In July, Portsmouth Heights typically sees daytime highs of 30.7°C and overnight lows around 20.4°C. Compared to the annual average high of 20.6°C, July runs +10.1°C.
July in Portsmouth Heights averages a daytime high of 30.7°C and an overnight low of 20.4°C.
July runs +10.1°C compared to Portsmouth Heights's annual average high of 20.6°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.7°C and cooler evenings around 20.4°C.