Lamoille County Climate
Lamoille County, Vermont
Avg Annual Temp
41.0°F
Annual Precip
58.1"
Annual Snowfall
187.1"
Extreme Heat Days
1.725
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.