August 11 is generally a great time to visit Stellenbosch. While there is a slight chance of rain (33%), showers are usually brief. Expect comfortable 17°C weather. Expect a bustling atmosphere in Stellenbosch right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Stellenbosch
Currency
ZAR
R South African rand
Language
Afrikaans
+10 more
Driving
Left side
Safety
Moderate Safety
GPI: 2.283
Stellenbosch Weather Forecast for August 11
"Mild & Comfortable. Expect average highs of 17°C. 33% chance of rain."
What to Wear in Stellenbosch in August
Based on historical data for August 11, Stellenbosch typically experiences temperatures between 7.9°C and 17°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 33% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Stellenbosch
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
17°C
Daytime Peak
Average Low
7.9°C
Nighttime Low
Feels Like
17°C
🌤️ Feels accurate
Rain Chance
33%
Avg 2.7mm if it rains
Cloud Cover
49%
Overcast
Pressure
1020.1 hPa
Medium volatility
Stellenbosch Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 84% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 47 min to burn
Type III-IV
🟡 71 min to burn
Type V-VI
🟢 118 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.5°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in South Africa
Flight Traffic
High
88/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~114
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Stellenbosch
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:29
☀️ Noon
12:51
🌇 Sunset
18:12
⏱️ Daylight
10h 43m
Wind Speed
15.8 km/h
Gentle breeze
Sunshine
8.5 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Stellenbosch
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Stellenbosch
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
High pressure may reduce activity.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Stellenbosch on August 11 averages 17°C with a 33% precipitation probability. Wedding/Outdoor Event Score: 84/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Stellenbosch Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 8
17.1°C • 26% rain
Score
87
August 9
17.3°C • 27% rain
Score
87
August 4
17.2°C • 28% rain
Score
86
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 11) in other destinations
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📍 Is Stellenbosch Worth Visiting on August 11?
Planning a trip to Stellenbosch on August 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17°C with a 33% historical precipitation risk.
✈️ Travel Logistics: Approximately 114 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for South Africa, including COVID-19.
📊 Historical Extremes: The hottest August 11 recorded in the last 30 years saw temperatures hit 24.1°C in 2023, while the coldest dropped to 3.3°C in 2025.