Climate averages 1991–2020
Kelowna weather
in August.
A warm, fairly dry month: the 2nd warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Kelowna: daytime highs average 27.8°C and nights cool to about 16.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 25 mm of rain on roughly 5 days, which makes August a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 28 min on an average August day.
The nearest other city in this atlas is Kamloops (105 km away). In August its highs average 27.2°C, 0.6°C cooler than Kelowna, with 23 mm of rain.
Among the 86 cities listed in Canada, Kelowna ranks 1st of 86 for the warmest August highs and 3rd of 86 for the driest August (rainfall, lowest first). The mean August high of those 86 cities is 23.8°C; Kelowna is 4.0°C warmer than that mean.
From August to September, average highs fall by 5.7°C to 22.2°C, and monthly rainfall rises from 25 mm to 43 mm.
The annual picture
August in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Kelowna climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.2°C-4.1°C | -4.1°C | 59 | 13.5 | 8.69 h |
| February | 3.9°C-3.3°C | -3.3°C | 42 | 10.1 | 10.110 h |
| March | 8.0°C0.0°C | 0.0°C | 55 | 11.5 | 11.812 h |
| April | 13.2°C3.9°C | 3.9°C | 43 | 9.7 | 13.714 h |
| May | 19.9°C8.5°C | 8.5°C | 51 | 9.9 | 15.415 h |
| June | 23.1°C11.7°C | 11.7°C | 51 | 9.2 | 16.316 h |
| July | 27.9°C15.6°C | 15.6°C | 30 | 5.3 | 15.916 h |
| August, selected | 27.8°C16.5°C | 16.5°C | 25 | 5.2 | 14.514 h |
| September | 22.2°C12.7°C | 12.7°C | 43 | 7.7 | 12.713 h |
| October | 13.4°C6.3°C | 6.3°C | 69 | 12.1 | 10.811 h |
| November | 5.7°C0.6°C | 0.6°C | 87 | 15.5 | 9.19 h |
| December | 1.3°C-3.1°C | -3.1°C | 66 | 13.5 | 8.28 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Kamloops in AugustCanada · 105 kmHigh 27.2°C · Low 15.3°C · 23 mm rain
- Chilliwack in AugustCanada · 195 kmHigh 23.8°C · Low 14.3°C · 74 mm rain
- Abbotsford in AugustCanada · 220 kmHigh 22.8°C · Low 12.8°C · 61 mm rain
- Maple Ridge in AugustCanada · 237 kmHigh 23.3°C · Low 13.8°C · 107 mm rain
- Langley in AugustCanada · 245 kmHigh 23.5°C · Low 13.6°C · 49 mm rain
- Coquitlam in AugustCanada · 247 kmHigh 23.3°C · Low 14.4°C · 84 mm rain
- Bellingham in AugustUnited States · 251 kmHigh 21.7°C · Low 14.2°C · 46 mm rain
- Surrey in AugustCanada · 256 kmHigh 23.0°C · Low 13.3°C · 49 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Kelowna) is explained once on the Kelowna year overview and on the Sources, method and limits page.