Calgary and Vancouver have similar daytime temperatures, Vancouver has 5.6°C (10.1°F) warmer nights, Vancouver gets 1,629 mm (64.1 in) more rain a year.
Calgary is at its warmest in July and coolest in December, while Vancouver peaks in August and bottoms out in December. Month for month, Vancouver is the warmer of the two in 11 of 12 months.
Vancouver is the wetter of the two, collecting 2,153 mm (84.8 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 July, August and September in Vancouver.
| Calgary | Metric | Vancouver |
|---|---|---|
| 🌡️ Temperature | ||
| 9.6°C | 🌡️Average daytime high | 9.9°C |
| -1.8°C | 🌙Average nighttime low | 3.8°C |
| July | 🔥Hottest month | August |
| December | ❄️Coldest month | December |
| 🌧️ Rain | ||
| 524 mm | 🌧️Annual rainfall | 2,153 mm |
| June | ☔Wettest month | November |
| January | 🏜️Driest month | July |
| 💨 Climate | ||
| 71% | 💧Average humidity | 85% |
| 1.3 m/s | 💨Average wind speed | 0.8 m/s |
Overnight, Calgary typically falls to around -1.8°C (28.8°F) while Vancouver settles near 3.8°C (38.8°F).
Calgary is hottest in July and coldest in December, whereas Vancouver peaks in August and is coolest in December.
Calgary sees the most rain in June and the least in January; Vancouver is wettest in November and driest in July.
Vancouver feels the more humid of the two, averaging 85% relative humidity against 71%.
For Vancouver, the pick of the year is July, August and September.
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 | Vancouver | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -11.7 | -7.3 | -2.9 | -3 | -0.9 | 1.2 |
| February | -11.2 | -6 | -0.9 | -3.2 | -0.6 | 2 |
| March | -7.2 | -1.6 | 3.9 | -0.9 | 1.7 | 4.3 |
| April | -3 | 3.2 | 9.3 | 1.8 | 4.9 | 8 |
| May | 2.1 | 8.7 | 15.2 | 6.1 | 9.8 | 13.5 |
| June | 6.4 | 12.7 | 19 | 9.4 | 13 | 16.7 |
| July | 9.4 | 16.2🔥 | 22.9 | 12.1 | 16 | 19.9 |
| August | 8.9 | 15.8 | 22.6 | 12.3 | 16.2🔥 | 20.1 |
| September | 4.3 | 10.9 | 17.6 | 9.3 | 13.1 | 16.9 |
| October | -1.2 | 4.6 | 10.3 | 4.8 | 7.7 | 10.7 |
| November | -7 | -2.7 | 1.6 | -0.1 | 2.1 | 4.3 |
| December | -11.8 | -7.7❄️ | -3.5 | -3.6 | -1.4❄️ | 0.7 |
| Annual Avg | -1.8 | 3.9 | 9.6 | 3.7 | 6.8 | 9.9 |
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 Vancouver feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Calgary Vancouver
See how Calgary and Vancouver 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 Vancouver — each drawn straight from the climate figures above.
Calgary and Vancouver are about equally warm. Daytime highs average 9.6°C (49.3°F) in Calgary and 9.9°C (49.8°F) in Vancouver, so neither is clearly the warmer choice over the year. Nights are milder in Vancouver, with average lows of 3.8°C (38.8°F) versus -1.8°C (28.8°F).
Calgary is hottest in July, averaging highs of about 22.9°C (73.3°F), while Vancouver peaks in August at around 20.1°C (68.2°F). That makes Calgary 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 -3.6°C (25.6°F) at the low point of the year in Vancouver.
Vancouver is the wetter city, collecting about 2,153 mm (84.8 in) of rain a year versus 524 mm (20.6 in) in Calgary. Calgary is wettest in June and driest in January; Vancouver is wettest in November and driest in July.
Vancouver is the more humid of the two, averaging 85% 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.
Vancouver is at its most pleasant around July, August and September, based on the mildest average temperatures of the year.
Vancouver is the warmer city in 11 of the 12 months of the year. The gap is widest in January, about 6.4°C (11.5°F), and narrowest in July, about 0.2°C (0.4°F).
Calgary has the bigger seasonal swing, about 23.9°C (43°F) between its coldest and hottest months versus 17.6°C (31.7°F) in Vancouver — so Vancouver has the steadier, more even climate.
On climate alone, Calgary comes out ahead — it offers less rain and lower humidity than Vancouver. Vancouver is the better fit only if you'd actually prefer 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 Calgary and Vancouver, not a single year's weather or a short-range forecast.
