Mississauga's climate is considered moderate. The summer months can bring high temperatures sometimes accompanied by high humidity levels. The average temperature in July and August is a nice 70 F; but the temperature can soar to 86 F and above and when paired with the high humidity level can make the temperature appear even warmer.

Winters in Mississauga are cold, with temperatures most often below the freezing mark. The average temperature in January and February is 21 F. Colder periods with temperatures as low as -4 F in these months are not uncommon.

On the same token, brief periods of warmer temperatures also occur on occasion throughout the winter season. The snowfall in Mississauga is relatively low compared with the rest of the province and the rest of Canada.

Mississauga Weather Forecast

5 Day Weather Forecast

Friday night Saturday Saturday night Cloudy Low 11°C A mix of sun and cloud High 23°C Cloudy periods High 23°C Sunday Monday Tuesday Sunny High 25°C Chance of showers High 20°C Sunny High 22°C

Detailed Mississauga Weather Forecast

Toronto Pearson Int'l Airport 6:00 PM EDT Friday 03 July 2009

Friday night Cloudy. Becoming cloudy periods near midnight. Wind northwest 20 km/h becoming light late this evening. Low 11. Saturday A mix of sun and cloud. High 23. UV index 8 or very high. Saturday night Cloudy periods. Low 11. Sunday Sunny. High 25. Monday A mix of sun and cloud with 40 percent chance of showers. Low 15. High 20. Tuesday Sunny. Low 12. High 22.