Sydney is 4.7°C (8.5°F) warmer by day, Sydney has 17.8°C (32°F) warmer nights, Sydney gets 245 mm (9.6 in) more rain a year.
Brampton 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.
Sydney is the wetter of the two, collecting 963 mm (37.9 in) of rain a year against 718 mm (28.3 in) in Brampton. The most comfortable time to visit is June, July and August in Brampton and April, October and November in Sydney.
| Brampton | Metric | Sydney |
|---|---|---|
| 🌡️ Temperature | ||
| 21.8°C | 🌡️Average daytime high | 26.5°C |
| -4.8°C | 🌙Average nighttime low | 13°C |
| July | 🔥Hottest month | January |
| January | ❄️Coldest month | July |
| 🌧️ Rain | ||
| 718 mm | 🌧️Annual rainfall | 963 mm |
| July | ☔Wettest month | February |
| February | 🏜️Driest month | September |
| 💨 Climate | ||
| 77% | 💧Average humidity | 73% |
| 3.3 m/s | 💨Average wind speed | 3.2 m/s |
Overnight, Brampton typically falls to around -4.8°C (23.4°F) while Sydney settles near 13°C (55.4°F).
Brampton is hottest in July and coldest in January, whereas Sydney peaks in January and is coolest in July.
Brampton sees the most rain in July and the least in February; Sydney is wettest in February and driest in September.
Brampton feels the more humid of the two, averaging 77% 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 | Brampton | Sydney | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -20.5 | -7.1❄️ | 6.2 | 17.8 | 25.4🔥 | 32.9 |
| February | -19.6 | -5.9 | 7.8 | 18 | 24.8 | 31.6 |
| March | -15.2 | 0.8 | 16.9 | 16.6 | 22.9 | 29.3 |
| April | -6 | 8.3 | 22.7 | 14 | 20.1 | 26.2 |
| May | -0.3 | 13.9 | 28.1 | 11.4 | 17.2 | 23 |
| June | 5.5 | 18.7 | 31.9 | 9 | 14.4 | 19.8 |
| July | 10.2 | 22🔥 | 33.8 | 8.4 | 14❄️ | 19.6 |
| August | 9.6 | 21.4 | 33.2 | 8.8 | 15 | 21.2 |
| September | 4.1 | 17.5 | 30.9 | 10.3 | 17.6 | 24.9 |
| October | -2.4 | 11.3 | 24.9 | 12.1 | 20.1 | 28.1 |
| November | -7.7 | 4.6 | 16.9 | 13.5 | 21.6 | 29.8 |
| December | -14.7 | -3 | 8.8 | 15.7 | 23.7 | 31.8 |
| Annual Avg | -4.7 | 8.5 | 21.8 | 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 Brampton and Sydney feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Brampton Sydney
See how Brampton 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 Brampton 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 21.8°C (71.2°F) in Brampton — roughly 4.7°C (8.5°F) warmer by day. Nights are milder in Sydney, with average lows of 13°C (55.4°F) versus -4.8°C (23.4°F).
Brampton is hottest in July, averaging highs of about 33.8°C (92.8°F), while Sydney peaks in January at around 32.9°C (91.2°F). That makes Brampton the hotter of the two at the height of summer.
Brampton gets colder. In its coldest month (January) overnight lows average about -20.5°C (-4.9°F), compared with 8.4°C (47.1°F) at the low point of the year in Sydney.
Sydney is the wetter city, collecting about 963 mm (37.9 in) of rain a year versus 718 mm (28.3 in) in Brampton. Brampton is wettest in July and driest in February; Sydney is wettest in February and driest in September.
Brampton is the more humid of the two, averaging 77% relative humidity over the year against 73% in Sydney.
The most comfortable months in Brampton 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 32.5°C (58.5°F), and narrowest in September, about 0.1°C (0.2°F).
Brampton has the bigger seasonal swing, about 29.1°C (52.4°F) between its coldest and hottest months versus 11.4°C (20.5°F) in Sydney — so Sydney has the steadier, more even climate.
It depends what matters most to you: choose Sydney for warmer weather, pick Brampton if you prefer drier conditions and go for Sydney if you want lower humidity. There is no single "better" climate — it comes down to whether you value warmth, dryness or comfort most.
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 Brampton and Sydney, not a single year's weather or a short-range forecast.
