Whistler weather in August
August in Whistler: warm, a little rain, with clean air — one of the weakest months to visit.
#12 of 12 months in Whistler · #604 of 604 destinations to visit in August · comfort 15/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Whistler climate normals — August
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 79 mm / 3.1 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 14.4 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Whistler in August — FAQ
- Is August a good time to visit Whistler?
- August in Whistler: warm, a little rain, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Whistler on SeasonMap's comfort score (15/100).
- What is the weather like in Whistler in August?
- In August, Whistler averages a daily high of 24.2°C and a low of 13.9°C, with about 79 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Whistler in August?
- Whistler has a mean US Air Quality Index of about 39 in August.