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Weather extremes

How extreme does Sheridan's weather get?

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

Based on 49 years of daily weather observations (1977–present), from the Sheridan station. Updated through May 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 Sheridan has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
108°F Jul 17, 1980

That is about 16°F hotter than a normal July afternoon in Sheridan (typical high near 92°F).

The three most extreme on record

1 108°F Jul 17, 1980
2 108°F Sep 1, 2000
3 108°F Jul 31, 2012
❄️ Coldest night
-8°F Dec 23, 1989

About 40°F colder than a normal December night in Sheridan (typical low near 32°F).

The three most extreme on record

1 -8°F Dec 23, 1989
2 -4°F Dec 24, 1989
3 -3°F Jan 11, 1982
🌧️ Most rain in one day
8.08 in Apr 5, 1997

More rain in a single day than Sheridan usually gets in the whole month of April (typical April total about 5.9 in).

The three most extreme on record

1 8.08 in Apr 5, 1997
2 8.00 in May 25, 2024
3 7.50 in Sep 3, 2008
Most snow in one day
13.0 in Feb 18, 2021

Close to a whole typical February's snow in one day (Sheridan averages about 1 in across the month).

The three most extreme on record

1 13.0 in Feb 18, 2021recent
2 12.0 in Jan 7, 1988
3 10.0 in Jan 28, 2000

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 108°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Sheridan's record heat sits well above even a hot day for the season — July's 108°F is about 16°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, Sheridan's warmest days reach the low 90s°F and its coldest nights drop to the high 20s°F. But across the record it has gone as high as 108°F and as low as −8°F. A single day has delivered over 8 inches of rain or close to 13 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 Sheridan (NOAA GHCN station USC00036562), inside the city.

How we build these numbers →