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Weather extremes

How extreme does Carlisle's weather get?

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

🔥 Hottest day
94°F Jul 19, 2022

That is about 27°F hotter than a normal July afternoon in Carlisle (typical high near 67°F).

The three most extreme on record

1 94°F Jul 19, 2022recent
2 90°F Jul 25, 2019
3 89°F Aug 9, 2003
❄️ Coldest night
6°F Dec 8, 2010

About 30°F colder than a normal December night in Carlisle (typical low near 35°F).

The three most extreme on record

1 6°F Dec 8, 2010
2 6°F Jan 7, 2010
3 8°F Jan 9, 2010
🌧️ Most rain in one day
3.55 in Oct 12, 2005

About 98% of a typical October's rain in a single day (Carlisle averages roughly 3.6 in across the month).

The three most extreme on record

1 3.55 in Oct 12, 2005
2 3.40 in May 23, 2024
3 2.99 in Oct 4, 2014

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° all-time high 94°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Carlisle's record heat sits well above even a hot day for the season — July's 94°F is about 27°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, Carlisle's warmest days reach the high 60s°F and its coldest nights drop to the mid-30s°F. But across the record it has gone as high as 94°F and as low as 6°F. A single day has delivered over 4 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 29 years of daily observations at Carlisle, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →