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Weather extremes

How extreme does Converse's weather get?

The hottest, coldest, wettest and snowiest days Converse has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 8 years of daily weather observations (2018–present), from the Randolph Afb station 5 km away. Updated through May 2026 — 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 Converse has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
108°F Aug 21, 2024

That is about 12°F hotter than a normal August afternoon in Converse (typical high near 96°F).

The three most extreme on record

1 108°F Aug 21, 2024recent
2 107°F Jul 11, 2022
3 107°F Aug 17, 2023
❄️ Coldest night
9°F Feb 15, 2021

About 36°F colder than a normal February night in Converse (typical low near 45°F).

The three most extreme on record

1 9°F Feb 15, 2021recent
2 10°F Feb 16, 2021
3 13°F Feb 14, 2021
🌧️ Most rain in one day
4.10 in Apr 20, 2026

The three most extreme on record

1 4.10 in Apr 20, 2026recent
2 3.15 in Oct 26, 2023
3 2.76 in Jun 12, 2025

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 108°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Converse's record heat sits well above even a hot day for the season — August's 108°F is about 12°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, Converse's warmest days reach the mid-90s°F and its coldest nights drop to the low 40s°F. But across the record it has gone as high as 108°F and as low as 9°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 — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at San Antonio Incarnate Word (NOAA GHCN station USC00417947), about 16 km from the city centre.

How we build these numbers →