In April, Tromso typically sees daytime highs of 3.6°C and overnight lows around -3.8°C. Compared to the annual average high of 5.9°C, April runs -2.4°C.
April in Tromso averages a daytime high of 3.6°C and an overnight low of -3.8°C.
April runs -2.4°C compared to Tromso's annual average high of 5.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 3.6°C and cooler evenings around -3.8°C.