Climate-Zone.com

HomeCitiesBrazilFoz do IguaçuTools › Weather extremes

Weather extremes

How extreme does Foz do Iguaçu's weather get?

The hottest, coldest, wettest and snowiest days Foz do Iguaçu 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 Cataratas Intl station 11 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 Foz do Iguaçu has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
104°F Jan 23, 2022

That is about 13°F hotter than a normal January afternoon in Foz do Iguaçu (typical high near 91°F).

The three most extreme on record

1 104°F Jan 23, 2022recent
2 104°F Jan 24, 2022
3 104°F Nov 12, 2003
❄️ Coldest night
25°F Jul 25, 2009

About 28°F colder than a normal July night in Foz do Iguaçu (typical low near 53°F).

The three most extreme on record

1 25°F Jul 25, 2009
2 27°F Aug 15, 1999
3 28°F May 7, 1995
🌧️ Most rain in one day
7.01 in Nov 25, 2017

More rain in a single day than Foz do Iguaçu usually gets in the whole month of November (typical November total about 4.6 in).

The three most extreme on record

1 7.01 in Nov 25, 2017
2 6.77 in May 1, 2014
3 6.02 in Dec 6, 1992

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

Foz do Iguaçu's record heat sits well above even a hot day for the season — January's 104°F is about 13°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, Foz do Iguaçu's warmest days reach the low 90s°F and its coldest nights drop to the low 50s°F. But across the record it has gone as high as 104°F and as low as 25°F. A single day has delivered over 7 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 — 1991–2020 normals computed from 30 years of daily observations at Cataratas Intl, a weather station, about 11 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →