In July, Saint Joseph typically sees daytime highs of 31.3°C and overnight lows around 18.8°C. Compared to the annual average high of 17.6°C, July runs +13.7°C.
July in Saint Joseph averages a daytime high of 31.3°C and an overnight low of 18.8°C.
July runs +13.7°C compared to Saint Joseph's annual average high of 17.6°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 31.3°C and cooler evenings around 18.8°C.