Curitiba weather in August

In August, Curitiba has daytime highs averaging 20 °C, nights around 11 °C, with 7.6 wet days. Figures are 1991–2020 climate normals.

  1. Jan 21°
  2. Feb 21°
  3. Mar 20°
  4. Apr 18°
  5. May 15°
  6. Jun 14°
  7. Jul 14°
  8. Aug 15°
  9. Sep 16°
  10. Oct 17°
  11. Nov 18°
  12. Dec 20°

Daily temperatures through August

16° 25° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 22.1 °C and lows bottom out at 8.7 °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 19.1 °C 10.2 °C 27 %
11–20 August 19.5 °C 10.6 °C 25 %
21–31 August 20.8 °C 11.3 °C 22 %
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 18, at 40 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 3.2 of 31 10 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0.07 of 31 0 %
Days with more than 1 mm rain 7.6 of 31 25 %

Conditions in August

MeasureAverage
Mean temperature 15 °C
Record high (1991–2020) 29 °C
Record low (1991–2020) -0.9 °C
Relative humidity 83 %
Wind speed 15 km/h
Cloud cover 62 %

August compared with the months around it

Month Avg high Rainfall Cloud
June 18.4 °C 104 mm 65 %
July 18.3 °C 93 mm 62 %
August 19.8 °C 81 mm 62 %
September 20.9 °C 134 mm 75 %
October 22.2 °C 137 mm 84 %

See all twelve months for Curitiba

QuestionsAugust in Curitiba, answered

How warm is Curitiba in August?

Daily highs average 20 °C and nights fall to about 11 °C, a spread of 9.1 °C between afternoon and dawn. That makes August the 10th warmest month of the year here.

Does it rain much in Curitiba in August?

August averages 81 mm of rain, spread over about 8 of the 31 days — 25 % of the month. Cloud cover averages 62 % of the sky.

How long are the days in August?

Curitiba 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.