In June, Mount Vernon typically sees daytime highs of 26.1°C and overnight lows around 15.5°C. Compared to the annual average high of 16.1°C, June runs +10.0°C.
June in Mount Vernon averages a daytime high of 26.1°C and an overnight low of 15.5°C.
June runs +10.0°C compared to Mount Vernon's annual average high of 16.1°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 26.1°C and cooler evenings around 15.5°C.