Thembisa weather in August

In August, Thembisa has daytime highs averaging 21 °C, nights around 6.1 °C, with 1.6 wet days. Figures are 1991–2020 climate normals.

  1. Jan 20°
  2. Feb 20°
  3. Mar 19°
  4. Apr 16°
  5. May 13°
  6. Jun 10°
  7. Jul 10°
  8. Aug 13°
  9. Sep 17°
  10. Oct 19°
  11. Nov 19°
  12. Dec 20°

Daily temperatures through August

14° 26° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 23.2 °C and lows bottom out at 4.2 °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.

Days Avg high Avg low Chance of rain
1–10 August 19.2 °C 4.9 °C 5 %
11–20 August 20.5 °C 5.7 °C 4 %
21–31 August 22.0 °C 7.3 °C 5 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 5, at 20 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 2.5 of 31 8 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0.3 of 31 1 %
Days with more than 1 mm rain 1.6 of 31 5 %

Conditions in August

MeasureAverage
Mean temperature 13 °C
Record high (1991–2020) 28 °C
Record low (1991–2020) -2.3 °C
Relative humidity 45 %
Wind speed 18 km/h
Cloud cover 16 %

Where Thembisa ranks in August

Ranking Position Value
The coolest places in Africa in August 31st of 50 21 °C

August compared with the months around it

Month Avg high Rainfall Cloud
June 17.4 °C 6 mm 14 %
July 17.6 °C 3 mm 12 %
August 20.7 °C 8 mm 16 %
September 24.7 °C 19 mm 23 %
October 25.6 °C 65 mm 39 %

See all twelve months for Thembisa

QuestionsAugust in Thembisa, answered

How warm is Thembisa in August?

Daily highs average 21 °C and nights fall to about 6.1 °C, a spread of 15 °C between afternoon and dawn. That makes August the 10th warmest month of the year here.

Does it rain much in Thembisa in August?

August averages 8 mm of rain, spread over about 2 of the 31 days — 5 % of the month. Cloud cover averages 16 % of the sky.

How long are the days in August?

Thembisa 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.