Weather in Kelowna in August 2025
Average weather
Average temperature in Kelowna in August
The expected average maximum temperature in August is +31°C with a maximum of +38°C and a minimum of +10°C.
The average maximum temperature goes down 36% by the end of the month, compared with the beginning of the month, from +33°C to +23°C.
Is Kelowna warm or cold in August?
Kelowna is typically warm in August.
Maximum temperatures go down compared to the previous month from +30°C to +29°C. The minimum temperature also goes up from +14°C to +14°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Kelowna, here is the comparison with other months:
Climate in Kelowna in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +30°C | +29°C | +23°C | ||||
| Min. temperature | ||||||
| +4°C | +3°C | -3°C | ||||
| Max. temperature | ||||||
| +45°C | +39°C | +36°C | ||||
| Rainfall | ||||||
| 33 mm | 30 mm | 46 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 52% | 55% | 63% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 11 | 11 | 8 | ||||
| Cloudy days | ||||||
| 8 | 9 | 9 | ||||
| Rainy days | ||||||
| 11 | 10 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting colder in August. From +30°C in the day, the average maximum temperature lowers to +29°C. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 33 mm to 30 mm. Humidity rises from 52% to 55%. The average wind speed doesn’t change much during August, staying around 1 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.
September brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Kelowna is gradually increasing during August, going from 1 m/s to 4 m/s over the course of the month.
Rain
How was the weather last August in Kelowna?
Climate Change over Years
The climate in Kelowna in August has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+14°C) and the highest in 1998 (+17°C). The driest year was 2008 with only 327 mm of rainfall, and the wettest year was 1990 with 712 mm.
FAQ
Is August a good time to visit Kelowna?
Can you sunbathe in Kelowna in August?
Is Kelowna rainy in August?
Is it sunny in Kelowna in August?
Other cities in Canada
Monthly weather in Kelowna
Source of the data
For this page, we’ve looked at the typical weather in Kelowna, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
