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Weather extremes

How extreme does Monclova's weather get?

The hottest, coldest, wettest and snowiest days Monclova 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 Monclova Intl station 7 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 Monclova has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
117°F May 28, 2011

That is about 19°F hotter than a normal May afternoon in Monclova (typical high near 98°F).

The three most extreme on record

1 117°F May 28, 2011
2 117°F May 25, 2024
3 115°F Jun 21, 2023
❄️ Coldest night
14°F Feb 15, 2021

About 36°F colder than a normal February night in Monclova (typical low near 50°F).

The three most extreme on record

1 14°F Feb 15, 2021recent
2 18°F Feb 4, 2011
3 19°F Feb 3, 2011
🌧️ Most rain in one day
11.10 in Sep 14, 1997

More rain in a single day than Monclova usually gets in the whole month of September (typical September total about 3.1 in).

The three most extreme on record

1 11.10 in Sep 14, 1997
2 6.69 in Sep 23, 1996
3 4.92 in Jun 11, 1993

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 117°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Monclova's record heat sits well above even a hot day for the season — May's 117°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, Monclova's warmest days reach the low 100s°F and its coldest nights drop to the mid-40s°F. But across the record it has gone as high as 117°F and as low as 14°F. A single day has delivered over 11 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 — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at El Marquez, about 30 km from the city centre.

How we build these numbers →