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Weather extremes
How extreme does São Luís's weather get?
The hottest, coldest, wettest and snowiest days São Luís has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days São Luís has recorded — each shown against what a normal day that time of year looks like.
That is about 11°F hotter than a normal June afternoon in São Luís (typical high near 89°F).
The three most extreme on record
About 22°F colder than a normal March night in São Luís (typical low near 76°F).
The three most extreme on record
More rain in a single day than São Luís usually gets in the whole month of February (typical February total about 6.2 in).
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
São Luís's record heat sits well above even a hot day for the season — June's 100°F is about 11°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Marechal Cunha Machado Intl, a weather station, about 10 km from the city centre. The underlying daily records come from NOAA's global station network.