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Best time to visit Jasper: month by month
Short answer
Mid-June to mid-September is the main season, with highs of about 19–25°C and all roads, boats and trails open. September is quieter, with golden larches and the elk rut; winter is very cold, with average highs around -7 to -3°C from December to February.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | -3°C | -11°C | 9 | low |
| Feb | -3°C | -12°C | 11 | low |
| Mar | 3°C | -8°C | 10 | low |
| Apr | 7°C | -4°C | 12 | low |
| May | 15°C | 2°C | 12 | medium |
| Jun | 20°C | 6°C | 14 | high |
| Jul | 25°C | 11°C | 12 | very high |
| Aug | 24°C | 10°C | 12 | very high |
| Sep | 19°C | 5°C | 12 | high |
| Oct | 11°C | -1°C | 9 | medium |
| Nov | 1°C | -10°C | 11 | low |
| Dec | -7°C | -16°C | 13 | medium |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Mar–May)
About 3°C in March, 7°C in April and 15°C in May, with frosty nights; snow lingers on high trails.
Summer (Jun–Aug)
About 20°C in June and 24–25°C in July and August, with lows of 6–11°C; all attractions open, busy.
Autumn (Sep–Nov)
About 19°C in September and 11°C in October, falling to 1°C in November; quieter, with wildlife active.
Winter (Dec–Feb)
Average highs about -7 to -3°C and lows to -16°C; skiing at Marmot Basin and frozen canyon walks.
Events worth planning around
- Canada Day, 1 July
- Jasper Dark Sky Festival (October)
When to avoid
Avoid July and August if you dislike crowds and high prices; from November to April many roads, boats and trails are closed or limited.
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Common questions
What is the best time to visit Jasper?
Mid-June to mid-September, with September the quietest of those months.
Is Jasper worth visiting in winter?
Yes for skiing and canyon walks, but it is very cold and many attractions close.
When does snow melt on the trails?
High trails can keep snow until July.