Durban weather in August

In August, Durban has daytime highs averaging 22 °C, nights around 15 °C, with 6.1 wet days, and a sea temperature of 21 °C. Figures are 1991–2020 climate normals.

  1. Jan 24°
  2. Feb 24°
  3. Mar 24°
  4. Apr 22°
  5. May 20°
  6. Jun 18°
  7. Jul 17°
  8. Aug 18°
  9. Sep 19°
  10. Oct 20°
  11. Nov 21°
  12. Dec 23°

Daily temperatures through August

11°19°26°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 23.2 °C and lows bottom out at 13.8 °C.

How August develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 August21.8 °C14.1 °C18 %
11–20 August21.8 °C14.3 °C20 %
21–31 August22.4 °C15.1 °C20 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 5, at 27 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 4.5 of 31 15 %
Days above 30 °C 0.4 of 31 1 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 6.1 of 31 20 %

Conditions in August

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 34 °C
Record low (1991–2020) 8.8 °C
Relative humidity 72 %
Wind speed 22 km/h
Cloud cover 34 %

Where Durban ranks in August

RankingPositionValue
Places with the best weather in Africa in August43rdof 5091/100
The coolest places in Africa in August48thof 5022 °C

August compared with the months around it

Month Avg high Rainfall Cloud
June 22.1 °C 29 mm 25 %
July 21.5 °C 44 mm 25 %
August 22.1 °C 35 mm 34 %
September 22.5 °C 61 mm 49 %
October 23.0 °C 92 mm 62 %

See all twelve months for Durban

Nearby destinations in August

Destination Avg high Wet days Sea
Durban 22 °C 6.1 21
KwaDukuza 23 °C 6 21
Pietermaritzburg 23 °C 6
Richards Bay 24 °C 7 22
Vryheid 22 °C 4
Newcastle 21 °C 4
Mthatha 21 °C 5

QuestionsAugust in Durban, answered

How warm is Durban in August?

Daily highs average 22 °C and nights fall to about 15 °C, a spread of 7.5 °C between afternoon and dawn. That makes August the 10th warmest month of the year here.

Does it rain much in Durban in August?

August averages 35 mm of rain, spread over about 6 of the 31 days — 20 % of the month. Cloud cover averages 34 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 21 °C off Durban in August. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in August?

Durban averages 11 hours between sunrise and sunset in August. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.