In June, Dartmouth typically sees daytime highs of 18.5°C and overnight lows around 8.9°C. Compared to the annual average high of 10.5°C, June runs +8.0°C.
June in Dartmouth averages a daytime high of 18.5°C and an overnight low of 8.9°C.
June runs +8.0°C compared to Dartmouth's annual average high of 10.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.5°C and cooler evenings around 8.9°C.