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Weather extremes

How extreme does Canelones's weather get?

The hottest, coldest, wettest and snowiest days Canelones 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 Angel S Adami station 30 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 Canelones has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
106°F Jan 14, 2022

That is about 23°F hotter than a normal January afternoon in Canelones (typical high near 83°F).

The three most extreme on record

1 106°F Jan 14, 2022recent
2 104°F Jan 15, 2022
3 102°F Jan 31, 2003
❄️ Coldest night
28°F Jul 11, 2007

About 16°F colder than a normal July night in Canelones (typical low near 44°F).

The three most extreme on record

1 28°F Jul 11, 2007
2 28°F Jul 12, 2001
3 28°F Jul 12, 2024
🌧️ Most rain in one day
13.19 in Sep 18, 2009

More rain in a single day than Canelones usually gets in the whole month of September (typical September total about 3.6 in).

The three most extreme on record

1 13.19 in Sep 18, 2009
2 12.40 in Oct 30, 2009
3 11.22 in Mar 8, 2005

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°30°50°70°90°110°130° all-time high 106°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Canelones's record heat sits well above even a hot day for the season — January's 106°F is about 23°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, Canelones's warmest days reach the low 80s°F and its coldest nights drop to the mid-40s°F. But across the record it has gone as high as 106°F and as low as 28°F. A single day has delivered over 13 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 Carrasco Intl, a weather station, about 42 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →