In June, Mississauga typically sees daytime highs of 23.6°C and overnight lows around 12.2°C. Compared to the annual average high of 12.4°C, June runs +11.3°C.
June in Mississauga averages a daytime high of 23.6°C and an overnight low of 12.2°C.
June runs +11.3°C compared to Mississauga's annual average high of 12.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 23.6°C and cooler evenings around 12.2°C.