Toliara weather in August

In August, Toliara has daytime highs averaging 28 °C, nights around 18 °C, with 0.8 wet days, and a sea temperature of 24 °C. Figures are 1991–2020 climate normals.

  1. Jan 28°
  2. Feb 28°
  3. Mar 28°
  4. Apr 26°
  5. May 24°
  6. Jun 22°
  7. Jul 22°
  8. Aug 22°
  9. Sep 24°
  10. Oct 25°
  11. Nov 27°
  12. Dec 28°

Daily temperatures through August

15° 23° 31° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 28.6 °C and lows bottom out at 17.3 °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 27.3 °C 17.7 °C 2 %
11–20 August 27.6 °C 17.8 °C 3 %
21–31 August 28.0 °C 18.1 °C 3 %
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 8, at 10 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 28 of 31 91 %
Days above 30 °C 1.9 of 31 6 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 0.8 of 31 3 %

Conditions in August

MeasureAverage
Mean temperature 22 °C
Record high (1991–2020) 32 °C
Record low (1991–2020) 14 °C
Relative humidity 63 %
Wind speed 19 km/h
Cloud cover 12 %

Where Toliara ranks in August

Ranking Position Value
Best beach destinations in Africa in August 2nd of 50 99/100
Best beach destinations in the world in August 6th of 50 99/100

August compared with the months around it

Month Avg high Rainfall Cloud
June 27.2 °C 5 mm 12 %
July 26.7 °C 3 mm 10 %
August 27.7 °C 4 mm 12 %
September 29.4 °C 6 mm 12 %
October 30.6 °C 11 mm 20 %

See all twelve months for Toliara

QuestionsAugust in Toliara, answered

How warm is Toliara in August?

Daily highs average 28 °C and nights fall to about 18 °C, a spread of 9.8 °C between afternoon and dawn. That makes August the 10th warmest month of the year here.

Does it rain much in Toliara in August?

August averages 4 mm of rain, spread over about 1 of the 31 days — 3 % of the month. Cloud cover averages 12 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 24 °C off Toliara 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?

Toliara 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.