Porto Velho weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Porto Velho in May based on long-term weather averages. There is usually 15 days with some rainfall and 121 mm of average monthly rainfall in May.

  • 31°C maximum daytime temperature in May in Porto Velho31
    31°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in May in Porto Velho15
    15 days with some rainfall
  • 21°C minimum night-time temperature in May in Porto Velho21
    21°C min night temperature
  • 12 hours of daylight per day in May in Porto Velho12
    12 hours of daylight per day
  • High heat & humidity in May in Porto VelhoH
    High heat & humidity
  • 121 mm monthly rainfall in May in Porto Velho121
    121 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Porto Velho10
    10 (Very High) UV index

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The May 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 May?

Daytime temperatures usually reach 31°C in Porto Velho in May with high heat and humidity, falling to 21°C at night.

How sunny is it in Porto Velho in May?

There are normally 4 hours of bright sunshine each day in Porto Velho in May - that's 37% of daylight hours.

Does it rain in Porto Velho in May?

There are usually 15 days with some rain in Porto Velho in May and the average monthly rainfall is 121mm.

Porto Velho May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:19 18:06
Friday, 16th May 2025 06:21 18:03
Saturday, 31st May 2025 06:24 18:03

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