Mississauga is 3.3°C (5.9°F) warmer by day, Mississauga has 10.3°C (18.5°F) warmer nights, Quebec City gets 476 mm (18.7 in) more rain a year.
Mississauga is at its warmest in July and coolest in January, while Quebec City peaks in July and bottoms out in January. Month for month, Mississauga is the warmer of the two in 12 of 12 months.
Quebec City is the wetter of the two, collecting 1,161 mm (45.7 in) of rain a year against 685 mm (27 in) in Mississauga. The most comfortable time to visit is June, July and August in Mississauga and June, July and August in Quebec City.
| Mississauga | Metric | Quebec City |
|---|---|---|
| 🌡️ Temperature | ||
| 18°C | 🌡️Average daytime high | 14.7°C |
| -0.5°C | 🌙Average nighttime low | -10.8°C |
| July | 🔥Hottest month | July |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 685 mm | 🌧️Annual rainfall | 1,161 mm |
| July | ☔Wettest month | July |
| February | 🏜️Driest month | February |
| 💨 Climate | ||
| 78% | 💧Average humidity | 88% |
| 4.1 m/s | 💨Average wind speed | 1.3 m/s |
Overnight, Mississauga typically falls to around -0.5°C (31.1°F) while Quebec City settles near -10.8°C (12.6°F).
Mississauga is hottest in July and coldest in January, whereas Quebec City peaks in July and is coolest in January.
Mississauga sees the most rain in July and the least in February; Quebec City is wettest in July and driest in February.
Quebec City feels the more humid of the two, averaging 88% relative humidity against 78%.
For Quebec City, the pick of the year is June, July and August.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Mississauga | Quebec City | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -13.9 | -3.7❄️ | 6.5 | -32.6 | -16.2❄️ | 0.2 |
| February | -13.4 | -3.3 | 6.8 | -30.7 | -15.4 | 0 |
| March | -10.3 | 0.8 | 12 | -25.5 | -10.5 | 4.4 |
| April | -3.1 | 6.7 | 16.4 | -11.4 | 2.2 | 15.9 |
| May | 2.3 | 12.5 | 22.6 | -2.6 | 10.1 | 22.8 |
| June | 7.8 | 17.2 | 26.5 | 3.5 | 14.7 | 25.9 |
| July | 13 | 20.7🔥 | 28.5 | 7.9 | 17.3🔥 | 26.7 |
| August | 13.3 | 20.6 | 28 | 6.5 | 16.3 | 26.1 |
| September | 8.5 | 17.1 | 25.7 | 1.3 | 12.5 | 23.6 |
| October | 2.5 | 11.4 | 20.3 | -4.4 | 6.8 | 18 |
| November | -3.3 | 5.4 | 14 | -14.8 | -2 | 10.8 |
| December | -9.2 | -0.3 | 8.6 | -27 | -12.4 | 2.2 |
| Annual Avg | -0.5 | 8.8 | 18 | -10.8 | 2 | 14.7 |
Min / mean / max temperature (°C). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Mississauga and Quebec City feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Mississauga Quebec City
See how Mississauga and Quebec City stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Mississauga and Quebec City — each drawn straight from the climate figures above.
Mississauga is the warmer of the two. It averages daytime highs of 18°C (64.4°F) against 14.7°C (58.5°F) in Quebec City — roughly 3.3°C (5.9°F) warmer by day. Nights are milder in Mississauga, with average lows of -0.5°C (31.1°F) versus -10.8°C (12.6°F).
Mississauga is hottest in July, averaging highs of about 28.5°C (83.2°F), while Quebec City peaks in July at around 26.7°C (80.1°F). That makes Mississauga the hotter of the two at the height of summer.
Quebec City gets colder. In its coldest month (January) overnight lows average about -32.6°C (-26.6°F), compared with -13.9°C (7°F) at the low point of the year in Mississauga.
Quebec City is the wetter city, collecting about 1,161 mm (45.7 in) of rain a year versus 685 mm (27 in) in Mississauga. Mississauga is wettest in July and driest in February; Quebec City is wettest in July and driest in February.
Quebec City is the more humid of the two, averaging 88% relative humidity over the year against 78% in Mississauga.
The most comfortable months in Mississauga are June, July and August, when average temperatures are at their mildest.
Quebec City is at its most pleasant around June, July and August, based on the mildest average temperatures of the year.
Mississauga is the warmer city in all 12 months of the year. The gap is widest in January, about 12.5°C (22.5°F), and narrowest in May, about 2.4°C (4.3°F).
Quebec City has the bigger seasonal swing, about 33.5°C (60.3°F) between its coldest and hottest months versus 24.4°C (43.9°F) in Mississauga — so Mississauga has the steadier, more even climate.
On climate alone, Mississauga comes out ahead — it offers warmer days, less rain and lower humidity than Quebec City. Quebec City is the better fit only if you'd actually prefer cooler weather, more rainfall and a more humid climate.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Mississauga and Quebec City, not a single year's weather or a short-range forecast.
