Lamoille County Climate
Lamoille County, Vermont
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
41.0°F
Annual Precip
58.1"
Annual Snowfall
187.1"
Extreme Heat Days
2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
1,658
Favors cool-season crops
Seasonal Overview
National Comparison
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
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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.