In July, Acton typically sees daytime highs of 20.9°C and overnight lows around 12.1°C. Compared to the annual average high of 13.4°C, July runs +7.5°C.
July in Acton averages a daytime high of 20.9°C and an overnight low of 12.1°C.
July runs +7.5°C compared to Acton's annual average high of 13.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 20.9°C and cooler evenings around 12.1°C.