Verdict: Excellent month
Banff Weather in August
August hits the sweet spot in Banff — highs around 22°C (72°F), ideal for a full day on foot. Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, August is one of the best months of the year to be in Banff.
Average high
22°C / 72°F
Average low
8°C / 46°F
Rain days
~9
Precipitation
48 mm
What to pack for Banff in August
- Summer clothes, plus one light layer for air-con and evenings
- Evenings turn genuinely cool — pack a warm layer for after dark
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Banff: Jul (23°C / 73°F) · Coolest: Jan (-5°C / 23°F) · Wettest: Jun (~13 rain days)
-5°
-14°
Jan
-3°
-14°
Feb
1°
-11°
Mar
6°
-6°
Apr
12°
0°
May
17°
4°
Jun
23°
9°
Jul
22°
8°
Aug
18°
4°
Sep
9°
-2°
Oct
-1°
-11°
Nov
-5°
-14°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)