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Weather extremes

How extreme does Curitiba's weather get?

The hottest, coldest, wettest and snowiest days Curitiba 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 Bacacheri station 5 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 Curitiba has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
95°F Oct 31, 2012

That is about 21°F hotter than a normal October afternoon in Curitiba (typical high near 74°F).

The three most extreme on record

1 95°F Oct 31, 2012
2 95°F Jan 8, 2024
3 93°F Apr 4, 1993
❄️ Coldest night
28°F Jul 17, 2000

About 22°F colder than a normal July night in Curitiba (typical low near 50°F).

The three most extreme on record

1 28°F Jul 17, 2000
2 30°F Jul 10, 1994
3 30°F Aug 15, 1999
🌧️ Most rain in one day
4.88 in May 26, 1994

The three most extreme on record

1 4.88 in May 26, 1994
2 4.76 in Jan 8, 1995
3 3.39 in Jan 19, 2021

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° all-time high 95°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Curitiba's record heat sits well above even a hot day for the season — October's 95°F is about 21°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, Curitiba's warmest days reach the low 80s°F and its coldest nights drop to the low 50s°F. But across the record it has gone as high as 95°F and as low as 28°F. A single day has delivered over 5 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 Bacacheri, about 5 km from the city centre.

How we build these numbers →