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Weather extremes

How extreme does Greenwood's weather get?

The hottest, coldest, wettest and snowiest days Greenwood 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 Castleton 2 S station 30 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 Greenwood has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
105°F Jun 28, 2012

That is about 23°F hotter than a normal June afternoon in Greenwood (typical high near 82°F).

The three most extreme on record

1 105°F Jun 28, 2012
2 103°F Jul 7, 2012
3 102°F Jun 29, 2012
❄️ Coldest night
-14°F Jan 2, 2018

About 34°F colder than a normal January night in Greenwood (typical low near 20°F).

The three most extreme on record

1 -14°F Jan 2, 2018
2 -14°F Jan 30, 2019
3 -13°F Jan 6, 2014
🌧️ Most rain in one day
7.94 in Sep 1, 2003

More rain in a single day than Greenwood usually gets in the whole month of September (typical September total about 3.6 in).

The three most extreme on record

1 7.94 in Sep 1, 2003
2 4.32 in Jun 20, 2011
3 4.14 in Jul 26, 2015
Most snow in one day
11.9 in Jan 5, 2014

Close to a whole typical January's snow in one day (Greenwood averages about 8 in across the month).

The three most extreme on record

1 11.9 in Jan 5, 2014
2 8.3 in Jan 25, 2026
3 7.9 in Feb 13, 2007

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 105°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Greenwood's record heat sits well above even a hot day for the season — June's 105°F is about 23°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, Greenwood's warmest days reach the mid-80s°F and its coldest nights drop to the low 20s°F. But across the record it has gone as high as 105°F and as low as −14°F. A single day has delivered over 8 inches of rain or close to 12 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 Greenfield (NOAA GHCN station USC00123527), about 35 km from the city centre.

How we build these numbers →