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Weather extremes

How extreme does Paraná's weather get?

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

Based on 50+ years of daily weather observations (1971–present), from the Parana Aero station 7 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 Paraná has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
108°F Jan 14, 2022

That is about 20°F hotter than a normal January afternoon in Paraná (typical high near 88°F).

The three most extreme on record

1 108°F Jan 14, 2022recent
2 107°F Jan 13, 2022
3 107°F Jan 15, 2022
❄️ Coldest night
19°F Jul 10, 1976

About 26°F colder than a normal July night in Paraná (typical low near 45°F).

The three most extreme on record

1 19°F Jul 10, 1976
2 20°F Jul 26, 1975
3 21°F Jun 15, 1979
🌧️ Most rain in one day
13.78 in Mar 2, 1981

More rain in a single day than Paraná usually gets in the whole month of March (typical March total about 7.8 in).

The three most extreme on record

1 13.78 in Mar 2, 1981
2 11.81 in Jan 29, 1978
3 9.69 in Aug 21, 1989

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

Paraná's record heat sits well above even a hot day for the season — January'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, Paraná's warmest days reach the high 80s°F and its coldest nights drop to the mid-40s°F. But across the record it has gone as high as 108°F and as low as 19°F. A single day has delivered over 14 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 21 years of daily observations at Parana Aero, a weather station, about 7 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →