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Weather & Climate in Terramuggus, CT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Terramuggus experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 43.3 inches. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 469 feet.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 49.9°F |
| 8% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 469 ft (143 m) |
| Area | 1.3 sq mi (3.3 km²) |
| Population Density | 849/sq mi |
| Coordinates | 41.6336°N, 72.4718°W |
| Timezone | America/New_York |
| County | Capitol Planning Region County |
| Nearest Airport | Bradley International (BDL) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.4 / 100 |
| Social Vulnerability | 28.1 / 100 |
| Community Resilience | 64.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
18 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Oct 2, 1994 | 6 km W of Hardwick, Massachusetts | M3.7 | 81 km | 10 km |
| Jan 12, 2015 | 0 km NE of Wauregan, Connecticut | M3.3 | 49 km | 5 km |
| Jun 16, 2000 | 5 km NE of Granville, Massachusetts | M3.3 | 59 km | 10 km |
| Oct 2, 1994 | 1 km NW of Hardwick, Massachusetts | M3.3 | 84 km | 10 km |
| Mar 22, 1996 | 2 km NE of Bristol, Rhode Island | M3.1 | 102 km | 12 km |
| Apr 9, 2019 | 63 km SSE of Sagaponack, New York | M3.0 | 143 km | 7 km |
| Oct 28, 1991 | 3 km WNW of Stamford, Connecticut | M3.0 | 112 km | 10 km |
| Aug 5, 2025 | 1 km N of Hillsdale, New Jersey | M2.8 | 148 km | 12 km |
| Mar 10, 1992 | 2 km SW of Napeague, New York | M2.8 | 78 km | 10 km |
| Apr 12, 1991 | 2 km ENE of North Castle, New York | M2.7 | 112 km | 9 km |
| Oct 13, 1999 | 2 km E of Littleton Common, Massachusetts | M2.7 | 133 km | 2 km |
| Aug 14, 2014 | 6 km SW of Deep River Center, Connecticut | M2.7 | 32 km | 4 km |
| Aug 22, 2000 | 2 km WSW of Brewster Hill, New York | M2.6 | 99 km | 7 km |
| Jan 13, 2015 | 2 km E of Wauregan, Connecticut | M2.6 | 51 km | 9 km |
| Apr 22, 1996 | 3 km NE of North Westport, Massachusetts | M2.6 | 117 km | 5 km |
| Jun 7, 2002 | 3 km NNW of Hopedale, Massachusetts | M2.5 | 96 km | 5 km |
| Jan 23, 1990 | 3 km NNW of Boxborough, Massachusetts | M2.5 | 125 km | 5 km |
| Jan 15, 1992 | 5 km NNE of Tuxedo Park, New York | M2.5 | 147 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Henri | Category 1 | 75 mph | 278 km |
| 2014 | Arthur | Category 1 | 75 mph | 282 km |
| 1991 | Bob | Category 2 | 104 mph | 87 km |
| 1985 | Gloria | Category 1 | 86 mph | 40 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
234 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 104 fatalities, 2,183 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 10, 1989 | EF4 | 46 km | 3.0 mi | 0 |
| Oct 3, 1979 | EF4 | 32 km | 11.3 mi | 3 |
| Jun 9, 1953 | EF4 | 96 km | 34.9 mi | 94 |
| Jun 1, 2011 | EF3 | 57 km | 37.6 mi | 3 |
| Sep 13, 1971 | EF3 | 79 km | 0.5 mi | 0 |
| Jul 29, 1971 | EF3 | 49 km | 0.1 mi | 0 |
| Oct 3, 1970 | EF3 | 81 km | 35.4 mi | 1 |
| May 24, 1962 | EF3 | 55 km | 11.6 mi | 1 |
| May 10, 1954 | EF3 | 32 km | 0.3 mi | 0 |
| Jun 9, 1953 | EF3 | 83 km | 28.0 mi | 0 |
| Aug 21, 1951 | EF3 | 6 km | 0.1 mi | 0 |
| Aug 18, 2023 | EF2 | 77 km | 9.1 mi | 0 |
| Jun 23, 2001 | EF2 | 57 km | 0.5 mi | 0 |
| Aug 8, 1999 | EF2 | 71 km | 4.0 mi | 0 |
| Jul 3, 1997 | EF2 | 84 km | 3.7 mi | 0 |
| Jul 3, 1997 | EF2 | 86 km | 4.5 mi | 0 |
| Jul 10, 1989 | EF2 | 75 km | 10.0 mi | 0 |
| Jul 10, 1989 | EF2 | 94 km | 0.2 mi | 0 |
| Jul 10, 1989 | EF2 | 54 km | 5.0 mi | 0 |
| Aug 7, 1986 | EF2 | 86 km | 4.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.3 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | LONG ISLAND, NY | Meteorological | 0.3 m | — | 107 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: CRESCENT BOW FIRE (1,068 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | CRESCENT BOW FIRE | 1,068 | 88 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 4.1 in | Coldest |
| February | 28°F (-2°C) | 3.6 in | Driest |
| March | 36°F (2°C) | 4.3 in | |
| April | 46°F (8°C) | 4.4 in | |
| May | 57°F (14°C) | 4.2 in | |
| June | 65°F (18°C) | 4.0 in | |
| July | 72°F (22°C) | 3.9 in | Warmest |
| August | 70°F (21°C) | 3.9 in | |
| September | 62°F (17°C) | 4.1 in | |
| October | 52°F (11°C) | 4.1 in | |
| November | 43°F (6°C) | 4.6 in | Wettest |
| December | 32°F (0°C) | 4.3 in |
Terramuggus has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in July. Total annual precipitation is 49.5 inches, with November being the wettest month (4.6") and February the driest (3.6").