Weather in Pretoria in August

Prime time. If you get to pick your dates, August is the one. Highs average 24.6 °C, lows 7 °C, and rain falls on 1 days — nothing in the month is working against you.

August ranks 3 of 12 in Pretoria. Only June scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain falls on only 1 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: the day swings 17.7 °C from low to high, which means one bag has to cover both. Across the twenty years measured, the hottest August day reached 31.4 °C and the coldest night fell to -2.9 °C.

August is dependably dry, and that reliability is the point: across the twenty years measured, the wettest August on record still only managed 28 mm, and the driest managed 0 mm. There is no meaningful variability to plan around, which makes this one of the few months anywhere that you can build a fixed outdoor itinerary against without a fallback. The wettest single day in twenty years of Augusts brought 12 mm. Rain simply is not the variable that decides this trip — heat, crowds and cost are.

Wind is light at 8.7 km/h, so the temperature on the page is close to the temperature on your skin, and the air is dry at 39% humidity, which makes the heat far more bearable than the same figure somewhere humid — and dehydrates you faster than you expect.

How August sits in the year

The month is on the way up: 3.7 °C warmer than July, and September adds another 4.3 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in August

11.2 hours of daylight, gaining 0.6 hours across the month. That is between Pretoria's extremes of 13.7 and 10.5 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 26.3 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. At 1332 m the air is thin enough to matter — sun that burns faster than the temperature suggests, and nights that cool off quickly. Within August itself the daily swing is 17.7 °C, so mornings and afternoons need different clothes.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Pretoria versus nearby

If Pretoria is one option among several, the nearby comparison is worth making. Johannesburg is close enough to be a coin toss — 3.6 °C cooler, the same number of rain days. Pietermaritzburg is the weaker option in August — within a degree on temperature, 5 days more rain.

So: August is effectively as good as it gets here — 0 points behind June, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Pretoria

See all twelve months in Pretoria, or where else to go in August.