Boa Vista weather in May 2025

Expect daytime maximum temperatures of 31°C in Boa Vista in May and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 23 days with some rainfall and typically 269 mm of rainfall in the month.

  • 31°C maximum daytime temperature in May in Boa Vista31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 23 days with some rainfall in May in Boa Vista23
    23 days with some rainfall
  • 23°C minimum night-time temperature in May in Boa Vista23
    23°C min night temperature
  • 12 hours of daylight per day in May in Boa Vista12
    12 hours of daylight per day
  • High heat & humidity in May in Boa VistaH
    High heat & humidity
  • 269 mm monthly rainfall in May in Boa Vista269
    269 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Boa Vista11
    11+ (Extreme) UV index

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The May weather guide for Brazil (Boa Vista) 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 Boa Vista in May?

Daytime temperatures usually reach 31°C in Boa Vista in May with high heat and humidity, falling to 23°C at night.

How sunny is it in Boa Vista in May?

There are normally 7 hours of bright sunshine each day in Boa Vista in May - that's 57% of daylight hours.

Does it rain in Boa Vista in May?

There are usually 23 days with some rain in Boa Vista in May and the average monthly rainfall is 269mm.

Boa Vista May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:53 18:06
Friday, 16th May 2025 05:52 18:07
Saturday, 31st May 2025 05:52 18:09

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