Penticton Weather in August
Penticton in August sees high temperatures, with highs around 25°C (77°F) and overnight lows of 12°C (54°F). It's the driest month of the year, with very little rainfall to worry about.
Rainfall in Penticton in August
Take advantage of the dry conditions this month, with minimal rain expected. Past climate data indicates that roughly 8 days will see rain, totalling around 26 mm (1 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Penticton in August
Penticton has excellent weather in August, with days reaching 25°C (77°F) and nights cooling to 12°C (54°F). The summer season is characteristic of August. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Penticton in August
The month enjoys around 281 hours of sunshine, creating mostly sunny days with good weather conditions.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Penticton.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Penticton's climate page.
Penticton Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
25°C (77°F)
Chance of Rain
26%
Precipitation
26 mm (1 in)
Rainy days
8 days
Humidity
36% *
Sunshine
281 hours *
Percentage Sunshine
62% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Penticton typically drop from around 30°C (86°F) at the start of August to approximately 25°C (77°F) by the end. Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Penticton in August
Browse day-by-day weather records for Penticton spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Penticton historical weather extremes in August
The extremes listed below come from historical weather data collected in Penticton from 1976 through 2025.
- The warmest day in August was on August 4, 1998, with a maximum of 38°C (100°F).
- The coldest August day was on August 14, 2009, with a maximum of 14°C (57°F).
- Penticton registered its coldest August night on August 29, 1980, with temperatures dropping to 3°C (37°F).
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Penticton in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Penticton in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Penticton's climate page.
Temperature Rainfall Sunshine Humidity
See the full Penticton climate overview or explore weather in Canada.
