Weather in the Canadian Rockies can vary significantly by season and elevation. Understanding typical conditions throughout the year helps travellers choose the right activities, set expectations, and ensure they arrive prepared.
Spring is a transitional season, with conditions varying significantly from month to month. Daytime temperatures typically range from 5°C to 15°C (41°F to 59°F), though snowfall remains possible well into May. Visitors should be prepared for a mix of winter and summer conditions, particularly at higher elevations.
What to Pack
Insulated jacket
Warm layers
Waterproof shoes or boots
Hat, gloves, and scarf
Summer is the warmest season in Banff and Lake Louise, with long daylight hours and average daytime temperatures ranging from 18°C to 22°C (64°F to 72°F). UV exposure is high during the day, so sun protection is essential. Evening temperatures can be significantly cooler, particularly at higher elevations. Afternoon thunderstorms are also common during midsummer.
What to Pack
Lightweight clothing
Warm sweater or fleece
Waterproof jacket
Comfortable walking or hiking shoes
Sun protection
Fall brings cooler temperatures and crisp mornings, with daytime highs gradually dropping from around 15°C (59°F) in September to near freezing by November. Temperature swings are common, and visitors may experience warm sunny days, frost, rain, or early snowfall during the same trip.
What to Pack
Warm layers
Insulated jacket
Waterproof outer layer
Closed-toe walking shoes or boots
Hat and gloves for late fall travel
Winter is characterized by cold temperatures, snowy conditions, and shorter daylight hours. Average daytime temperatures range from -5°C to -10°C (23°F to 14°F), while overnight lows can fall below -15°C (5°F). Snowfall is common throughout the season.
Throughout the winter, the region also experiences a natural phenomenon called a Chinook, in which warm, dry westerly winds blow down the eastern slopes of the Rocky Mountains causing a sudden, short-term rise in temperatures.
What to Pack
Insulated winter jackets
Thermal base layers
Warm winter boots
Hat, gloves, and scarf
Sunglasses and sunscreen
Weather & Webcams
Stay up to date with the latest weather conditions in Banff and Lake Louise. Get a real-time look with the live webcams below and visit the Seasons & Climate page for an overview of what to expect when you plan to visit.