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Weather extremes

How extreme does Mossoró's weather get?

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

Based on 33 years of daily weather observations (1992–present), from the Dix Sept Rosado station 3 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 Mossoró has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
106°F Nov 18, 2019

That is about 9°F hotter than a normal November afternoon in Mossoró (typical high near 97°F).

The three most extreme on record

1 106°F Nov 18, 2019
2 104°F Oct 28, 2019
3 104°F Jun 16, 2021
❄️ Coldest night
57°F Aug 1, 1998

About 22°F colder than a normal August night in Mossoró (typical low near 79°F).

The three most extreme on record

1 57°F Aug 1, 1998
2 64°F Dec 5, 1996
3 66°F Jun 10, 1997
🌧️ Most rain in one day
0.31 in May 12, 1997

The three most extreme on record

1 0.31 in May 12, 1997
2 0.24 in Jan 22, 1997
3 0.24 in May 24, 1997

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.

30°50°70°90°110°130° all-time high 106°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Mossoró's record heat sits well above even a hot day for the season — November's 106°F is about 9°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, Mossoró's warmest days reach the high 90s°F and its coldest nights drop to the high 70s°F. But across the record it has gone as high as 106°F and as low as 57°F. A single day has delivered over 0 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 Jaguaruana, about 65 km from the city centre.

How we build these numbers →