Banff in August
In August, Banff averages 22°C (71°F) during the day and 8°C (47°F) at night, with frequent rain — about 18 days of the month see precipitation (63 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
August offers comfortable temperatures in Banff, with some rain to plan around.
How August compares to the rest of the year in Banff
August is one of the warmest months in Banff (2nd of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 14°C above the annual average (7°C). August runs 1°C cooler than July (22°C) and cools 7°C in September (15°C).
August sunrise & sunset in Banff
Times shown for Banff local time (America/Edmonton), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Banff — August
Golden-hour and blue-hour windows for the 15th of August, in Banff's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Banff in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Banff's popularity.
Crowds & pricing — August in Banff
This is a busy month in Banff — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather Northern Hemisphere summer holidays
Sun & mosquito risk — August in Banff
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Banff in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -5°C / 24°F | -13°C / 9°F | 24 mm | 14 | — |
| February | -5°C / 23°F | -15°C / 6°F | 25 mm | 16 | — |
| March | 2°C / 35°F | -9°C / 17°F | 35 mm | 18 | — |
| April | 7°C / 44°F | -4°C / 25°F | 39 mm | 18 | — |
| May | 13°C / 55°F | 1°C / 35°F | 61 mm | 18 | — |
| June | 18°C / 64°F | 5°C / 41°F | 92 mm | 23 | — |
| July | 22°C / 72°F | 9°C / 48°F | 72 mm | 21 | — |
| August | 22°C / 71°F | 8°C / 47°F | 63 mm | 18 | — |
| September | 15°C / 59°F | 3°C / 38°F | 57 mm | 16 | — |
| October | 7°C / 45°F | -3°C / 26°F | 42 mm | 15 | — |
| November | -1°C / 29°F | -11°C / 13°F | 41 mm | 16 | — |
| December | -7°C / 19°F | -15°C / 5°F | 31 mm | 14 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Banff in August →
Frequently asked questions
How hot is Banff in August?
In August, Banff averages a high of 22°C (71°F) and a low of 8°C (47°F) — generally mild and pleasant.
Does it rain a lot in Banff in August?
August is quite rainy in Banff, with about 18 rainy days on average.
Is August a good time to visit Banff?
August is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Banff in August?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Banff for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.