- Temperature
- -14.6 to 22.5°C
Updated July 2026 · Sources cited: parks.canada.ca, weather-atlas.com
Good to know
Good to Know
- Mountain weather changes rapidly—expect sun, rain, and snow within the same afternoon, even in summer.
- Pack waterproof layers regardless of season; afternoon thunderstorms are common in summer months.
- June is typically the rainiest month despite being popular for tourism; September offers more stable weather with fewer crowds.
- Snow persists well into May at higher elevations and can occur unexpectedly as late as June.
- Winter is marked by occasional warm Chinook winds that can dramatically shift temperatures even in the coldest months.
Seasons
Best Months
- Primary
- June to August
- Description
- Peak summer season with warmest and most stable weather. Long daylight hours and full access to trails and attractions.
Worst Months
- Primary
- March, October to November
- Description
- Challenging transition periods with variable weather, higher precipitation, and snow that can disrupt travel plans and outdoor activities.
Snowfall
- Season
- October to March
- Annual Total Cm
- 170
- Note
- Snow is a prominent feature; winter tires mandatory October to March on certain highways
Heaviest Months
- January
- 261 mm (10.28 inches)
- November
- 268 mm (10.55 inches)
Precipitation
- Driest Month
- February (31-46 mm)
- Wettest Month
- July (104-124 mm)
- Annual Total Mm
- 755
- Rainfall Pattern
- April to November, with highest rainfall in June (65-83 mm) and July (69-124 mm)
Temperature Ranges
Peak Cold
- Season
- Winter (January)
- Daytime High Celsius
- -9.4
- Nighttime Low Celsius
- -14.6
- Daytime High Fahrenheit
- 15
- Nighttime Low Fahrenheit
- 6
- Note
- Coldest month with severe conditions
Peak Warm
- Season
- Summer (July-August)
- Daytime High Celsius
- 22.5
- Nighttime Low Celsius
- 6
- Daytime High Fahrenheit
- 73
- Nighttime Low Fahrenheit
- 43
- Note
- Warmest months with comfortable conditions
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Jasper
Data last updated July 2026 · Verify anything important.