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Weather extremes

How extreme does Haverhill's weather get?

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

Based on 29 years of daily weather observations (1997–present), from the Lawrence Muni Ap station 8 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 Haverhill has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
103°F Jul 22, 2011

That is about 20°F hotter than a normal July afternoon in Haverhill (typical high near 83°F).

The three most extreme on record

1 103°F Jul 22, 2011
2 102°F Jul 31, 2008
3 100°F Jul 24, 2022
❄️ Coldest night
-12°F Feb 4, 2023

About 33°F colder than a normal February night in Haverhill (typical low near 21°F).

The three most extreme on record

1 -12°F Feb 4, 2023recent
2 -11°F Feb 14, 2016
3 -10°F Feb 3, 2023
🌧️ Most rain in one day
6.72 in Aug 8, 2023

More rain in a single day than Haverhill usually gets in the whole month of August (typical August total about 3.0 in).

The three most extreme on record

1 6.72 in Aug 8, 2023recent
2 4.52 in May 13, 2006
3 4.52 in Mar 14, 2010

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 103°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Haverhill's record heat sits well above even a hot day for the season — July's 103°F is about 20°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, Haverhill's warmest days reach the low 80s°F and its coldest nights drop to the high 10s°F. But across the record it has gone as high as 103°F and as low as −12°F. A single day has delivered over 7 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 Reading (NOAA GHCN station USC00196783), about 28 km from the city centre.

How we build these numbers →