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Weather extremes

How extreme does Cypress's weather get?

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

Based on 28 years of daily weather observations (1998–present), from the Houston Hooks Mem Ap station 17 km away. Updated through June 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 Cypress has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
111°F Jun 14, 1999

That is about 19°F hotter than a normal June afternoon in Cypress (typical high near 92°F).

The three most extreme on record

1 111°F Jun 14, 1999
2 111°F Sep 4, 2000
3 111°F Aug 27, 2023
❄️ Coldest night
-15°F Jun 14, 1998

About 88°F colder than a normal June night in Cypress (typical low near 73°F).

The three most extreme on record

1 -15°F Jun 14, 1998
2 14°F Feb 15, 2021
3 14°F Feb 16, 2021
🌧️ Most rain in one day
15.49 in Aug 27, 2017

More rain in a single day than Cypress usually gets in the whole month of August (typical August total about 4.9 in).

The three most extreme on record

1 15.49 in Aug 27, 2017
2 9.37 in Jun 8, 2001
3 9.06 in Oct 18, 1998
Most snow in one day
2.0 in Dec 8, 2017

Top recorded days

1 2.0 in Dec 8, 2017
2 1.5 in Jan 21, 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.

-30°-10°10°30°50°70°90°110°130° all-time high 111°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Cypress's record heat sits well above even a hot day for the season — June's 111°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, Cypress'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 111°F and as low as −15°F. A single day has delivered over 15 inches of rain or close to 2 inches of snow. 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 Houston Hooks Mem AP (NOAA GHCN station USW00053910), about 17 km from the city centre.

How we build these numbers →