Montréal is 4.7°C (8.5°F) warmer by day, Montréal has 2.4°C (4.3°F) warmer nights, Quebec City gets 157 mm (6.2 in) more rain a year.
Montréal is at its warmest in August and coolest in January, while Quebec City peaks in July and bottoms out in January. Month for month, Montréal 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 1,004 mm (39.5 in) in Montréal. The most comfortable time to visit is June, July and August in Montréal and June, July and August in Quebec City.
| Montréal | Metric | Quebec City |
|---|---|---|
| 🌡️ Temperature | ||
| 19.4°C | 🌡️Average daytime high | 14.7°C |
| -8.4°C | 🌙Average nighttime low | -10.8°C |
| August | 🔥Hottest month | July |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 1,004 mm | 🌧️Annual rainfall | 1,161 mm |
| June | ☔Wettest month | July |
| February | 🏜️Driest month | February |
| 💨 Climate | ||
| 82% | 💧Average humidity | 88% |
| 3 m/s | 💨Average wind speed | 1.3 m/s |
Overnight, Montréal typically falls to around -8.4°C (16.9°F) while Quebec City settles near -10.8°C (12.6°F).
Montréal is hottest in August and coldest in January, whereas Quebec City peaks in July and is coolest in January.
Montréal sees the most rain in June 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 82%.
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 | Montréal | Quebec City | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -32.3 | -14.7❄️ | 3 | -32.6 | -16.2❄️ | 0.2 |
| February | -29.4 | -12.9 | 3.6 | -30.7 | -15.4 | 0 |
| March | -23.3 | -5.1 | 13 | -25.5 | -10.5 | 4.4 |
| April | -6.4 | 7.3 | 21 | -11.4 | 2.2 | 15.9 |
| May | 0.2 | 13.4 | 26.5 | -2.6 | 10.1 | 22.8 |
| June | 6.6 | 18 | 29.5 | 3.5 | 14.7 | 25.9 |
| July | 10.8 | 21🔥 | 31.2 | 7.9 | 17.3🔥 | 26.7 |
| August | 9.4 | 20.4 | 31.5 | 6.5 | 16.3 | 26.1 |
| September | 3.7 | 16.5 | 29.3 | 1.3 | 12.5 | 23.6 |
| October | -2.9 | 10 | 22.9 | -4.4 | 6.8 | 18 |
| November | -11.5 | 1.9 | 15.2 | -14.8 | -2 | 10.8 |
| December | -25.8 | -9.8 | 6.3 | -27 | -12.4 | 2.2 |
| Annual Avg | -8.4 | 5.5 | 19.4 | -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 Montréal 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. Montréal Quebec City
See how Montréal 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 Montréal and Quebec City — each drawn straight from the climate figures above.
Montréal is the warmer of the two. It averages daytime highs of 19.4°C (66.9°F) against 14.7°C (58.5°F) in Quebec City — roughly 4.7°C (8.5°F) warmer by day. Nights are milder in Montréal, with average lows of -8.4°C (16.9°F) versus -10.8°C (12.6°F).
Montréal is hottest in August, averaging highs of about 31.5°C (88.6°F), while Quebec City peaks in July at around 26.7°C (80.1°F). That makes Montréal 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 -32.3°C (-26.2°F) at the low point of the year in Montréal.
Quebec City is the wetter city, collecting about 1,161 mm (45.7 in) of rain a year versus 1,004 mm (39.5 in) in Montréal. Montréal is wettest in June 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 82% in Montréal.
The most comfortable months in Montréal 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.
Montréal is the warmer city in all 12 months of the year. The gap is widest in March, about 5.4°C (9.7°F), and narrowest in January, about 1.5°C (2.7°F).
Montréal has the bigger seasonal swing, about 35.7°C (64.3°F) between its coldest and hottest months versus 33.5°C (60.3°F) in Quebec City — so Quebec City has the steadier, more even climate.
On climate alone, Montréal 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 Montréal and Quebec City, not a single year's weather or a short-range forecast.
