Squamish weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: July – August
What is the weather like in Squamish in August?
In August, Squamish is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 17.8 °C – bracing, so a wetsuit helps for longer swims. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 9 days, adding up to 76 mm. All in all, August is a so-so month for a holiday in Squamish.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 57 | 58 | 22 |
| Day | 23° | 23° | 19° |
| Night | 15° | 16° | 14° |
| Sea | 18° | 18° | 15° |
| Sun | 10 h | 9 h | 7 h |
| Rain days | 8 | 9 | 12 |
More details for August
- Daylight
- 14 h 31 min06:02 – 20:33
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 8 km/haverage daily peakAll months
- Cloud cover
- 51 %on averageAll months
- Hot days
- 1 day30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−7America/Vancouver
How the score comes together
- Temperatureweight 35 %62 %
- Seaweight 25 %11 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %66 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Squamish in August: quick answers
Is Squamish hot in August?
Warm rather than hot: in August, daytime highs in Squamish average 23 °C and nights cool to about 16 °C.
Can you swim in Squamish in August?
Only if you don't mind cold water: in August the sea averages just 17.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Squamish in August?
Rain falls on about 9 days, adding up to 76 mm.
Squamish month by month
The whole year in SquamishAll destinations: CanadaWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences