Climate · Summerhill

Summerhill, NY climate

Summerhill has cold, snowy winters and pleasant summers. A typical July afternoon reaches 78°, a January night drops to 14°, and about 64 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
78°
197th coolest of 2,223 New York towns
January low
14°
695th coldest of 2,223 New York towns
Rain + melted snow
44 in
1057th wettest of 2,223 New York towns
Snow a winter
64 in
949th snowiest of 2,158 New York towns
A normal year

What a year in Summerhill feels like

Winter

32° / 17°
Typical high / low · 25 days with an inch or more of snow

Spring

53° / 33°
Typical high / low · Last frost around May 7

Summer

76° / 56°
Typical high / low · 3 days reach 90° in a normal year

Fall

57° / 39°
Typical high / low · First frost around Oct 8
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Summerhill weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January29°14°3.0" 16.1"1422 12° – 30°
February32°15°2.5" 14.5"1120 9° – 32°
March40°22°3.2" 13.0"1214 23° – 44°
April53°33°3.6" 2.4"122 37° – 49°
May66°45°3.7" 0130 49° – 61°
June74°53°4.5" 0130 61° – 69°
July78°58°4.2" 0130 64° – 72°
August77°56°4.1" 0110 63° – 70°
September70°49°4.3" 0110 57° – 64°
October57°39°4.2" 0.1"140 43° – 55°
November45°30°3.4" 5.6"125 32° – 43°
December34°21°3.5" 12.7"1414 19° – 38°
Year55°36°44.3"64.4"14977

“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 & snow

Rain and snow in Summerhill

Summerhill gets 44 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 149 days a year. Snow covers the ground about 77 days of the year.

44 in
Rain + melted snow a year
More rain than 66% of U.S. towns
64 in
Snow in a normal winter
More snow than 90% of U.S. towns
77 days
With 1"+ of snow on the ground
More than 80% of U.S. towns

Rain + melted snow by month

Inches of water
4.5"

Snowfall by month

Inches of snow
16"
Frost & the growing season

About 154 frost-free days a year

In half of years the last 32° night comes by May 7 and the first one by October 8. That leaves about 154 frost-free days for gardens, shorter than 77% of U.S. towns.

156
nights at or below 32° in a normal year
16
nights below 0° in a normal year
3
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Summerhill

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Summerhill, 96% of that work is heating and 4% is cooling, so the furnace matters far more than the air conditioner.

96%heating
7,509 heating degree daysMore heating than 80% of U.S. towns
343 cooling degree daysLess cooling than 89% of U.S. towns

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.

Around Summerhill

Summerhill and its neighbors

Summerhill borders 5 towns with climate data. January nights across them vary by 2.2°. Sempronius has the coldest January nights (13°) and Locke the hottest July afternoons (80°). Summerhill’s January low is 14° and its July high 78°.

Genoa: January low 16°, July high 80°Lansing: January low 16°, July high 82°Moravia: January low 15°, July high 79°Dryden: January low 15°, July high 80°Truxton: January low 13°, July high 78°Preble: January low 14°, July high 79°Scott: January low 13°, July high 78°Niles: January low 15°, July high 79°Spafford: January low 14°, July high 78°Virgil: January low 13°, July high 78°Solon: January low 13°, July high 78°Freetown: January low 14°, July high 79°Locke: January low 16°, July high 80°Groton: January low 15°, July high 79°Homer: January low 14°, July high 80°Sempronius: January low 13°, July high 77°Cortlandville: January low 14°, July high 79°Summerhill: January low 14°, July high 78° SummerhillLockeGrotonHomerSemproniusCortlandville
ColderMilder13° to 16°
Sempronius13.3° −0.5°
Summerhill13.8°
Cortlandville13.8° same
Homer14.4° +0.6°
Groton14.6° +0.8°
Locke15.5° +1.7°

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Summerhill compares

Summer heat78° July high
Cooler than 95% of U.S. towns197th coolest of 2,223 New York towns
Winter cold14° January low
Colder than 74% of U.S. towns695th coldest of 2,223 New York towns
Precipitation44" a year
Wetter than 66% of U.S. towns1057th wettest of 2,223 New York towns
Snow64" a winter
Snowier than 90% of U.S. towns949th snowiest of 2,158 New York towns
Growing season154 frost-free days
Shorter than 77% of U.S. towns748th shortest of 2,222 New York towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+1.1°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Summerhill averaged 1.1° warmer than the 1900s. The biggest change is in February (+2.6°). The shift is smaller than in 65% of U.S. towns.

❄️ Winter+2.1° now 24°, was 22°
🌷 Spring+0.8° now 43°, was 42°
☀️ Summer+0.5° now 66°, was 66°
🍂 Fall+0.8° now 48°, was 48°

Change by month1991–2020 average minus 1901–2000 average, at Summerhill’s spot on NOAA’s grid

Year to year

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 9° to 32°. August is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Summerhill’s climate

What is the coldest month in Summerhill?

January, with a typical high of 29° and a low of 14°.

What is the hottest month in Summerhill?

July, with a typical high of 78° and a low of 58°. About 3 days a year reach 90°.

How much snow does Summerhill get?

About 64 inches in a normal winter, most of it in January.

When is the first frost in Summerhill?

In half of years the first 32° night comes by October 8, and the last spring frost by May 7.

What is the rainiest month in Summerhill?

June, with 4.5 inches of rain and melted snow. The year totals 44 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Summerhill itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Freeville 1 Ne, NY (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

The coffee’s on

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