Calgary vs Kalispell: which is sunnier?
🇨🇦 Canada vs 🇺🇸 United States · 313 km apart · long-term climate normals (NASA POWER, 2001–2020)
Calgary is the sunnier overall: about 2,396 hours of sunshine a year to Kalispell's 2,199. Kalispell has the higher Sunshine Score in 5 of 12 months; the other 7 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Calgary | Kalispell | |
|---|---|---|
| Sunshine hours / year | 2,396 | 2,199 |
| Sunniest month | July (82/100) | July (86/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 79/100 | 82/100 |
| Rain / year | 513 mm | 775 mm |
| Peak midday UV | 6 (high) | 7 (high) |
Calgary vs Kalispell month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Calgary | Kalispell | Calgary | Kalispell | Calgary | Kalispell | |
| January | 0 | 0 | -3° | -1° | 18 | 79 |
| February | 0 | 0 | -2° | -1° | 19 | 64 |
| March | 0 | 0 | 4° | 4° | 24 | 75 |
| April | 14 | 13 | 10° | 10° | 41 | 65 |
| May | 54 | 59 | 16° | 17° | 67 | 71 |
| June | 73 | 75 | 20° | 21° | 109 | 92 |
| July | 82 | 86 | 24° | 28° | 57 | 29 |
| August | 82 | 86 | 23° | 28° | 59 | 31 |
| September | 70 | 84 | 18° | 22° | 47 | 44 |
| October | 15 | 27 | 10° | 12° | 29 | 65 |
| November | 0 | 0 | 2° | 4° | 23 | 81 |
| December | 0 | 0 | -4° | -2° | 20 | 79 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Kalispell · Jun even · Jul Kalispell · Aug Kalispell · Sep Kalispell · Oct Kalispell · Nov even · Dec even.
When to pick which
- November–February: too close to call — Calgary averages 0/100, Kalispell 0/100. Kalispell is the warmer, around 0°C daytime highs vs -2°C. See the winter sun ranking.
- March–May: too close to call — Calgary averages 23/100, Kalispell 24/100. Daytime highs are similar (10°C vs 10°C).
- June–August: Kalispell (average score 82/100 vs 79). Kalispell is the warmer, around 26°C daytime highs vs 22°C.
- September–October: Kalispell (average score 56/100 vs 43). Kalispell is the warmer, around 17°C daytime highs vs 14°C.
Full month-by-month guides: Calgary weather by month · Kalispell weather by month · Best time to visit Canada · Best time to visit United States.
More comparisons: Calgary vs Edmonton · Calgary vs Saskatoon · Calgary vs Kelowna · Kalispell vs Spokane · Kalispell vs Missoula · Kalispell vs Great Falls · all head-to-heads