Climate averages 1991–2020
Manacapuru weather
in August.
A hot, 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 Manacapuru: daytime highs average 30.2°C and nights cool to about 24.8°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 120 mm of rain on roughly 19 days, which makes August a wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 00 min on an average August day.
The nearest other city in this atlas is Manaus (70 km away). In August its highs average 30.8°C, 0.6°C warmer than Manacapuru, with 99 mm of rain.
Among the 448 cities listed in Brazil, Manacapuru ranks joint 81st of 448 for the warmest August highs and joint 430th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Manacapuru is 4.0°C warmer than that mean.
From August to September, average highs rise by 0.3°C to 30.5°C, and monthly rainfall rises from 120 mm to 138 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
Manacapuru climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C24.3°C | 24.3°C | 358 | 28.1 | 12.312 h |
| February | 28.6°C24.2°C | 24.2°C | 354 | 25.7 | 12.212 h |
| March | 28.7°C24.3°C | 24.3°C | 427 | 29.1 | 12.112 h |
| April | 28.6°C24.2°C | 24.2°C | 418 | 28.7 | 12.012 h |
| May | 28.5°C24.1°C | 24.1°C | 372 | 29.3 | 12.012 h |
| June | 28.7°C24.1°C | 24.1°C | 212 | 24.8 | 11.912 h |
| July | 29.1°C24.2°C | 24.2°C | 136 | 21.6 | 11.912 h |
| August, selected | 30.2°C24.8°C | 24.8°C | 120 | 18.9 | 12.012 h |
| September | 30.5°C25.0°C | 25.0°C | 138 | 20.5 | 12.112 h |
| October | 30.7°C25.2°C | 25.2°C | 165 | 21.4 | 12.212 h |
| November | 30.0°C25.0°C | 25.0°C | 209 | 24.1 | 12.312 h |
| December | 29.0°C24.6°C | 24.6°C | 334 | 28.4 | 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 · 70 kmHigh 30.8°C · Low 24.1°C · 99 mm rain
- Itacoatiara in AugustBrazil · 242 kmHigh 30.6°C · Low 24.9°C · 89 mm rain
- Coari in AugustBrazil · 293 kmHigh 29.9°C · Low 24.3°C · 96 mm rain
- Parintins in AugustBrazil · 438 kmHigh 30.9°C · Low 24.6°C · 84 mm rain
- Tefé in AugustBrazil · 455 kmHigh 29.7°C · Low 23.4°C · 119 mm rain
- Itaituba in AugustBrazil · 526 kmHigh 32.5°C · Low 23.5°C · 52 mm rain
- Oriximiná in AugustBrazil · 555 kmHigh 31.0°C · Low 24.8°C · 70 mm rain
- Santarém in AugustBrazil · 663 kmHigh 30.2°C · Low 25.7°C · 74 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 Manacapuru) is explained once on the Manacapuru year overview and on the Sources, method and limits page.