Melbourne is 9.4°C (16.9°F) warmer by day, Melbourne has 12.3°C (22.1°F) warmer nights, Melbourne gets 228 mm (9 in) more rain a year.
Calgary is at its warmest in July and coolest in December, while Melbourne peaks in February and bottoms out in July. Month for month, Melbourne is the warmer of the two in 9 of 12 months.
Melbourne is the wetter of the two, collecting 752 mm (29.6 in) of rain a year against 524 mm (20.6 in) in Calgary. The most comfortable time to visit is June, July and August in Calgary and January, February and March in Melbourne.
| Calgary | Metric | Melbourne |
|---|---|---|
| 🌡️ Temperature | ||
| 9.6°C | 🌡️Average daytime high | 19°C |
| -1.8°C | 🌙Average nighttime low | 10.5°C |
| July | 🔥Hottest month | February |
| December | ❄️Coldest month | July |
| 🌧️ Rain | ||
| 524 mm | 🌧️Annual rainfall | 752 mm |
| June | ☔Wettest month | October |
| January | 🏜️Driest month | February |
| 💨 Climate | ||
| 71% | 💧Average humidity | 75% |
| 1.3 m/s | 💨Average wind speed | 3.3 m/s |
Overnight, Calgary typically falls to around -1.8°C (28.8°F) while Melbourne settles near 10.5°C (50.9°F).
Calgary is hottest in July and coldest in December, whereas Melbourne peaks in February and is coolest in July.
Calgary sees the most rain in June and the least in January; Melbourne is wettest in October and driest in February.
Melbourne feels the more humid of the two, averaging 75% relative humidity against 71%.
For Melbourne, the pick of the year is January, February and March.
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 | Calgary | Melbourne | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -11.7 | -7.3 | -2.9 | 14.6 | 20.1 | 25.5 |
| February | -11.2 | -6 | -0.9 | 14.9 | 20.3🔥 | 25.7 |
| March | -7.2 | -1.6 | 3.9 | 14.1 | 18.9 | 23.7 |
| April | -3 | 3.2 | 9.3 | 11.7 | 15.8 | 20 |
| May | 2.1 | 8.7 | 15.2 | 9.5 | 13 | 16.4 |
| June | 6.4 | 12.7 | 19 | 7.4 | 10.4 | 13.4 |
| July | 9.4 | 16.2🔥 | 22.9 | 6.4 | 9.5❄️ | 12.6 |
| August | 8.9 | 15.8 | 22.6 | 6.7 | 10.1 | 13.5 |
| September | 4.3 | 10.9 | 17.6 | 7.8 | 11.6 | 15.4 |
| October | -1.2 | 4.6 | 10.3 | 9.2 | 13.7 | 18.1 |
| November | -7 | -2.7 | 1.6 | 11.2 | 16 | 20.8 |
| December | -11.8 | -7.7❄️ | -3.5 | 12.8 | 18 | 23.2 |
| Annual Avg | -1.8 | 3.9 | 9.6 | 10.5 | 14.8 | 19 |
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 Calgary and Melbourne feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Calgary Melbourne
See how Calgary and Melbourne 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 Calgary and Melbourne — each drawn straight from the climate figures above.
Melbourne is the warmer of the two. It averages daytime highs of 19°C (66.2°F) against 9.6°C (49.3°F) in Calgary — roughly 9.4°C (16.9°F) warmer by day. Nights are milder in Melbourne, with average lows of 10.5°C (50.9°F) versus -1.8°C (28.8°F).
Calgary is hottest in July, averaging highs of about 22.9°C (73.3°F), while Melbourne peaks in February at around 25.7°C (78.2°F). That makes Melbourne the hotter of the two at the height of summer.
Calgary gets colder. In its coldest month (December) overnight lows average about -11.8°C (10.8°F), compared with 6.4°C (43.6°F) at the low point of the year in Melbourne.
Melbourne is the wetter city, collecting about 752 mm (29.6 in) of rain a year versus 524 mm (20.6 in) in Calgary. Calgary is wettest in June and driest in January; Melbourne is wettest in October and driest in February.
Melbourne is the more humid of the two, averaging 75% relative humidity over the year against 71% in Calgary.
The most comfortable months in Calgary are June, July and August, when average temperatures are at their mildest.
Melbourne is at its most pleasant around January, February and March, based on the mildest average temperatures of the year.
Melbourne is the warmer city in 9 of the 12 months of the year. The gap is widest in January, about 27.4°C (49.3°F), and narrowest in September, about 0.7°C (1.3°F).
Calgary has the bigger seasonal swing, about 23.9°C (43°F) between its coldest and hottest months versus 10.8°C (19.4°F) in Melbourne — so Melbourne has the steadier, more even climate.
It depends what matters most to you: choose Melbourne for warmer weather, pick Calgary if you prefer drier conditions and go for Calgary 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 Calgary and Melbourne, not a single year's weather or a short-range forecast.
