Sydney is 11.8°C (21.2°F) warmer by day, Sydney has 23.8°C (42.8°F) warmer nights, Quebec City gets 198 mm (7.8 in) more rain a year.
Quebec City is at its warmest in July and coolest in January, while Sydney peaks in January and bottoms out in July. Month for month, Sydney is the warmer of the two in 9 of 12 months.
Quebec City is the wetter of the two, collecting 1,161 mm (45.7 in) of rain a year against 963 mm (37.9 in) in Sydney. The most comfortable time to visit is June, July and August in Quebec City and April, October and November in Sydney.
| Quebec City | Metric | Sydney |
|---|---|---|
| 🌡️ Temperature | ||
| 14.7°C | 🌡️Average daytime high | 26.5°C |
| -10.8°C | 🌙Average nighttime low | 13°C |
| July | 🔥Hottest month | January |
| January | ❄️Coldest month | July |
| 🌧️ Rain | ||
| 1,161 mm | 🌧️Annual rainfall | 963 mm |
| July | ☔Wettest month | February |
| February | 🏜️Driest month | September |
| 💨 Climate | ||
| 88% | 💧Average humidity | 73% |
| 1.3 m/s | 💨Average wind speed | 3.2 m/s |
Overnight, Quebec City typically falls to around -10.8°C (12.6°F) while Sydney settles near 13°C (55.4°F).
Quebec City is hottest in July and coldest in January, whereas Sydney peaks in January and is coolest in July.
Quebec City sees the most rain in July and the least in February; Sydney is wettest in February and driest in September.
Quebec City feels the more humid of the two, averaging 88% relative humidity against 73%.
For Sydney, the pick of the year is April, October and November.
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 | Quebec City | Sydney | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -32.6 | -16.2❄️ | 0.2 | 17.8 | 25.4🔥 | 32.9 |
| February | -30.7 | -15.4 | 0 | 18 | 24.8 | 31.6 |
| March | -25.5 | -10.5 | 4.4 | 16.6 | 22.9 | 29.3 |
| April | -11.4 | 2.2 | 15.9 | 14 | 20.1 | 26.2 |
| May | -2.6 | 10.1 | 22.8 | 11.4 | 17.2 | 23 |
| June | 3.5 | 14.7 | 25.9 | 9 | 14.4 | 19.8 |
| July | 7.9 | 17.3🔥 | 26.7 | 8.4 | 14❄️ | 19.6 |
| August | 6.5 | 16.3 | 26.1 | 8.8 | 15 | 21.2 |
| September | 1.3 | 12.5 | 23.6 | 10.3 | 17.6 | 24.9 |
| October | -4.4 | 6.8 | 18 | 12.1 | 20.1 | 28.1 |
| November | -14.8 | -2 | 10.8 | 13.5 | 21.6 | 29.8 |
| December | -27 | -12.4 | 2.2 | 15.7 | 23.7 | 31.8 |
| Annual Avg | -10.8 | 2 | 14.7 | 13 | 19.7 | 26.5 |
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 Quebec City and Sydney feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Quebec City Sydney
See how Quebec City and Sydney 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 Quebec City and Sydney — each drawn straight from the climate figures above.
Sydney is the warmer of the two. It averages daytime highs of 26.5°C (79.7°F) against 14.7°C (58.5°F) in Quebec City — roughly 11.8°C (21.2°F) warmer by day. Nights are milder in Sydney, with average lows of 13°C (55.4°F) versus -10.8°C (12.6°F).
Quebec City is hottest in July, averaging highs of about 26.7°C (80.1°F), while Sydney peaks in January at around 32.9°C (91.2°F). That makes Sydney 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 8.4°C (47.1°F) at the low point of the year in Sydney.
Quebec City is the wetter city, collecting about 1,161 mm (45.7 in) of rain a year versus 963 mm (37.9 in) in Sydney. Quebec City is wettest in July and driest in February; Sydney is wettest in February and driest in September.
Quebec City is the more humid of the two, averaging 88% relative humidity over the year against 73% in Sydney.
The most comfortable months in Quebec City are June, July and August, when average temperatures are at their mildest.
Sydney is at its most pleasant around April, October and November, based on the mildest average temperatures of the year.
Sydney is the warmer city in 9 of the 12 months of the year. The gap is widest in January, about 41.6°C (74.9°F), and narrowest in June, about 0.3°C (0.5°F).
Quebec City has the bigger seasonal swing, about 33.5°C (60.3°F) between its coldest and hottest months versus 11.4°C (20.5°F) in Sydney — so Sydney has the steadier, more even climate.
On climate alone, Sydney 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 Quebec City and Sydney, not a single year's weather or a short-range forecast.
