Home › Weather › Banff National Park Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Banff National Park weather ranges from summer highs near 22°C to winter lows around -15°C, with January as the coldest month and July the warmest. Refer to the live forecast above for today’s conditions and the hourly breakdown.
What’s the temperature and precipitation year round?
Banff’s mountain climate delivers cool summers and snowy winters. July averages 22°C high / 7°C low, while January averages -9°C high / -15°C low. Annual precipitation is about 450 millimetres, split fairly evenly between rain and snow; over 300 centimetres of snow falls each winter. For a longer view, the banff national park weather by month table on our Canada weather hub shows monthly normals and extremes.
How far out can you check the forecast?
You can look at weather in banff 10 days for a reliable near-term outlook, or a banff weather 21 day forecast for a broad trend (less accurate beyond a week). For hour-by-hour details, see the banff national park weather hourly data in the live forecast above. The park’s banff national park weather year round profile is influenced by elevation and proximity to the Rockies.
Does Lake Louise have different weather than Banff?
Lake Louise sits about 15 km west and 200 m higher, so it is usually 2–4°C cooler and receives more snow. The lake louise weather forecast is often a few degrees lower than Banff townsite.
When is the best month to visit for mild weather?
July and August offer the warmest days and least rain, with average highs around 20–22°C. June can still be rainy, and September nights turn chilly quickly. Check the banff national park weather by month guide for details.
Do highway closures affect the weather forecast?
No, but sudden mountain storms can cause road closures. Stay updated on Environment Canada warnings and check local road reports before heading into the park.
For broader Canadian conditions, visit the Canada weather hub or check Muskoka Weather for lake-country forecasts.