In July, Port Arthur typically sees daytime highs of 31.6°C and overnight lows around 24.3°C. Compared to the annual average high of 24.3°C, July runs +7.3°C.
July in Port Arthur averages a daytime high of 31.6°C and an overnight low of 24.3°C.
July runs +7.3°C compared to Port Arthur's annual average high of 24.3°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 31.6°C and cooler evenings around 24.3°C.