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April in Mississauga typically sees daytime highs of 11°C (52°F) and nighttime lows of 2°C (36°F). As the wettest month of the year, expect more rainfall than other months.
If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Mississauga.
Pick a month to see the average temperature, rainfall and sunshine in Mississauga - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Mississauga typically rise from around 8°C (46°F) at the start of April to approximately 14°C (57°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 6°C (43°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Mississauga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Mississauga.
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in April →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Mississauga climate overview or explore weather in Canada.
Where to go in April - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
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