Johannesburg in August
In August, Johannesburg averages 21°C (69°F) during the day and 7°C (44°F) at night, with only about 4 rainy days.
High seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
August is a great month to visit Johannesburg: pleasant temperatures and relatively few wet days.
How August compares to the rest of the year in Johannesburg
August is in the middle of the year for warmth in Johannesburg (9th of 12) and one of the driest months (10th of 12). Daytime temperature runs 2°C below the annual average (23°C). August runs 4°C warmer than July (17°C) and warms a further 4°C into September (25°C).
August sunrise & sunset in Johannesburg
Times shown for Johannesburg local time (Africa/Johannesburg), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Johannesburg — August
Golden-hour and blue-hour windows for the 15th of August, in Johannesburg's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Johannesburg in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Johannesburg's popularity.
Crowds & pricing — August in Johannesburg
This is a busy month in Johannesburg — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — August in Johannesburg
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Johannesburg in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 26°C / 78°F | 15°C / 58°F | 120 mm | 23 | — |
| February | 25°C / 77°F | 14°C / 58°F | 107 mm | 21 | — |
| March | 24°C / 75°F | 13°C / 55°F | 76 mm | 19 | — |
| April | 21°C / 70°F | 10°C / 50°F | 50 mm | 14 | — |
| May | 20°C / 67°F | 7°C / 45°F | 16 mm | 5 | — |
| June | 17°C / 63°F | 4°C / 40°F | 6 mm | 3 | — |
| July | 17°C / 63°F | 4°C / 38°F | 4 mm | 3 | — |
| August | 21°C / 69°F | 7°C / 44°F | 5 mm | 4 | — |
| September | 25°C / 77°F | 10°C / 50°F | 12 mm | 6 | — |
| October | 26°C / 79°F | 12°C / 53°F | 47 mm | 13 | — |
| November | 26°C / 78°F | 13°C / 56°F | 81 mm | 18 | — |
| December | 25°C / 78°F | 15°C / 58°F | 127 mm | 21 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Johannesburg in August →
Frequently asked questions
How hot is Johannesburg in August?
In August, Johannesburg averages a high of 21°C (69°F) and a low of 7°C (44°F) — generally mild and pleasant.
Does it rain a lot in Johannesburg in August?
August is generally dry in Johannesburg, with about 4 rainy days on average.
Is August a good time to visit Johannesburg?
August is mild and pleasant and mostly dry. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Johannesburg in August?
Pack light layers for warm days and cooler evenings. See the full August packing list for Johannesburg for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.