Hamilton is 3.6°C (6.5°F) warmer by day, Hamilton has 7.2°C (13°F) warmer nights, Hamilton gets 167 mm (6.6 in) more rain a year.
Hamilton is at its warmest in July and coolest in January, while Winnipeg peaks in August and bottoms out in January. Month for month, Hamilton is the warmer of the two in 12 of 12 months.
Hamilton is the wetter of the two, collecting 718 mm (28.3 in) of rain a year against 551 mm (21.7 in) in Winnipeg. The most comfortable time to visit is June, July and August in Hamilton and June, July and August in Winnipeg.
| Hamilton | Metric | Winnipeg |
|---|---|---|
| 🌡️ Temperature | ||
| 21.8°C | 🌡️Average daytime high | 18.2°C |
| -4.8°C | 🌙Average nighttime low | -12°C |
| July | 🔥Hottest month | August |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 718 mm | 🌧️Annual rainfall | 551 mm |
| July | ☔Wettest month | June |
| February | 🏜️Driest month | February |
| 💨 Climate | ||
| 77% | 💧Average humidity | 77% |
| 3.3 m/s | 💨Average wind speed | 3.3 m/s |
Overnight, Hamilton typically falls to around -4.8°C (23.4°F) while Winnipeg settles near -12°C (10.4°F).
Hamilton is hottest in July and coldest in January, whereas Winnipeg peaks in August and is coolest in January.
Hamilton sees the most rain in July and the least in February; Winnipeg is wettest in June and driest in February.
Winnipeg feels the more humid of the two, averaging 77% relative humidity against 77%.
For Winnipeg, 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 | Hamilton | Winnipeg | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -20.5 | -7.1❄️ | 6.2 | -37.8 | -19.1❄️ | -0.4 |
| February | -19.6 | -5.9 | 7.8 | -35.3 | -17.2 | 0.8 |
| March | -15.2 | 0.8 | 16.9 | -26.3 | -7.3 | 11.7 |
| April | -6 | 8.3 | 22.7 | -9 | 6.5 | 22 |
| May | -0.3 | 13.9 | 28.1 | -1.8 | 13 | 27.8 |
| June | 5.5 | 18.7 | 31.9 | 5.9 | 18.4 | 30.9 |
| July | 10.2 | 22🔥 | 33.8 | 10.1 | 21.4🔥 | 32.7 |
| August | 9.6 | 21.4 | 33.2 | 8.1 | 20.6 | 33 |
| September | 4.1 | 17.5 | 30.9 | 0.8 | 14.9 | 29 |
| October | -2.4 | 11.3 | 24.9 | -6.5 | 7.6 | 21.7 |
| November | -7.7 | 4.6 | 16.9 | -19.4 | -5.1 | 9.3 |
| December | -14.7 | -3 | 8.8 | -33.2 | -16.3 | 0.5 |
| Annual Avg | -4.7 | 8.5 | 21.8 | -12 | 3.1 | 18.3 |
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 Hamilton and Winnipeg feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Hamilton Winnipeg
See how Hamilton and Winnipeg 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 Hamilton and Winnipeg — each drawn straight from the climate figures above.
Hamilton is the warmer of the two. It averages daytime highs of 21.8°C (71.2°F) against 18.2°C (64.8°F) in Winnipeg — roughly 3.6°C (6.5°F) warmer by day. Nights are milder in Hamilton, with average lows of -4.8°C (23.4°F) versus -12°C (10.4°F).
Hamilton is hottest in July, averaging highs of about 33.8°C (92.8°F), while Winnipeg peaks in August at around 33°C (91.4°F). That makes Hamilton the hotter of the two at the height of summer.
Winnipeg gets colder. In its coldest month (January) overnight lows average about -37.8°C (-36°F), compared with -20.5°C (-4.9°F) at the low point of the year in Hamilton.
Hamilton is the wetter city, collecting about 718 mm (28.3 in) of rain a year versus 551 mm (21.7 in) in Winnipeg. Hamilton is wettest in July and driest in February; Winnipeg is wettest in June and driest in February.
Humidity is similar in both, averaging around 77% in Hamilton and 77% in Winnipeg across the year.
The most comfortable months in Hamilton are June, July and August, when average temperatures are at their mildest.
Winnipeg is at its most pleasant around June, July and August, based on the mildest average temperatures of the year.
Hamilton is the warmer city in all 12 months of the year. The gap is widest in December, about 13.3°C (23.9°F), and narrowest in June, about 0.3°C (0.5°F).
Winnipeg has the bigger seasonal swing, about 40.5°C (72.9°F) between its coldest and hottest months versus 29.1°C (52.4°F) in Hamilton — so Hamilton has the steadier, more even climate.
It depends what matters most to you: choose Hamilton for warmer weather and pick Winnipeg if you prefer drier conditions. 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 Hamilton and Winnipeg, not a single year's weather or a short-range forecast.