Osoyoos (Okanagan) weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: May – June, August – September
What is the weather like in Osoyoos (Okanagan) in August?
In August, Osoyoos (Okanagan) is hot: daytime highs average 30 °C, and nights cool down to about 18 °C. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 14 mm in total. On about 15 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Osoyoos (Okanagan).
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 78 | 82 | 94 |
| Day | 30° | 30° | 23° |
| Night | 18° | 18° | 13° |
| Sun | 12 h | 11 h | 8 h |
| Rain days | 3 | 3 | 6 |
More details for August
- Daylight
- 14 h 28 min05:49 – 20:17
- 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
- 36 %on averageAll months
- Hot days
- 15 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−7America/Vancouver
How the score comes together
- Temperatureweight 50 %64 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Osoyoos (Okanagan) in August: quick answers
Is Osoyoos (Okanagan) hot in August?
Yes. In August, Osoyoos (Okanagan) is hot: daytime highs average 30 °C and nights stay around 18 °C. On about 15 days the thermometer climbs to 30 °C or more.
Does it rain much in Osoyoos (Okanagan) in August?
Rain is rare: about 3 days bring 14 mm in total.
Osoyoos (Okanagan) month by month
The whole year in Osoyoos (Okanagan)All destinations: CanadaWhere to go 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