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Weather extremes

How extreme does Gravataí's weather get?

The hottest, coldest, wettest and snowiest days Gravataí has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Canoas / Campo Nossa Senhora De Fatima station 15 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Gravataí has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
108°F Feb 6, 2014

That is about 20°F hotter than a normal February afternoon in Gravataí (typical high near 87°F).

The three most extreme on record

1 108°F Feb 6, 2014
2 106°F Dec 27, 2013
3 106°F Feb 5, 2014
❄️ Coldest night
27°F Jun 9, 2012

About 24°F colder than a normal June night in Gravataí (typical low near 50°F).

The three most extreme on record

1 27°F Jun 9, 2012
2 28°F Jul 25, 2009
3 30°F Jul 14, 1991
🌧️ Most rain in one day
3.07 in Jan 24, 1992

The three most extreme on record

1 3.07 in Jan 24, 1992
2 3.07 in May 29, 2021
3 2.80 in Jan 27, 2022

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.

10°30°50°70°90°110°130° all-time high 108°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Gravataí's record heat sits well above even a hot day for the season — February's 108°F is about 20°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

In a normal year, Gravataí's warmest days reach the high 80s°F and its coldest nights drop to the high 40s°F. But across the record it has gone as high as 108°F and as low as 27°F. A single day has delivered over 3 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Porto Alegre, about 21 km from the city centre.

How we build these numbers →