Manaus in August
In August, Manaus averages 32°C (90°F) during the day and 25°C (77°F) at night, with frequent rain — about 20 days of the month see precipitation (49 mm total).
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Expect daily rain or showers, often in heavy bursts.
August is one of the wetter and less comfortable months in Manaus. If your dates are flexible, consider a different time of year.
How August compares to the rest of the year in Manaus
August is one of the warmest months in Manaus (2nd of 12) and one of the driest months (12th of 12). Daytime temperature runs 2°C above the annual average (30°C). August runs 2°C warmer than July (31°C) and warms a further 1°C into September (33°C).
August sunrise & sunset in Manaus
Times shown for Manaus local time (America/Manaus), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Manaus — August
Golden-hour and blue-hour windows for the 15th of August, in Manaus's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Manaus in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Manaus's popularity.
Crowds & pricing — August in Manaus
Manaus is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — August in Manaus
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Manaus in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 29°C / 85°F | 24°C / 76°F | 253 mm | 30 | — |
| February | 29°C / 84°F | 24°C / 76°F | 245 mm | 28 | — |
| March | 29°C / 85°F | 24°C / 76°F | 312 mm | 31 | — |
| April | 29°C / 84°F | 24°C / 76°F | 271 mm | 30 | — |
| May | 29°C / 85°F | 24°C / 76°F | 216 mm | 31 | — |
| June | 29°C / 85°F | 24°C / 75°F | 123 mm | 27 | — |
| July | 31°C / 87°F | 24°C / 76°F | 55 mm | 24 | — |
| August | 32°C / 90°F | 25°C / 77°F | 49 mm | 20 | — |
| September | 33°C / 91°F | 25°C / 78°F | 64 mm | 22 | — |
| October | 32°C / 90°F | 26°C / 78°F | 102 mm | 24 | — |
| November | 31°C / 88°F | 25°C / 78°F | 143 mm | 27 | — |
| December | 30°C / 85°F | 25°C / 76°F | 258 mm | 28 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Manaus in August →
Frequently asked questions
How hot is Manaus in August?
In August, Manaus averages a high of 32°C (90°F) and a low of 25°C (77°F) — generally hot.
Does it rain a lot in Manaus in August?
August is quite rainy in Manaus, with about 20 rainy days on average.
Is August a good time to visit Manaus?
August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Manaus in August?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Manaus for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.