Manaus weather in August 2025

Expect 33°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Manaus in August based on long-term weather averages. There is usually 11 days with some rainfall and 55 mm of average monthly rainfall in August.

  • 33°C maximum daytime temperature in August in Manaus33
    33°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in August in Manaus11
    11 days with some rainfall
  • 23°C minimum night-time temperature in August in Manaus23
    23°C min night temperature
  • 12 hours of daylight per day in August in Manaus12
    12 hours of daylight per day
  • Very high heat & humidity in August in ManausVH
    Very High heat & humidity
  • 55 mm monthly rainfall in August in Manaus55
    55 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Manaus11
    11+ (Extreme) UV index

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The August weather guide for Brazil (Manaus) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Manaus in August?

Daytime temperatures usually reach 33°C in Manaus in August with very high heat and humidity, falling to 23°C at night.

How sunny is it in Manaus in August?

There are normally 7 hours of bright sunshine each day in Manaus in August - that's 60% of daylight hours.

Does it rain in Manaus in August?

There are usually 11 days with some rain in Manaus in August and the average monthly rainfall is 55mm.

Manaus August sunrise & sunset times

Browse the sunrise and sunset times for Manaus in August 2025. Select a month to view Manaus sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:07 18:06
Saturday, 16th August 2025 06:04 18:05
Sunday, 31st August 2025 05:59 18:02

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