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Weather extremes

How extreme does Prescott's weather get?

The hottest, coldest, wettest and snowiest days Prescott 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 Prescott station 5 km away. Updated through June 2026 — 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 Prescott has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
105°F Jun 21, 2017

That is about 18°F hotter than a normal June afternoon in Prescott (typical high near 87°F).

The three most extreme on record

1 105°F Jun 21, 2017
2 105°F Jun 16, 2021
3 104°F Jun 29, 2013
❄️ Coldest night
-8°F Dec 23, 1990

About 32°F colder than a normal December night in Prescott (typical low near 24°F).

The three most extreme on record

1 -8°F Dec 23, 1990
2 -6°F Dec 8, 1978
3 -5°F Jan 7, 1971
🌧️ Most rain in one day
3.12 in Jul 19, 2018

More rain in a single day than Prescott usually gets in the whole month of July (typical July total about 2.7 in).

The three most extreme on record

1 3.12 in Jul 19, 2018
2 3.08 in Sep 24, 1983
3 2.97 in Jan 22, 2010
Most snow in one day
15.0 in Feb 24, 1987

Close to a whole typical February's snow in one day (Prescott averages about 3 in across the month).

The three most extreme on record

1 15.0 in Feb 24, 1987
2 14.0 in Feb 22, 2019
3 12.0 in Mar 6, 1981

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.

-30°-10°10°30°50°70°90°110°130° all-time high 105°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Prescott's record heat sits well above even a hot day for the season — June's 105°F is about 18°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, Prescott's warmest days reach the low 90s°F and its coldest nights drop to the mid-20s°F. But across the record it has gone as high as 105°F and as low as −8°F. A single day has delivered over 3 inches of rain or close to 15 inches of snow. 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 NOAA's U.S. Climate Normals, measured at Prescott (NOAA GHCN station USC00026796), about 5 km from the city centre.

How we build these numbers →