Climate · South Hero

South Hero, VT climate

South Hero has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 11°, and about 50 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
82°
61st hottest of 416 Vermont towns
January low
11°
35th mildest of 416 Vermont towns
Rain + melted snow
35 in
2nd driest of 416 Vermont towns
Snow a winter
50 in
5th least snowy of 411 Vermont towns
A normal year

What a year in South Hero feels like

Winter

31° / 15°
Typical high / low · 14 days with an inch or more of snow

Spring

54° / 34°
Typical high / low · Last frost around Apr 28

Summer

79° / 60°
Typical high / low · 6 days reach 90° in a normal year

Fall

59° / 42°
Typical high / low · First frost around Oct 20
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

South Hero weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground
January28°11°1.9" 11.4"1124
February31°12°1.6" 11.6"822
March40°22°2.0" 10.6"1016
April54°34°2.7" 2.2"112
May68°46°3.4" 0120
June77°56°4.1" 0120
July82°62°3.9" 0120
August80°61°3.6" 0110
September72°53°3.3" 0100
October58°42°3.7" 0.1"110
November46°31°2.7" 3.3"103
December34°21°2.2" 10.9"1114
Year56°38°35.0"50.1"12781

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more.

Rain & snow

Rain and snow in South Hero

South Hero gets 35 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 127 days a year. Snow covers the ground about 81 days of the year.

35 in
Rain + melted snow a year
Less rain than 65% of U.S. towns
50 in
Snow in a normal winter
More snow than 83% of U.S. towns
81 days
With 1"+ of snow on the ground
More than 82% of U.S. towns

Rain + melted snow by month

Inches of water
4.1"

Snowfall by month

Inches of snow
12"
Frost & the growing season

About 174 frost-free days a year

In half of years the last 32° night comes by April 28 and the first one by October 20. That leaves about 174 frost-free days for gardens, shorter than 56% of U.S. towns.

141
nights at or below 32° in a normal year
15
nights below 0° in a normal year
6
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 South Hero

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In South Hero, 93% of that work is heating and 7% is cooling, so the furnace matters far more than the air conditioner.

93%heating
7,220 heating degree daysMore heating than 76% of U.S. towns
577 cooling degree daysLess cooling than 71% 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 South Hero

South Hero and its neighbors

South Hero borders 5 towns with climate data. January nights across them vary by 2.3°. Peru has the coldest January nights (9°) and Colchester the hottest July afternoons (81°). South Hero’s January low is 11° and its July high 82°.

Schuyler Falls: January low 9°, July high 79°Beekmantown: January low 9°, July high 80°Saranac: January low 7°, July high 77°Au Sable: January low 9°, July high 80°Black Brook: January low 6°, July high 77°Westford: January low 9°, July high 80°Georgia: January low 9°, July high 80°Fairfax: January low 9°, July high 80°Burlington: January low 10°, July high 81°Chesterfield: January low 10°, July high 79°South Burlington: January low 10°, July high 81°Winooski: January low 10°, July high 81°Essex: January low 10°, July high 80°North Hero: January low 9°, July high 81°St. Albans: January low 9°, July high 81°Plattsburgh: January low 9°, July high 80°Peru: January low 9°, July high 80°Milton: January low 10°, July high 80°Colchester: January low 10°, July high 81°Grand Isle: January low 9°, July high 81°South Hero: January low 11°, July high 82° South HeroPlattsburghPeruMiltonColchesterGrand Isle
ColderMilder6° to 11°
Peru9.0° −2.3°
Plattsburgh9.1° −2.2°
Grand Isle9.4° −1.9°
Milton9.6° −1.7°
Colchester10.0° −1.3°
South Hero11.3°

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

Compared with other towns

How South Hero compares

Summer heat82° July high
Cooler than 78% of U.S. towns61st hottest of 416 Vermont towns
Winter cold11° January low
Colder than 79% of U.S. towns35th mildest of 416 Vermont towns
Precipitation35" a year
Drier than 65% of U.S. towns2nd driest of 416 Vermont towns
Snow50" a winter
Snowier than 83% of U.S. towns5th least snowy of 411 Vermont towns
Growing season174 frost-free days
Shorter than 56% of U.S. towns1st longest of 416 Vermont towns

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

Questions

Common questions about South Hero’s climate

What is the coldest month in South Hero?

January, with a typical high of 28° and a low of 11°.

What is the hottest month in South Hero?

July, with a typical high of 82° and a low of 62°. About 6 days a year reach 90°.

How much snow does South Hero get?

About 50 inches in a normal winter, most of it in February.

When is the first frost in South Hero?

In half of years the first 32° night comes by October 20, and the last spring frost by April 28.

What is the rainiest month in South Hero?

June, with 4.1 inches of rain and melted snow. The year totals 35 inches.

NOAA’s gridded normals don’t cover this state, so temperatures and rainfall come from the nearest weather station. Snow, frost dates and day counts come from NOAA’s weather station at South Hero, VT (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020.

The porch light’s on

Where to, neighbor?

You’re in South Hero, VTGrand Isle CountyView boundary

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