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Weather extremes

How extreme does Cancale's weather get?

The hottest, coldest, wettest and snowiest days Cancale 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 Dinard Pleurtuit Saint Malo station 19 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 Cancale has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
104°F Jul 18, 2022

That is about 32°F hotter than a normal July afternoon in Cancale (typical high near 72°F).

The three most extreme on record

1 104°F Jul 18, 2022recent
2 102°F Aug 5, 2003
3 101°F Jul 19, 2022
❄️ Coldest night
12°F Jan 2, 1997

About 26°F colder than a normal January night in Cancale (typical low near 39°F).

The three most extreme on record

1 12°F Jan 2, 1997
2 14°F Feb 7, 1991
3 14°F Feb 8, 1991
🌧️ Most rain in one day
4.28 in May 26, 2010

More rain in a single day than Cancale usually gets in the whole month of May (typical May total about 1.9 in).

The three most extreme on record

1 4.28 in May 26, 2010
2 2.04 in Nov 14, 2010
3 1.58 in Nov 2, 2008

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 104°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Cancale's record heat sits well above even a hot day for the season — July's 104°F is about 32°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, Cancale's warmest days reach the low 70s°F and its coldest nights drop to the high 30s°F. But across the record it has gone as high as 104°F and as low as 12°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 30 years of daily observations at Saint-cast-le-g, a weather station, about 29 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →