Johannesburg · SummerMonth summary
Johannesburg weather in August
✅ Good
🌡️ Temperature min / max
45°F – 70°F
🌧 Rainy days
3% of days
☀️ Sunshine
10.7h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.2/10
📅 📅 Best month
September (8.8/10)
Quick decision
Should you visit Johannesburg in August?
✅ Good
✅ Yes if: you want long sunny days and outdoor activities.
❌ No if: you want to avoid summer crowds — this is peak tourist season.
Our take: Favourable conditions in August (8.2/10). September scores higher but the gap is small.
By trip type
Johannesburg in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
In August, Johannesburg sees 21°F during the day with 10.7h of sunshine per day. Rain is virtually absent (3% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if September (8.8/10) remains theoretically better.
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All months for Johannesburg
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 59°F | 77°F | 45% | 0.2in | 12.9h | 7.8/10 |
| 🌤️ February | 59°F | 77°F | 50% | 0.2in | 12.2h | 7.6/10 |
| 🌤️ March | 55°F | 75°F | 32% | 0.1in | 11.7h | 8.0/10 |
| 🌤️ April | 52°F | 70°F | 27% | 0.1in | 10.9h | 7.6/10 |
| 🌤️ May | 45°F | 68°F | 7% | 0.0in | 10.1h | 7.8/10 |
| 🌤️ June | 41°F | 64°F | 5% | 0.0in | 10.1h | 7.5/10 |
| ⛅ July | 39°F | 63°F | 2% | 0.0in | 10.4h | 7.4/10 |
| 🌤️ August | 45°F | 70°F | 3% | 0.0in | 10.7h | 8.2/10 |
| ☀️ September | 50°F | 77°F | 10% | 0.0in | 11.7h | 8.8/10 |
| ☀️ October | 54°F | 79°F | 24% | 0.1in | 12.0h | 8.6/10 |
| 🌤️ November | 55°F | 79°F | 43% | 0.1in | 12.6h | 8.0/10 |
| 🌤️ December | 59°F | 77°F | 55% | 0.1in | 12.7h | 7.6/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Johannesburg averages 70°F, 3% rainy days and 10.7h of sunshine per day. Overall weather score: 8.2/10.
See methodology →
Comparison
August vs September (best month)
The best month is September (score 8.8/10). Difference:
- 🌡️ Max temperature : +4°F
- 🌧 Rainy days : +7%
- ☀️ Sunshine : +1.0h/day
FAQ
FAQ — Johannesburg in August
Is August a good time to visit Johannesburg?
August is an excellent time to visit Johannesburg (score 8.2/10). With 70°F, 10.7h of sunshine and 3% rain, conditions are very favourable.
What to do in Johannesburg in August?
With 70°F and 10.7h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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Activities and tours in Johannesburg
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