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Lamoille County Climate

Lamoille County, Vermont

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec41.0°AVG °F

Avg Annual Temp

41.0°F

Annual Precip

58.1"

Annual Snowfall

187.1"

Extreme Heat Days

2

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.0"
3.3"
4.1"
4.6"
5.1"
5.8"
5.6"
5.0"
5.1"
5.9"
4.8"
4.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5a

Minimum winter temperature range for plant survival

Growing Degree Days

1,658

Favors cool-season crops

Last spring frost (32°F): 05/23
First fall frost (32°F): 09/30

Seasonal Overview

Comfort ZoneSpring26°52°13.8"Summer61°65°16.4"Fall33°57°15.8"Winter14°22°12.1"20°40°60°80°100°

National Comparison

Warmer than 4% of US counties
Wetter than 93% of US counties
More seasonal variation than 83% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Lamoille County

Climate Verdict

Lamoille County has a cool, averaging 41.0°F annually, very wet conditions receiving 58.1 inches of precipitation annually, rare extreme heat with only 1.725 days above 90°F annually, heavy winter snowfall averaging 187.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 14.4°F. summers are pleasantly cool with July averaging 65.2°F. Residents experience a substantial 51°F difference between winter and summer.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Lamoille County closely matches the Vermont statewide average temperature of 43.6°F, it is also noticeably wetter, receiving 14.0 inches more precipitation than the state average.

Climate Profile

About Lamoille County Weather

The Snow Capital of the East

Lamoille County averages 41.0°F, placing it among the coldest counties in the nation. It is characterized by extreme winter precipitation and a very short growing season.

Deeply Cold and Very Wet

Ranking 7th for warmth in this group, Lamoille is 2.6 degrees colder than the state average. It is also the wettest county, receiving 58.1 inches of annual precipitation.

A Mountainous Weather Outlier

Lamoille’s 41.0°F average is much colder than neighboring Chittenden’s 47.0°F. It receives over 100 inches more snow than most of its neighbors.

Record-Breaking Snowfall Totals

The county averages a staggering 187.1 inches of snow per year. Summers are cool and wet, with July averaging just 65.2°F and only 2 days of extreme heat.

Serious Snow Management Required

Structural snow-load capacity is a primary concern for homeowners facing 15 feet of annual snow. High-performance heating and moisture control are essential for the 58-inch precipitation levels.

Frequently Asked Questions

What is the average temperature in Lamoille County?
The average annual temperature in Lamoille County, VT is 41.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Lamoille County get?
Lamoille County receives an average of 58.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Lamoille County?
Yes, Lamoille County receives an average of 187.1 inches of snowfall per year according to NOAA climate normals.
How hot does Lamoille County get in summer?
The average summer temperature (June-August) in Lamoille County is 63.2°F. The county experiences an average of 2 days per year above 90°F.
How cold are winters in Lamoille County?
The average winter temperature (December-February) in Lamoille County is 17.5°F. January, typically the coldest month, averages 14.4°F.

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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