Best Time to Visit Mississauga
Best time: Jun, Jul, Aug, Sep.
Jul is warmest (26.9°C high); Jul is rainiest (80 mm).
Mississauga weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -1.5 | -9.2 | 62 | 2.3 |
| Feb | -0.6 | -8.5 | 48 | 3.8 |
| Mar | 4.3 | -3.9 | 57 | 5.6 |
| Apr | 11.3 | 1.9 | 72 | 7.3 |
| May | 18.5 | 7.9 | 79 | 8.8 |
| Jun | 23.8 | 13 | 71 | 9.7 |
| Jul | 26.9 | 16.1 | 80 | 9.6 |
| Aug | 25.9 | 15.6 | 75 | 8.2 |
| Sep | 21.6 | 11.7 | 76 | 6.3 |
| Oct | 14.5 | 5.6 | 63 | 4 |
| Nov | 7.9 | 0.8 | 72 | 2.2 |
| Dec | 1.8 | -5.2 | 63 | 1.8 |
Average high temperature
Best months by activity
Overall: JunJulAugSep
Beaches: JulAugJun
Hiking: JunMayOctAug
Sightseeing: JunJulAugMay
Mississauga quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Mississauga?
Jun, Jul, Aug, Sep.
What is the rainiest month?
Jul, about 80 mm.
What is the warmest month?
Jul, with average highs of 26.9°C.
Where to stay
Book Mississauga hotels · Mississauga tours & activities
All destinations · Best time to visit Toronto · Best time to visit Abbotsford · Best time to visit Ahuntsic-Cartierville · Best time to visit Ajax
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.