São Carlos weather in August

In August, São Carlos has daytime highs averaging 26 °C, nights around 14 °C, with 3.4 wet days. Figures are 1991–2020 climate normals.

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

Daily temperatures through August

10° 20° 30° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 28.0 °C and lows bottom out at 12.0 °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 24.7 °C 13.1 °C 11 %
11–20 August 25.3 °C 13.4 °C 10 %
21–31 August 26.7 °C 14.3 °C 11 %
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 2, at 17 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 20 of 31 65 %
Days above 30 °C 1.7 of 31 5 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 3.4 of 31 11 %

Conditions in August

MeasureAverage
Mean temperature 19 °C
Record high (1991–2020) 33 °C
Record low (1991–2020) 3.2 °C
Relative humidity 59 %
Wind speed 16 km/h
Cloud cover 31 %

Where São Carlos ranks in August

Ranking Position Value
Places with the best weather in South America in August 24th of 50 94/100

August compared with the months around it

Month Avg high Rainfall Cloud
June 23.0 °C 35 mm 38 %
July 23.4 °C 26 mm 34 %
August 25.6 °C 25 mm 31 %
September 27.5 °C 64 mm 42 %
October 27.8 °C 113 mm 60 %

See all twelve months for São Carlos

QuestionsAugust in São Carlos, answered

How warm is São Carlos in August?

Daily highs average 26 °C and nights fall to about 14 °C, a spread of 12 °C between afternoon and dawn. That makes August the 9th warmest month of the year here.

Does it rain much in São Carlos in August?

August averages 25 mm of rain, spread over about 3 of the 31 days — 11 % of the month. Cloud cover averages 31 % of the sky.

How long are the days in August?

São Carlos 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.