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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scene Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
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Jasper’s mountain climate means cool summers and snowy winters, so pack layers year-round. Summer (July–August) offers the best hiking weather, while winter (December–March) draws skiers to Marmot Basin. Check the live forecast above before you go.
What is the best time to visit Jasper?
July and August bring the warmest temperatures, often reaching 22–25°C, with long daylight hours ideal for exploring the national park. September and October are quieter, with crisp air and golden larch colours, but snow can arrive by late October.
What should I pack for Jasper?
Even in summer, evenings can drop to 5°C, so bring a fleece or light jacket. Winter visitors need a heavy parka, thermal layers, boots, and ice-grippers for trails. UV is strong at this elevation, so sunglasses and sunscreen are useful year-round.
Does it snow in Jasper during summer?
Snow is rare in July and August, but not impossible at higher elevations. Most summer precipitation falls as rain. For current conditions, check the weather in jasper tomorrow on the live forecast above.
How does Hinton weather compare to Jasper’s?
Hinton, located about 80 km east, sits at a lower elevation and is slightly warmer and drier than Jasper in winter. Summer temperatures are similar, but Hinton gets less snow. For a detailed comparison, see our Canada weather hub.
Where can I find a Jasper weather 21 day forecast?
Environment and Climate Change Canada offers a 14-day outlook; the 21-day forecast is less reliable in mountain terrain. Use the live forecast above for the most up-to-date data, and refer to Edmonton Weather for regional trends.