Palmas weather in August

In August, Palmas has daytime highs averaging 34 °C, nights around 22 °C, with 0.3 wet days. Figures are 1991–2020 climate normals.

  1. Jan 26°
  2. Feb 26°
  3. Mar 26°
  4. Apr 26°
  5. May 27°
  6. Jun 27°
  7. Jul 27°
  8. Aug 28°
  9. Sep 30°
  10. Oct 28°
  11. Nov 27°
  12. Dec 26°

Daily temperatures through August

18°28°38°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 35.7 °C and lows bottom out at 20.9 °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 August33.7 °C21.4 °C0 %
11–20 August34.2 °C22.1 °C2 %
21–31 August35.2 °C23.1 °C0 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 13, at 7 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 31 of 31 100 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 0.3 of 31 1 %

Conditions in August

MeasureAverage
Mean temperature 28 °C
Record high (1991–2020) 38 °C
Record low (1991–2020) 18 °C
Relative humidity 41 %
Wind speed 16 km/h
Cloud cover 29 %

Where Palmas ranks in August

RankingPositionValue
The warmest places in South America in August20thof 5034 °C
The driest places in South America in August23rdof 501.1 mm

August compared with the months around it

Month Avg high Rainfall Cloud
June 32.4 °C 3 mm 33 %
July 32.8 °C under 1 mm 25 %
August 34.4 °C 1 mm 29 %
September 35.4 °C 26 mm 41 %
October 33.2 °C 129 mm 62 %

See all twelve months for Palmas

Nearby destinations in August

Destination Avg high Wet days
Palmas 34 °C 0.3
Araguaína 34 °C 1
Barreiras 32 °C 0

QuestionsAugust in Palmas, answered

How warm is Palmas in August?

Daily highs average 34 °C and nights fall to about 22 °C, a spread of 12 °C between afternoon and dawn. That makes August the 2nd warmest month of the year here.

Does it rain much in Palmas in August?

August averages 1 mm of rain, spread over about 0 of the 31 days — 1 % of the month. Cloud cover averages 29 % of the sky.

How long are the days in August?

Palmas averages 12 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.