In July, El Cajon typically sees daytime highs of 30.3°C and overnight lows around 15.0°C. Compared to the annual average high of 23.9°C, July runs +6.4°C.
July in El Cajon averages a daytime high of 30.3°C and an overnight low of 15.0°C.
July runs +6.4°C compared to El Cajon's annual average high of 23.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 30.3°C and cooler evenings around 15.0°C.