Weather in Durban in August

Prime time. If you get to pick your dates, August is the one. Highs average 21.2 °C, lows 18.7 °C, and rain falls on 5 days — nothing in the month is working against you.

August ranks 4 of 12 in Durban: past the worst of the year but short of June, which is the month to book if the dates are open.

Rain falls on only 5 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: it never really gets hot: not one day in an average August reaches 30 °C; the day barely swings — 2.5 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest August day reached 29 °C and the coldest night fell to 14.1 °C, and the wettest single day dropped 61 mm — roughly 169% of the month's rain in one day.

This is the volatile part. August rainfall has ranged from 6 mm to 106 mm across the twenty years measured — a 100 mm spread around an average of 36 mm. The average is real but almost no individual August looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind sits around 21.7 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity is unremarkable at 74%.

How August sits in the year

Temperatures hold steady either side: 21.2 °C in July, 21.2 here, 21.5 in September. Nothing about the timing within the month matters much.

Daylight in August

11 hours of daylight, gaining 0.7 hours across the month. That is between Durban's extremes of 14 and 10.2 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 22 °C in August — comfortable for a proper swim. The sea peaks at 26.9 °C in February and bottoms out at 22 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, September is the trade worth considering — 10 points weaker on weather, and materially quieter.

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

August in Durban versus nearby

If Durban is one option among several, the nearby comparison is worth making. Pietermaritzburg is close enough to be a coin toss — 2.6 °C warmer, 1 day more rain. Johannesburg is close enough to be a coin toss — within a degree on temperature, 4 days less rain.

So: August is effectively as good as it gets here — 3 points behind June, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Durban

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