East Hampton, CT climate
East Hampton has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 19°, and about 39 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in East Hampton feels like
Winter
Spring
Summer
Fall
East Hampton weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 36° | 19° | 3.7" | 8.3" | 10 | 20° – 35° |
| February | 39° | 21° | 3.1" | 14.1" | 9 | 15° – 36° |
| March | 47° | 28° | 4.3" | 6.3" | 10 | 31° – 46° |
| April | 59° | 37° | 4.3" | 1.7" | 11 | 44° – 52° |
| May | 70° | 47° | 3.6" | 0 | 13 | 53° – 63° |
| June | 78° | 56° | 4.4" | 0 | 11 | 64° – 70° |
| July | 83° | 62° | 3.8" | 0 | 11 | 68° – 76° |
| August | 81° | 61° | 4.2" | 0 | 10 | 68° – 75° |
| September | 74° | 53° | 4.3" | 0 | 9 | 61° – 68° |
| October | 63° | 42° | 4.7" | 0.3" | 11 | 48° – 59° |
| November | 51° | 33° | 4.0" | 1.1" | 9 | 37° – 47° |
| December | 41° | 25° | 4.5" | 7.2" | 10 | 26° – 43° |
| Year | 60° | 40° | 48.7" | 39.0" | 123 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in East Hampton
East Hampton gets 49 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 123 days a year.
About 191 frost-free days a year
In half of years the last 32° night comes by April 17 and the first one by October 26. That leaves about 191 frost-free days for gardens, longer than 65% of U.S. towns.
Heating and cooling a home in East Hampton
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In East Hampton, 86% of that work is heating and 14% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
East Hampton and its neighbors
East Hampton borders 7 towns with climate data. January nights across them vary by 0.9°. Marlborough has the coldest January nights (19°) and Middletown the hottest July afternoons (85°). East Hampton’s January low is 19° and its July high 83°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How East Hampton compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in East Hampton averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.4°). The shift is larger than in 93% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at East Hampton’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 15° to 36°. June is the most reliable, staying within 6°.
Common questions about East Hampton’s climate
What is the coldest month in East Hampton?
January, with a typical high of 36° and a low of 19°.
What is the hottest month in East Hampton?
July, with a typical high of 83° and a low of 62°. About 17 days a year reach 90°.
How much snow does East Hampton get?
About 39 inches in a normal winter, most of it in February.
When is the first frost in East Hampton?
In half of years the first 32° night comes by October 26, and the last spring frost by April 17.
What is the rainiest month in East Hampton?
October, with 4.7 inches of rain and melted snow. The year totals 49 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for East Hampton itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Storrs, CT (21 mi, snow) and Hartford Brainard Fld, CT (14 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.