Stellenbosch Weather in August
Stellenbosch in August sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 8°C (46°F). Rainfall is fairly high this month at around 105 mm (4.1 in), so pack a rain jacket to stay dry.
Rainfall in Stellenbosch in August
Typically, you can expect about 13 days of rain this month, with 105 mm (4.1 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Stellenbosch in August
Stellenbosch in August gets highs of 18°C (64°F) during the day and drops to 8°C (46°F) at night. The month of August belongs to the winter season. The difference between afternoon and evening temperatures is usually noticeable. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Stellenbosch in August
There are approximately 212 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Stellenbosch in August
In August, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in August
With water at 14°C (57°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.Should you favor a climate that's both dry and comfortably warm, January, February, March, April, May, October, November and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Stellenbosch's climate page.
Stellenbosch Temperature in August
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Water Temperature
14°C (57°F) *
Chance of Rain
42%
Precipitation
105 mm (4.1 in)
Rainy days
13 days
Humidity
80% *
Windspeed
4 m/s (8 knots) *
Sunshine
212 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Stellenbosch 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 Stellenbosch in August
Browse day-by-day weather records for Stellenbosch spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Stellenbosch historical weather extremes in August
Based on weather observations in Stellenbosch between 1976 and 2025, these are the recorded extremes during August.
- On August 29, 2023, temperatures climbed to 31°C (88°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 8°C (46°F), recorded on August 26, 1976.
- The coldest night in August in Stellenbosch was on August 5, 2003, with a minimum of 0°C (32°F).
- The wettest August day on record brought 55 mm (2.2 in) of precipitation to Stellenbosch (August 14, 1981).
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 Stellenbosch in August
For Stellenbosch in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Stellenbosch 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 Stellenbosch's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Stellenbosch climate overview or explore weather in South Africa.
