Click on a day for an hourly weather forecast
The weather in Manaus in August is very hot. The average temperatures are between 24°C and 36°C, drinking water regularly is advisable.
You can expect a few rainy days in Manaus during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Manaus in August 2025.
If you’re planning to visit Manaus in the near future, we highly recommend that you review the 14 day weather forecast for Manaus before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 31° / 23° | 19 | 12 | 0 | 394 mm | Ok | Manaus in January |
| February | 30° / 23° | 19 | 10 | 0 | 395 mm | Ok | Manaus in February |
| March | 30° / 23° | 22 | 9 | 0 | 483 mm | Ok | Manaus in March |
| April | 29° / 23° | 22 | 8 | 0 | 490 mm | Ok | Manaus in April |
| May | 30° / 23° | 18 | 13 | 0 | 368 mm | Ok | Manaus in May |
| June | 31° / 23° | 9 | 21 | 0 | 159 mm | Ok | Manaus in June |
| July | 33° / 23° | 5 | 26 | 0 | 88 mm | Good | Manaus in July |
| August | 36° / 24° | 2 | 29 | 0 | 45 mm | Ok | Manaus in August |
| September | 37° / 24° | 3 | 27 | 0 | 70 mm | Ok | Manaus in September |
| October | 36° / 25° | 7 | 24 | 0 | 120 mm | Bad | Manaus in October |
| November | 34° / 24° | 13 | 17 | 0 | 211 mm | Bad | Manaus in November |
| December | 32° / 24° | 16 | 15 | 0 | 336 mm | Ok | Manaus in December |