In July, Sundsvall typically sees daytime highs of 20.0°C and overnight lows around 10.5°C. Compared to the annual average high of 7.5°C, July runs +12.5°C.
July in Sundsvall averages a daytime high of 20.0°C and an overnight low of 10.5°C.
July runs +12.5°C compared to Sundsvall's annual average high of 7.5°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 20.0°C and cooler evenings around 10.5°C.