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Weather & Climate in Lyndon, VT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lyndon has a cool climate with an average annual temperature of 41°F (5°C). Winters average 13°F in January while summers reach 66°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 47.5 inches (wetter than the 38-inch national average). The area receives 141.7 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 31. The city sits at an elevation of 707 feet.
Temperature
13°F Jan (-10°C)
66°F Jul (19°C)
| Annual Average | 41.1°F |
| 24% below US avg | |
| January Average | 13°F (-10°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 707 ft (215 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 396/sq mi |
| Coordinates | 44.5151°N, 72.0138°W |
| Timezone | America/New_York |
| County | Caledonia County County |
| Nearest Airport | Mount Washington Regional (HIE) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 31.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 30.2 / 100 |
| Social Vulnerability | 27.8 / 100 |
| Community Resilience | 70.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
50 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 134 km | 5 km |
| Oct 16, 2012 | 5 km W of Hollis Center, Maine | M4.7 | 149 km | 16 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 138 km | 17 km |
| Jun 16, 1995 | 8 km N of Lisbon, New Hampshire | M3.8 | 27 km | 5 km |
| Aug 21, 1996 | 12 km N of Livermore, New Hampshire | M3.8 | 64 km | 10 km |
| Apr 20, 2002 | 5 km NNW of Au Sable Forks, New York | M3.7 | 133 km | 5 km |
| Jan 17, 2000 | 4 km NNE of Dixfield, Maine | M3.6 | 125 km | 16 km |
| Jan 3, 2000 | 4 km W of Leeds, Maine | M3.5 | 148 km | 10 km |
| Oct 6, 1992 | 1 km SW of Canterbury, New Hampshire | M3.4 | 137 km | 5 km |
| Aug 20, 1995 | 4 km S of Chambly, Canada | M3.3 | 141 km | 18 km |
| Jun 9, 1998 | 3 km N of Dannemora, New York | M3.3 | 138 km | 5 km |
| Sep 26, 2010 | 2 km SW of Canterbury, New Hampshire | M3.2 | 137 km | 5 km |
| May 24, 2002 | 6 km N of Au Sable Forks, New York | M3.1 | 132 km | 10 km |
| May 6, 2020 | 9 km SE of Bedford, Canada | M3.1 | 92 km | 14 km |
| Apr 15, 2010 | 7 km WNW of Valcourt, Canada | M3.0 | 117 km | 18 km |
| Nov 20, 1994 | 4 km WNW of Norway, Maine | M3.0 | 117 km | 5 km |
| Jun 25, 2002 | 6 km NNW of Au Sable Forks, New York | M3.0 | 134 km | 9 km |
| Feb 4, 2022 | 0 km SSW of Gorham, New Hampshire | M2.9 | 68 km | 8 km |
| Mar 9, 1999 | 7 km NW of Dannemora, New York | M2.9 | 144 km | 10 km |
| Apr 25, 2023 | 4 km SW of Center Sandwich, New Hampshire | M2.9 | 92 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1991 | Bob | Category 1 | — | 245 km |
| 1985 | Gloria | Category 1 | 86 mph | 298 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
53 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 13 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 25, 1969 | EF3 | 76 km | 5.7 mi | 0 |
| Aug 8, 1983 | EF2 | 90 km | 0.2 mi | 0 |
| Aug 3, 1970 | EF2 | 99 km | 4.5 mi | 0 |
| Aug 11, 1966 | EF2 | 58 km | 9.0 mi | 0 |
| May 20, 1962 | EF2 | 70 km | 1.8 mi | 0 |
| Jun 13, 1961 | EF2 | 97 km | 7.9 mi | 0 |
| Jun 24, 1960 | EF2 | 71 km | 2.0 mi | 0 |
| Jun 18, 1957 | EF2 | 87 km | 3.0 mi | 0 |
| Jul 16, 2024 | EF1 | 78 km | 1.8 mi | 0 |
| Aug 21, 2011 | EF1 | 100 km | 2.7 mi | 0 |
| Jun 5, 2010 | EF1 | 34 km | 2.1 mi | 0 |
| May 9, 2009 | EF1 | 56 km | 0.6 mi | 0 |
| Jul 18, 2008 | EF1 | 68 km | 0.3 mi | 0 |
| Jun 17, 2001 | EF1 | 98 km | 0.4 mi | 0 |
| Sep 3, 1993 | EF1 | 34 km | 4.0 mi | 0 |
| Aug 6, 1989 | EF1 | 27 km | 1.5 mi | 0 |
| May 19, 1982 | EF1 | 31 km | 0.1 mi | 0 |
| Aug 15, 1976 | EF1 | 93 km | 0.1 mi | 0 |
| Jun 22, 1973 | EF1 | 92 km | 0.1 mi | 0 |
| Jun 11, 1973 | EF1 | 87 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-10°C) | 2.9 in | Coldest |
| February | 16°F (-9°C) | 2.4 in | Driest |
| March | 26°F (-3°C) | 3.0 in | |
| April | 39°F (4°C) | 3.2 in | |
| May | 52°F (11°C) | 3.8 in | |
| June | 61°F (16°C) | 4.4 in | |
| July | 66°F (19°C) | 4.3 in | Warmest |
| August | 63°F (17°C) | 4.9 in | Wettest |
| September | 55°F (13°C) | 3.8 in | |
| October | 44°F (7°C) | 3.5 in | |
| November | 33°F (0°C) | 3.9 in | |
| December | 20°F (-7°C) | 3.6 in |
Lyndon has a seasonal temperature swing of 53°F / from 13°F in January to 66°F in July. Total annual precipitation is 43.8 inches, with August being the wettest month (4.9") and February the driest (2.4").