Climate averages 1991–2020
Imperatriz weather
in August.
A very hot, very dry month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Imperatriz: daytime highs average 34.3°C and nights cool to about 23.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 2.1 mm of rain on fewer than one day, which makes August a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average August day.
The nearest other city in this atlas is Açailândia (64 km away). In August its highs average 33.2°C, 1.1°C cooler than Imperatriz, with 3.5 mm of rain.
Among the 448 cities listed in Brazil, Imperatriz ranks joint 5th of 448 for the warmest August highs and joint 15th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Imperatriz is 8.1°C warmer than that mean.
From August to September, average highs rise by 0.2°C to 34.5°C, and monthly rainfall rises from 2.1 mm to 9.6 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
Imperatriz climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C23.0°C | 23.0°C | 207 | 26.1 | 12.412 h |
| February | 29.1°C23.0°C | 23.0°C | 206 | 24.1 | 12.312 h |
| March | 29.1°C23.0°C | 23.0°C | 212 | 26.3 | 12.112 h |
| April | 29.4°C23.1°C | 23.1°C | 150 | 20.7 | 12.012 h |
| May | 30.2°C23.1°C | 23.1°C | 74 | 11.7 | 11.912 h |
| June | 32.0°C23.0°C | 23.0°C | 8.2 | 1.8 | 11.812 h |
| July | 33.2°C23.1°C | 23.1°C | 6.2 | 1.1 | 11.812 h |
| August, selected | 34.3°C23.7°C | 23.7°C | 2.1 | 0.4 | 11.912 h |
| September | 34.5°C24.5°C | 24.5°C | 9.6 | 2.0 | 12.112 h |
| October | 33.5°C24.7°C | 24.7°C | 39 | 6.3 | 12.212 h |
| November | 31.7°C24.2°C | 24.2°C | 100 | 14.2 | 12.412 h |
| December | 30.3°C23.7°C | 23.7°C | 144 | 20.0 | 12.412 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
- Açailândia in AugustBrazil · 64 kmHigh 33.2°C · Low 22.1°C · 3.5 mm rain
- Grajaú in AugustBrazil · 153 kmHigh 33.7°C · Low 22.6°C · 1.9 mm rain
- Marabá in AugustBrazil · 182 kmHigh 33.5°C · Low 23.2°C · 5.5 mm rain
- Araguaína in AugustBrazil · 201 kmHigh 34.0°C · Low 21.3°C · 3.0 mm rain
- Barra do Corda in AugustBrazil · 249 kmHigh 34.0°C · Low 23.0°C · 2.5 mm rain
- Parauapebas in AugustBrazil · 273 kmHigh 32.9°C · Low 23.3°C · 6.4 mm rain
- Balsas in AugustBrazil · 275 kmHigh 33.9°C · Low 22.7°C · 0.9 mm rain
- Paragominas in AugustBrazil · 282 kmHigh 33.2°C · Low 22.9°C · 13 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 Imperatriz) is explained once on the Imperatriz year overview and on the Sources, method and limits page.