In April, Sundsvall typically sees daytime highs of 6.4°C and overnight lows around -2.1°C. Compared to the annual average high of 7.5°C, April runs -1.1°C.
April in Sundsvall averages a daytime high of 6.4°C and an overnight low of -2.1°C.
April runs -1.1°C compared to Sundsvall's annual average high of 7.5°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 6.4°C and cooler evenings around -2.1°C.