Climate averages 1991–2020
Cuiabá weather
in August.
A hot, very dry month: the 3rd warmest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Cuiabá: daytime highs average 32.5°C and nights cool to about 20.3°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 11 mm of rain on roughly 2 days, which makes August a very dry month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 36 min on an average August day.
The nearest other city in this atlas is Cáceres, Brazil (177 km away). In August its highs average 32.6°C, about as warm as Cuiabá, with 10 mm of rain.
Among the 448 cities listed in Brazil, Cuiabá ranks joint 42nd of 448 for the warmest August highs and joint 104th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Cuiabá is 6.3°C warmer than that mean.
From August to September, average highs rise by 1.2°C to 33.7°C, and monthly rainfall rises from 11 mm to 47 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
Cuiabá climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.5°C23.6°C | 23.6°C | 248 | 25.7 | 12.913 h |
| February | 30.3°C23.5°C | 23.5°C | 221 | 24.6 | 12.613 h |
| March | 30.4°C23.3°C | 23.3°C | 208 | 25.2 | 12.212 h |
| April | 30.3°C22.5°C | 22.5°C | 100 | 15.1 | 11.812 h |
| May | 29.6°C20.5°C | 20.5°C | 35 | 5.6 | 11.411 h |
| June | 29.9°C19.2°C | 19.2°C | 11 | 1.4 | 11.211 h |
| July | 30.3°C18.4°C | 18.4°C | 5.8 | 0.8 | 11.311 h |
| August, selected | 32.5°C20.3°C | 20.3°C | 11 | 1.9 | 11.612 h |
| September | 33.7°C22.6°C | 22.6°C | 47 | 7.1 | 12.012 h |
| October | 33.0°C24.0°C | 24.0°C | 132 | 17.4 | 12.412 h |
| November | 31.5°C23.7°C | 23.7°C | 179 | 21.0 | 12.813 h |
| December | 30.8°C23.8°C | 23.8°C | 214 | 25.2 | 13.013 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
- Cáceres, Brazil in AugustBrazil · 177 kmHigh 32.6°C · Low 20.8°C · 10 mm rain
- Rondonópolis in AugustBrazil · 184 kmHigh 33.0°C · Low 19.9°C · 7.9 mm rain
- Tangará da Serra in AugustBrazil · 184 kmHigh 31.3°C · Low 18.8°C · 16 mm rain
- Lucas do Rio Verde in AugustBrazil · 281 kmHigh 32.7°C · Low 20.8°C · 6.9 mm rain
- Sorriso in AugustBrazil · 342 kmHigh 33.3°C · Low 20.9°C · 6.6 mm rain
- Corumbá in AugustBrazil · 414 kmHigh 30.6°C · Low 19.1°C · 25 mm rain
- Sinop in AugustBrazil · 420 kmHigh 33.5°C · Low 20.6°C · 6.6 mm rain
- Mineiros in AugustBrazil · 437 kmHigh 29.1°C · Low 16.7°C · 10 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 Cuiabá) is explained once on the Cuiabá year overview and on the Sources, method and limits page.