Porto Velho weather in August 2025

Expect 33°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Porto Velho in August. Check more long-term weather averages for Porto Velho in August before you book your next holiday to Brazil in 2025/2026.

  • 33°C maximum daytime temperature in August in Porto Velho33
    33°C max day temperature
  • 5 hours of sunshine per day
  • 6 days with some rainfall in August in Porto Velho6
    6 days with some rainfall
  • 19°C minimum night-time temperature in August in Porto Velho19
    19°C min night temperature
  • 12 hours of daylight per day in August in Porto Velho12
    12 hours of daylight per day
  • Very high heat & humidity in August in Porto VelhoVH
    Very High heat & humidity
  • 48 mm monthly rainfall in August in Porto Velho48
    48 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Porto Velho11
    11 (Extreme) UV index

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The August weather guide for Brazil (Porto Velho) 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 Porto Velho in August?

Daytime temperatures usually reach 33°C in Porto Velho in August with very high heat and humidity, falling to 19°C at night.

How sunny is it in Porto Velho in August?

There are normally 5 hours of bright sunshine each day in Porto Velho in August - that's 45% of daylight hours.

Does it rain in Porto Velho in August?

There are usually 6 days with some rain in Porto Velho in August and the average monthly rainfall is 48mm.

Porto Velho August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:30 18:14
Saturday, 16th August 2025 06:25 18:15
Sunday, 31st August 2025 06:18 18:14

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