Sao Luis weather in May 2021

Get the latest coronavirus (COVID-19) updates for Brazil with current travel advice, statistics and online resources.

  • 30°C maximum daytime temperature in May in Sao Luis30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 31 days with some rainfall in May in Sao Luis31
    31 days with some rainfall
  • 23°C minimum night-time temperature in May in Sao Luis23
    23°C min night temperature
  • 12 hours of daylight per day in May in Sao Luis12
    12 hours of daylight per day
  • Very high heat & humidity in May in Sao LuisVH
    Very High heat & humidity
  • 294 mm monthly rainfall in May in Sao Luis294
    294 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Sao Luis11
    11 (Extreme) UV index
  • 28°C sea temperature in May in Sao Luis28
    28°C sea temperature
  • Top deals & discounts
  • Sao Luis weather overview
  • Sao Luis climate averages by month
  • More destinations
  • Best time to go to Sao Luis
  • Sao Luis 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The May weather guide for Sao Luis, Brazil 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.

Recommended for Brazil

  • Save up to 15% on winter 2020/2021 holidays
  • Book skiing holidays & winter sun breaks with Club Med
  • Travel between 1st Nov 2020 & 25th Apr 2021 (inclusive)

Expires at 23:59 on Friday 31st Jul 2020 · View all Club Med offers

How hot is it in Sao Luis in May?

Daytime temperatures usually reach 30°C in Sao Luis in May with very high heat and humidity, falling to 23°C at night.

How sunny is it in Sao Luis in May?

There are normally 5 hours of bright sunshine each day in Sao Luis in May - that's 45% of daylight hours.

How warm is the sea around Sao Luis in May?

The average sea temperature around Sao Luis in May is 28°C.

Does it rain in Sao Luis in May?

There are usually 31 days with some rain in Sao Luis in May and the average monthly rainfall is 294mm.

Sao Luis sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Sao Luis in May 2021. Select a month to view Sao Luis sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Saturday, 1st May 2021 05:54 17:55
Sunday, 16th May 2021 05:54 17:54
Monday, 31st May 2021 05:55 17:55
  • Save EXTRA 10% on car hire in Central & South America
  • Blackout periods apply. Excludes domestic rentals
  • Travel before 31st March 2021 (inclusive)
Show discount codeShow discount code ******500

Expires at 23:59 on Wednesday 31st Mar 2021 · View all Avis offers

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

Back to top

Discover more about Brazil

Where is hot in Brazil in May for 2021/2022?

Below are average maximum temperatures at popular destinations in Brazil in May. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.