Johannesburg · August
Run in the morning.
Cool month: average high 69°F, low 44°F. Dry month — only 2 measurable rain days on average. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
69° / 44°F
Humidity
40%
Rain days
2/mo
Wind
12 mph
What August feels like in Johannesburg
Sunrise
06:35
Mid-month average
Sunset
17:48
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Johannesburg in August
The kit for August in Johannesburg: a long-sleeve or light jacket for the first mile.
August vs the surrounding months
vs July
+6° avg high
+1 rain days
Johannesburg in July →
August
69°F avg high
2 rain days
Best: morning
vs September
-7° avg high
-2 rain days
Johannesburg in September →
Frequently Asked Questions
What is the best time of day to run in Johannesburg in August?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Johannesburg in August?+
Average high 69°F, average low 44°F.
How does August compare to surrounding months in Johannesburg?+
Compared to July (avg high 63°F), August is warmer. Compared to September (avg high 77°F), August is cooler.
Does it rain often in Johannesburg in August?+
Expect about 2 measurable rain days in August, on average.