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Weather extremes

How extreme does Florence's weather get?

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

🔥 Hottest day
110°F Aug 1, 2012

That is about 19°F hotter than a normal August afternoon in Florence (typical high near 91°F).

The three most extreme on record

1 110°F Aug 1, 2012
2 106°F Aug 1, 2017
3 106°F Aug 5, 2003
❄️ Coldest night
14°F Dec 30, 2005

About 23°F colder than a normal December night in Florence (typical low near 37°F).

The three most extreme on record

1 14°F Dec 30, 2005
2 15°F Feb 7, 1991
3 15°F Feb 28, 2018
🌧️ Most rain in one day
11.73 in May 26, 1995

More rain in a single day than Florence usually gets in the whole month of May (typical May total about 2.8 in).

The three most extreme on record

1 11.73 in May 26, 1995
2 4.92 in Mar 14, 2025
3 3.46 in Apr 24, 1995

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 110°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Florence's record heat sits well above even a hot day for the season — August's 110°F is about 19°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, Florence's warmest days reach the low 90s°F and its coldest nights drop to the mid-30s°F. But across the record it has gone as high as 110°F and as low as 14°F. A single day has delivered over 12 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 the WMO's CLINO 1991–2020 collection, measured at Firenze_peretola, about 5 km from the city centre.

How we build these numbers →