June in Port Arthur averages a daytime high of 30.4°C and an overnight low of 23.1°C.
June runs +6.1°C compared to Port Arthur's annual average high of 24.3°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 23.1°C.