In July, Lowell typically sees daytime highs of 28.2°C and overnight lows around 15.4°C. Compared to the annual average high of 15.0°C, July runs +13.2°C.
July in Lowell averages a daytime high of 28.2°C and an overnight low of 15.4°C.
July runs +13.2°C compared to Lowell's annual average high of 15.0°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.2°C and cooler evenings around 15.4°C.