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Weather extremes

How extreme does Charlottetown's weather get?

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

🔥 Hottest day
93°F Jul 19, 1975

That is about 19°F hotter than a normal July afternoon in Charlottetown (typical high near 74°F).

The three most extreme on record

1 93°F Jul 19, 1975
2 92°F Aug 13, 2025
3 91°F Aug 10, 2001
❄️ Coldest night
-23°F Jan 18, 1982

About 34°F colder than a normal January night in Charlottetown (typical low near 11°F).

The three most extreme on record

1 -23°F Jan 18, 1982
2 -22°F Feb 7, 1993
3 -21°F Jan 5, 1981
🌧️ Most rain in one day
5.91 in Feb 25, 2025

More rain in a single day than Charlottetown usually gets in the whole month of February (typical February total about 4.0 in).

The three most extreme on record

1 5.91 in Feb 25, 2025recent
2 5.12 in Feb 26, 2025
3 4.72 in Nov 26, 2018
Most snow in one day
29.3 in Feb 19, 2004

Close to a whole typical February's snow in one day (Charlottetown averages about 25 in across the month).

The three most extreme on record

1 29.3 in Feb 19, 2004
2 20.4 in Jan 1, 2009
3 19.6 in Dec 27, 2004

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.

-50°-30°-10°10°30°50°70°90°110° all-time high 93°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Charlottetown's record heat sits well above even a hot day for the season — July's 93°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, Charlottetown's warmest days reach the mid-70s°F and its coldest nights drop to the low 10s°F. But across the record it has gone as high as 93°F and as low as −23°F. A single day has delivered over 6 inches of rain or close to 29 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 — 1991–2020 normals computed from 22 years of daily observations at Charlottetown A, a weather station, about 6 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →