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Weather extremes

How extreme does São José dos Campos's weather get?

The hottest, coldest, wettest and snowiest days São José dos Campos 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 Professor Urbano Ernesto Stumpf station 6 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 São José dos Campos has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
104°F Oct 17, 2014

That is about 22°F hotter than a normal October afternoon in São José dos Campos (typical high near 82°F).

The three most extreme on record

1 104°F Oct 17, 2014
2 104°F Oct 19, 2014
3 102°F Jan 18, 2015
❄️ Coldest night
32°F Jul 10, 1992

About 22°F colder than a normal July night in São José dos Campos (typical low near 54°F).

The three most extreme on record

1 32°F Jul 10, 1992
2 32°F Aug 25, 1992
3 34°F Jun 13, 2016

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 104°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

São José dos Campos's record heat sits well above even a hot day for the season — October's 104°F is about 22°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, São José dos Campos's warmest days reach the mid-80s°F and its coldest nights drop to the mid-50s°F. But across the record it has gone as high as 104°F and as low as 32°F. 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 Sao Paulo(mir.de Santana), about 83 km from the city centre.

How we build these numbers →