Calgary weather by month & the best time to visit
🇨🇦 Canada · alpine / mountain city · continental climate
The best time to visit Calgary is July — its sunniest month (Sunshine Score 82/100), with August and June close behind. Calgary averages about 2,396 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 57 mm of rain in July.
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- Sun hours / year
- 2,396
- Sunniest month
- July
- Peak score
- 82/100
- Rain / year
- 513 mm
- Snow / year
- ≈1.6 m
- Midday UV at peak
- 6 (high)
- Population
- 1.3M
- Elevation
- 1,079 m

When is the best time to visit Calgary?
For sunshine, the best time to visit Calgary is July, then August and June. The dullest month is January (0/100, 18 mm of rain). The full month-by-month picture is in the table below.
How sunny is Calgary?
Calgary gets a moderate 2,396 hours of sunshine a year. 82 Sunshine Score points separate July (82) from January (0), so the month you pick matters. It ranks #14 of 242 destinations in Canada for annual sunshine, above the national median of 2,024 hours. Rain has a clear season: the wettest stretch, around June, carries about 45% of the annual 513 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -3° / 27°F | -12° / 10°F | 18 mm | 1 |
| February | 0 | -2° / 28°F | -12° / 10°F | 19 mm | 1 |
| March | 0 | 4° / 39°F | -7° / 19°F | 24 mm | 3 |
| April | 14 | 10° / 50°F | -2° / 28°F | 41 mm | 4 |
| May | 54 | 16° / 61°F | 4° / 39°F | 67 mm | 5 |
| June | 73 | 20° / 68°F | 8° / 46°F | 109 mm | 6 |
| July | 82 | 24° / 75°F | 11° / 52°F | 57 mm | 6 |
| August | 82 | 23° / 73°F | 10° / 50°F | 59 mm | 5 |
| September | 70 | 18° / 64°F | 5° / 41°F | 47 mm | 4 |
| October | 15 | 10° / 50°F | -2° / 28°F | 29 mm | 2 |
| November | 0 | 2° / 36°F | -7° / 19°F | 23 mm | 1 |
| December | 0 | -4° / 25°F | -12° / 10°F | 20 mm | 0 |
See Calgary on the interactive sunshine globe →
Nearby places for sunshine
- Edmonton Canada · 245 km · best in Aug · 2,549 h sun/yr
- Kalispell United States · 313 km · best in Jul · 2,199 h sun/yr
- Kelowna Canada · 401 km · best in Aug · 2,222 h sun/yr
- Great Falls United States · 447 km · best in Jul · 2,659 h sun/yr
- Spokane United States · 465 km · best in Jul · 2,367 h sun/yr
- Missoula United States · 467 km · best in Jul · 2,308 h sun/yr
Nearest destinations
- Lethbridge Canada · 186 km · 2,628 h sun/yr · best in Jul
- Cranbrook Canada · 210 km · 2,283 h sun/yr · best in Aug
- Medicine Hat Canada · 262 km · 2,665 h sun/yr · best in Jul
- Castlegar Canada · 328 km · 2,020 h sun/yr · best in Aug
Head-to-head
How Calgary compares month by month: Calgary vs Edmonton · Calgary vs Saskatoon · Calgary vs Kelowna · Calgary vs Kalispell · all comparisons
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