Calgary, Canada

There are 83 mountain destinations in our catalog, and Calgary's numbers hold their own: a 96/100 sun score at its July peak, when rain interrupts roughly 35% of days. For a long-weekend city trip in a highland climate, the data is a good starting point.

July is the heat peak, averaging 24°C highs; December is the cool end, when nights dip to around -14°C. The wet–dry contrast is pronounced: 42% rain-day odds in June against 14% in January. Note that average highs never reach 24°C in any month — pack for mild weather rather than hot.

Averaged by season, sun scores land at 67 for spring, 95 for summer, 62 for autumn and 56 for winter — with typical afternoons of 11°, 22°, 10° and -2°C respectively. Summer wins on the numbers and winter loses them; everything in between is a trade-off between warmth and crowds.

Best months to visit Calgary

The best month on record is July — a 96/100 sun score, built on 45% cloud cover and 35% rain-day odds — followed by August and June. The dependable window is wider than the podium, though: May–September all score 70 or better. Skip December if sunshine is the point — it bottoms out at 54/100.

Among the mountain destinations in our catalog, its July rain odds beat 63% of the field.

Month-by-month breakdown for Calgary → · More destinations for July →

Right now the 16-day outlook shows one mostly-clear day (under 40% cloud) and none with real rain risk, with temperatures between -8°C and 10°C — which is how Calgary earns its current 59/100 sun score.