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Weather extremes

How extreme does Brighton's weather get?

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

Based on 50+ years of daily weather observations (1973–present), from the Brighton 3 Se station 5 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 Brighton has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
105°F Jul 22, 2005

That is about 15°F hotter than a normal July afternoon in Brighton (typical high near 90°F).

The three most extreme on record

1 105°F Jul 22, 2005
2 104°F Jul 21, 2005
3 104°F Jun 15, 2006
❄️ Coldest night
-26°F Dec 22, 1990

About 42°F colder than a normal December night in Brighton (typical low near 16°F).

The three most extreme on record

1 -26°F Dec 22, 1990
2 -24°F Feb 5, 1989
3 -24°F Dec 18, 2016
🌧️ Most rain in one day
3.42 in May 12, 2023

More rain in a single day than Brighton usually gets in the whole month of May (typical May total about 2.4 in).

The three most extreme on record

1 3.42 in May 12, 2023recent
2 2.73 in May 13, 1982
3 2.40 in Jun 7, 1997
Most snow in one day
21.1 in Mar 16, 2021

Close to a whole typical March's snow in one day (Brighton averages about 6 in across the month).

The three most extreme on record

1 21.1 in Mar 16, 2021recent
2 13.0 in Mar 19, 2003
3 12.0 in Dec 24, 1973

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.

-50°-30°-10°10°30°50°70°90°110°130° all-time high 105°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Brighton's record heat sits well above even a hot day for the season — July's 105°F is about 15°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, Brighton's warmest days reach the low 90s°F and its coldest nights drop to the mid-10s°F. But across the record it has gone as high as 105°F and as low as −26°F. A single day has delivered over 3 inches of rain or close to 21 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 Brighton 3 SE (NOAA GHCN station USC00050950), about 5 km from the city centre.

How we build these numbers →