Climate averages 1991–2020
Itacoatiara weather
in August.
A hot, moderately wet month: the 3rd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Itacoatiara: daytime highs average 30.6°C and nights cool to about 24.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 89 mm of rain on roughly 16 days, which makes August a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average August day.
The nearest other city in this atlas is Manaus (176 km away). In August its highs average 30.8°C, about as warm as Itacoatiara, with 99 mm of rain.
Among the 448 cities listed in Brazil, Itacoatiara ranks joint 76th of 448 for the warmest August highs and joint 377th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Itacoatiara is 4.4°C warmer than that mean.
From August to September, average highs rise by 0.6°C to 31.2°C, and monthly rainfall rises from 89 mm to 109 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
Itacoatiara climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C24.4°C | 24.4°C | 337 | 28.0 | 12.312 h |
| February | 28.6°C24.3°C | 24.3°C | 304 | 25.6 | 12.212 h |
| March | 28.8°C24.4°C | 24.4°C | 366 | 28.2 | 12.112 h |
| April | 28.7°C24.4°C | 24.4°C | 355 | 27.8 | 12.012 h |
| May | 28.7°C24.3°C | 24.3°C | 277 | 28.3 | 12.012 h |
| June | 29.0°C24.3°C | 24.3°C | 155 | 22.6 | 11.912 h |
| July | 29.4°C24.3°C | 24.3°C | 105 | 19.3 | 12.012 h |
| August, selected | 30.6°C24.9°C | 24.9°C | 89 | 15.7 | 12.012 h |
| September | 31.2°C25.2°C | 25.2°C | 109 | 15.8 | 12.112 h |
| October | 31.2°C25.4°C | 25.4°C | 140 | 16.9 | 12.212 h |
| November | 30.4°C25.2°C | 25.2°C | 178 | 20.5 | 12.312 h |
| December | 29.4°C24.8°C | 24.8°C | 268 | 25.8 | 12.312 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
- Manaus in AugustBrazil · 176 kmHigh 30.8°C · Low 24.1°C · 99 mm rain
- Parintins in AugustBrazil · 198 kmHigh 30.9°C · Low 24.6°C · 84 mm rain
- Manacapuru in AugustBrazil · 242 kmHigh 30.2°C · Low 24.8°C · 120 mm rain
- Itaituba in AugustBrazil · 301 kmHigh 32.5°C · Low 23.5°C · 52 mm rain
- Oriximiná in AugustBrazil · 325 kmHigh 31.0°C · Low 24.8°C · 70 mm rain
- Santarém in AugustBrazil · 422 kmHigh 30.2°C · Low 25.7°C · 74 mm rain
- Coari in AugustBrazil · 532 kmHigh 29.9°C · Low 24.3°C · 96 mm rain
- Altamira in AugustBrazil · 693 kmHigh 32.1°C · Low 23.5°C · 31 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 Itacoatiara) is explained once on the Itacoatiara year overview and on the Sources, method and limits page.