Climate · Lyndon

Lyndon, VT climate

Lyndon has cold, snowy winters and pleasant summers. A typical July afternoon reaches 79°, a January night drops to 5°, and about 142 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
79°
200th hottest of 416 Vermont towns
January low
5°
31st coldest of 416 Vermont towns
Rain + melted snow
41 in
88th driest of 416 Vermont towns
Snow a winter
142 in
3rd snowiest of 411 Vermont towns
A normal year

What a year in Lyndon feels like

Winter

29° / 8°
Typical high / low · 43 days with an inch or more of snow

Spring

53° / 28°
Typical high / low · Last frost around May 9

Summer

77° / 53°
Typical high / low · 90° days are rare

Fall

56° / 36°
Typical high / low · First frost around Oct 1
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Lyndon 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
January26°5°2.6" 31.3"2131 4° – 24°
February30°6°2.2" 35.8"1829 4° – 25°
March39°16°2.5" 23.5"1728 16° – 37°
April53°29°3.1" 9.2"1613 36° – 46°
May67°40°3.8" 0.6"160 47° – 59°
June75°50°4.2" 0170 60° – 67°
July79°55°4.6" 0150 63° – 70°
August78°53°4.0" 0140 63° – 69°
September70°46°3.5" 0110 52° – 62°
October56°36°4.1" 1.6"171 41° – 53°
November43°26°3.0" 12.0"1711 28° – 40°
December31°14°3.1" 27.7"2126 15° – 34°
Year54°31°40.7"141.7"199138

“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 Lyndon

Lyndon gets 41 inches of rain and melted snow a year. July is the wettest month and February the driest. Rain or snow falls on about 199 days a year. Snow covers the ground about 138 days of the year.

41 in
Rain + melted snow a year
More rain than 53% of U.S. towns
142 in
Snow in a normal winter
More snow than 99% of U.S. towns
138 days
With 1"+ of snow on the ground
More than 99% of U.S. towns

Rain + melted snow by month

Inches of water
4.6"

Snowfall by month

Inches of snow
36"
Frost & the growing season

About 143 frost-free days a year

In half of years the last 32° night comes by May 9 and the first one by October 1. That leaves about 143 frost-free days for gardens, shorter than 87% of U.S. towns.

177
nights at or below 32° in a normal year
33
nights below 0° in a normal year
<1
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°
Heating & cooling

Heating and cooling a home in Lyndon

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lyndon, 98% of that work is heating and 2% is cooling, so the furnace matters far more than the air conditioner.

98%heating
8,857 heating degree daysMore heating than 94% of U.S. towns
189 cooling degree daysLess cooling than 96% 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 Lyndon

Lyndon and its neighbors

Lyndon borders 5 towns with climate data. January nights across them vary by 0.6°. Burke has the coldest January nights (5°) and St. Johnsbury the hottest July afternoons (79°). Lyndon’s January low is 5° and its July high 79°.

Victory: January low 5°, July high 78°Concord: January low 5°, July high 79°East Haven: January low 4°, July high 73°Newark: January low 5°, July high 75°Danville: January low 6°, July high 78°Waterford: January low 6°, July high 80°Barnet: January low 6°, July high 80°Sheffield: January low 5°, July high 75°Stannard: January low 4°, July high 72°Greensboro: January low 5°, July high 75°Barton: January low 5°, July high 76°Westmore: January low 4°, July high 73°Kirby: January low 5°, July high 78°Burke: January low 5°, July high 79°St. Johnsbury: January low 5°, July high 79°Wheelock: January low 5°, July high 75°Sutton: January low 5°, July high 78°Lyndon: January low 5°, July high 79° LyndonKirbyBurkeSt. JohnsburyWheelockSutton
ColderMilder4° to 6°
Burke4.6° −0.2°
Sutton4.7° −0.1°
Lyndon4.8°
Wheelock4.8° same
Kirby5.2° +0.4°
St. Johnsbury5.2° +0.4°

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

Compared with other towns

How Lyndon compares

Summer heat79° July high
Cooler than 92% of U.S. towns200th hottest of 416 Vermont towns
Winter cold5° January low
Colder than 90% of U.S. towns31st coldest of 416 Vermont towns
Precipitation41" a year
Wetter than 53% of U.S. towns88th driest of 416 Vermont towns
Snow142" a winter
Snowier than 99% of U.S. towns3rd snowiest of 411 Vermont towns
Growing season143 frost-free days
Shorter than 87% of U.S. towns159th longest of 416 Vermont towns

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

Then and now

Warmer than it used to be

+1.5°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Lyndon averaged 1.5° warmer than the 1900s. The biggest change is in December (+4.0°). The shift is larger than in 70% of U.S. towns.

❄️ Winter+3.1° now 19°, was 16°
🌷 Spring+1.0° now 41°, was 40°
☀️ Summer+0.7° now 65°, was 64°
🍂 Fall+1.2° now 46°, was 45°

Change by month1991–2020 average minus 1901–2000 average, at Lyndon’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 4° to 25°. August is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Lyndon’s climate

What is the coldest month in Lyndon?

January, with a typical high of 26° and a low of 5°.

What is the hottest month in Lyndon?

July, with a typical high of 79° and a low of 55°.

How much snow does Lyndon get?

About 142 inches in a normal winter, most of it in February.

When is the first frost in Lyndon?

In half of years the first 32° night comes by October 1, and the last spring frost by May 9.

What is the rainiest month in Lyndon?

July, with 4.6 inches of rain and melted snow. The year totals 41 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Lyndon itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Sutton, VT (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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