Knysna Weather in August
August in Knysna typically sees daytime highs of 18°C (64°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Knysna in August
Historically, the month has about 10 days of rain, averaging 67 mm (2.6 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Knysna in August
August in Knysna sees highs of 18°C (64°F) and lows of 11°C (52°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it is the month with the lowest temperatures of the year. However, the temperature is still pleasant and it won't ever get really cold.
Sunshine in Knysna in August
The month enjoys around 260 hours of sunshine, creating mostly sunny days with good weather conditions.August in Knysna can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Africa, check out our Knysna's climate page.
Knysna Temperature in August
Min Temperature
11°C (52°F)
Max Temperature
18°C (64°F)
Chance of Rain
33%
Precipitation
67 mm (2.6 in)
Rainy days
10 days
Sunshine
260 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Knysna typically stay consistent throughout August, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 9°C (48°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 Knysna in August
Browse day-by-day weather records for Knysna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Knysna historical weather extremes in August
Our historical data for Knysna spans 1977 to 2025, revealing these weather extremes.
- The hottest August day on record in Knysna reached 33°C (91°F) (August 11, 2002).
- Knysna experienced its chilliest August day on August 19, 2003, reaching only 9°C (48°F).
- The lowest overnight temperature recorded in August was 2°C (36°F) (August 17, 1989).
Best Places in South Africa in August
Find out more about the weather in South Africa and which places have the best travel conditions in this month. See all of South Africa in August →
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What to Wear in Knysna in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Knysna 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 South Africa, check out our Knysna's climate page.
See the full Knysna climate overview or explore weather in South Africa.
