Climate averages 1991–2020
Goiânia weather
in August.
A hot, very dry month: the 3rd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Goiânia: daytime highs average 30.0°C and nights cool to about 17.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 6.0 mm of rain on roughly 1 day, which makes August a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 33 min on an average August day.
The nearest other city in this atlas is Aparecida de Goiânia (16 km away). In August its highs average 29.4°C, 0.5°C cooler than Goiânia, with 6.0 mm of rain.
Among the 448 cities listed in Brazil, Goiânia ranks 90th of 448 for the warmest August highs and joint 59th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Goiânia is 3.8°C warmer than that mean.
From August to September, average highs rise by 1.9°C to 31.9°C, and monthly rainfall rises from 6.0 mm to 30 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Goiânia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.7°C20.0°C | 20.0°C | 224 | 22.7 | 13.013 h |
| February | 28.0°C19.8°C | 19.8°C | 175 | 20.3 | 12.613 h |
| March | 27.8°C19.7°C | 19.7°C | 178 | 21.0 | 12.212 h |
| April | 28.0°C18.9°C | 18.9°C | 76 | 12.0 | 11.712 h |
| May | 27.7°C17.2°C | 17.2°C | 14 | 2.8 | 11.311 h |
| June | 27.5°C16.4°C | 16.4°C | 4.7 | 0.9 | 11.211 h |
| July | 27.8°C16.2°C | 16.2°C | 0.9 | 0.3 | 11.211 h |
| August, selected | 30.0°C17.9°C | 17.9°C | 6.0 | 1.0 | 11.612 h |
| September | 31.9°C20.3°C | 20.3°C | 30 | 5.0 | 12.012 h |
| October | 31.1°C20.8°C | 20.8°C | 102 | 14.8 | 12.512 h |
| November | 28.4°C20.0°C | 20.0°C | 196 | 22.3 | 12.913 h |
| December | 27.8°C20.0°C | 20.0°C | 218 | 24.1 | 13.113 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Aparecida de Goiânia in AugustBrazil · 16 kmHigh 29.4°C · Low 17.5°C · 6.0 mm rain
- Senador Canedo in AugustBrazil · 17 kmHigh 29.5°C · Low 18.0°C · 5.5 mm rain
- Trindade in AugustBrazil · 25 kmHigh 29.9°C · Low 18.3°C · 6.7 mm rain
- Anápolis in AugustBrazil · 51 kmHigh 28.5°C · Low 17.2°C · 8.5 mm rain
- Santo Antônio do Descoberto in AugustBrazil · 135 kmHigh 28.8°C · Low 17.0°C · 6.1 mm rain
- Caldas Novas in AugustBrazil · 136 kmHigh 29.5°C · Low 17.1°C · 7.4 mm rain
- Águas Lindas de Goiás in AugustBrazil · 145 kmHigh 27.9°C · Low 15.9°C · 5.5 mm rain
- Gama in AugustBrazil · 146 kmHigh 27.5°C · Low 15.7°C · 6.4 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Goiânia) is explained once on the Goiânia year overview and on the Sources, method and limits page.
Aparecida de Goiânia lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.