August 25 is generally a great time to visit Cape Town. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 17°C weather. Cape Town is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Cape Town
Currency
ZAR
R South African rand
Language
Afrikaans
+10 more
Driving
Left side
Connect
Many carriers (especially in Europe) cha...
Safety
Moderate Safety
GPI: 2.283
Cape Town Weather Forecast for August 25
"Mild & Comfortable. Expect average highs of 17.3°C. 21% chance of rain."
What to Wear in Cape Town in August
Based on historical data for August 25, Cape Town typically experiences temperatures between 9°C and 17.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Cape Town
Smart Suitcase
- Light Jacket
- Long Pants
Average High
17.3°C
Daytime Peak
Average Low
9°C
Nighttime Low
Feels Like
17.3°C
🌤️ Feels accurate
Rain Chance
21%
Avg 1.3mm if it rains
Cloud Cover
45%
Overcast
Pressure
1019.6 hPa
Medium volatility
Cape Town Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 81% 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
13.6°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in South Africa
Flight Traffic
High
85/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~114
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Cape Town
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:15
☀️ Noon
12:49
🌇 Sunset
18:24
⏱️ Daylight
11h 9m
Wind Speed
18.9 km/h
Gentle breeze
Sunshine
9.0 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Cape Town
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Cape Town
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Cape Town on August 25 averages 17.3°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Cape Town Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 1
17.8°C • 14% rain
Score
99
August 30
17.3°C • 15% rain
Score
93
August 31
17.6°C • 16% rain
Score
92
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 25) in other destinations
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📍 Is Cape Town Worth Visiting on August 25?
Planning a trip to Cape Town on August 25? 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 17.3°C with a 21% 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.
🌊 Coastal Conditions: Water temperature averages 14.3°C (polar plunge). Wave conditions are generally surfers only with heights around 3.49m.
📊 Historical Extremes: The hottest August 25 recorded in the last 30 years saw temperatures hit 18.2°C in 2016, while the coldest dropped to 7.2°C in 2018.