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Weather & Climate in Irasburg, VT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Irasburg has a cool climate with an average annual temperature of 42°F (5°C). Winters average 14°F in January while summers reach 67°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 43.8 inches. The area receives 98.6 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 876 feet.
Temperature
14°F Jan (-10°C)
67°F Jul (20°C)
| Annual Average | 41.8°F |
| 23% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 876 ft (267 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 170/sq mi |
| Coordinates | 44.8008°N, 72.2906°W |
| Timezone | America/New_York |
| County | Orleans County County |
| Nearest Airport | Northeast Kingdom International (EFK) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 31.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 36.8 / 100 |
| Social Vulnerability | 37.7 / 100 |
| Community Resilience | 79.8 / 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
53 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 | 116 km | 5 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 131 km | 9 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 104 km | 17 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 141 km | 18 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 135 km | 18 km |
| Aug 21, 1996 | 12 km N of Livermore, New Hampshire | M3.8 | 101 km | 10 km |
| Jun 16, 1995 | 8 km N of Lisbon, New Hampshire | M3.8 | 65 km | 5 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 143 km | 1 km |
| Jan 9, 2006 | 2 km ESE of Franklin, Canada | M3.7 | 128 km | 13 km |
| Apr 20, 2002 | 5 km NNW of Au Sable Forks, New York | M3.7 | 116 km | 5 km |
| Jan 17, 2000 | 4 km NNE of Dixfield, Maine | M3.6 | 149 km | 16 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 131 km | 5 km |
| Jan 13, 2020 | 5 km SW of Franklin, Canada | M3.4 | 134 km | 6 km |
| Jun 9, 1998 | 3 km N of Dannemora, New York | M3.3 | 113 km | 5 km |
| Aug 20, 1995 | 4 km S of Chambly, Canada | M3.3 | 103 km | 18 km |
| May 17, 2021 | 5 km SW of L'Épiphanie, Canada | M3.3 | 148 km | 12 km |
| May 24, 2002 | 6 km N of Au Sable Forks, New York | M3.1 | 114 km | 10 km |
| May 6, 2020 | 9 km SE of Bedford, Canada | M3.1 | 56 km | 14 km |
| Apr 15, 2010 | 7 km WNW of Valcourt, Canada | M3.0 | 81 km | 18 km |
| Jun 25, 2002 | 6 km NNW of Au Sable Forks, New York | M3.0 | 117 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1991 | Bob | Category 1 | — | 284 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
41 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 8 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 8, 1983 | EF2 | 74 km | 0.2 mi | 0 |
| Aug 3, 1970 | EF2 | 72 km | 4.5 mi | 0 |
| Aug 11, 1966 | EF2 | 90 km | 9.0 mi | 0 |
| Jul 4, 1963 | EF2 | 73 km | 5.9 mi | 0 |
| May 20, 1962 | EF2 | 40 km | 1.8 mi | 0 |
| Jun 13, 1961 | EF2 | 65 km | 7.9 mi | 0 |
| Jun 24, 1960 | EF2 | 52 km | 2.0 mi | 0 |
| Jun 18, 1957 | EF2 | 51 km | 3.0 mi | 0 |
| Jun 5, 2010 | EF1 | 23 km | 2.1 mi | 0 |
| May 9, 2009 | EF1 | 78 km | 0.6 mi | 0 |
| Jul 18, 2008 | EF1 | 44 km | 0.3 mi | 0 |
| Sep 3, 1993 | EF1 | 21 km | 4.0 mi | 0 |
| Aug 6, 1989 | EF1 | 15 km | 1.5 mi | 0 |
| May 19, 1982 | EF1 | 69 km | 0.1 mi | 0 |
| Jun 22, 1973 | EF1 | 82 km | 0.1 mi | 0 |
| Jun 11, 1973 | EF1 | 68 km | 0.1 mi | 0 |
| Aug 9, 1972 | EF1 | 98 km | 3.6 mi | 0 |
| Jul 19, 1972 | EF1 | 44 km | 2.0 mi | 0 |
| Jul 13, 1966 | EF1 | 78 km | 0.2 mi | 0 |
| May 20, 1962 | EF1 | 8 km | 9.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 3.0 in | Coldest |
| February | 16°F (-9°C) | 2.6 in | Driest |
| March | 26°F (-3°C) | 3.1 in | |
| April | 39°F (4°C) | 3.3 in | |
| May | 53°F (11°C) | 3.9 in | |
| June | 61°F (16°C) | 4.4 in | |
| July | 67°F (20°C) | 4.5 in | Warmest |
| August | 64°F (18°C) | 4.9 in | Wettest |
| September | 56°F (13°C) | 3.9 in | |
| October | 44°F (7°C) | 3.7 in | |
| November | 33°F (0°C) | 4.1 in | |
| December | 20°F (-7°C) | 3.7 in |
Irasburg has a seasonal temperature swing of 54°F / from 14°F in January to 67°F in July. Total annual precipitation is 44.9 inches, with August being the wettest month (4.9") and February the driest (2.6").