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Weather extremes

How extreme does Potosí's weather get?

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

🔥 Hottest day
88°F Nov 21, 2001

That is about 24°F hotter than a normal November afternoon in Potosí (typical high near 64°F).

The three most extreme on record

1 88°F Nov 21, 2001
2 84°F Oct 8, 2003
3 83°F Oct 18, 2004
❄️ Coldest night
9°F Jul 8, 2002

About 18°F colder than a normal July night in Potosí (typical low near 27°F).

The three most extreme on record

1 9°F Jul 8, 2002
2 11°F Jun 19, 2003
3 12°F Aug 9, 2003
🌧️ Most rain in one day
6.26 in Oct 2, 2014

More rain in a single day than Potosí usually gets in the whole month of October (typical October total about 0.8 in).

The three most extreme on record

1 6.26 in Oct 2, 2014
2 5.35 in Feb 14, 1998
3 4.72 in Jan 1, 1991

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 88°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Potosí's record heat sits well above even a hot day for the season — November's 88°F is about 24°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, Potosí's warmest days reach the mid-60s°F and its coldest nights drop to the high 20s°F. But across the record it has gone as high as 88°F and as low as 9°F. A single day has delivered over 6 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 28 years of daily observations at Capitan Nicolas Rojas, 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 →