Sign In Register

Thompsonville, CT

Full City Profile · Connecticut · Capitol Planning Region County

3.0 /5.0
B Good
7,473 Population 3,663/sq mi density
$71,714 Median Income $35,465 per capita
$235,200 Home Value $319,623 Zillow
$1,364 Median Rent 33.5% income on rent
51°F Avg Temperature 275 sunny days/yr
119 Violent Crime/100K 1,914 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$71,714 median income, 6.6% unemployment
A+
Affordability
4.8 / 5.0
$235,200 home value, $1,364/mo rent
F
Safety
1.0 / 5.0
119 violent crimes/100K
C+
Education
2.8 / 5.0
22.0% bachelor's degree or higher
Thompsonville experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 27°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 47.1 inches. The area receives 51.7 inches of snow annually. Air quality is rated Good with a median AQI of 39.

Temperature

27°F Jan (-3°C) 74°F Jul (24°C)
Annual Average51.0°F
6% below US avg
January Average27°F (-3°C)
July Average74°F (24°C)
Sunny Days275 days/yr

Geography

Elevation135 ft (41 m)
Area2.0 sq mi (5.3 km²)
Population Density3,663/sq mi
Coordinates41.9921°N, 72.5965°W
TimezoneAmerica/New_York
CountyCapitol Planning Region County
Nearest AirportBradley International (BDL)
6 miles away

Precipitation & Snow

Annual Rainfall 47.1"
24% above US avg
Snowfall 51.7"
Wettest Month (May) 4.02"
Driest Month (Feb) 3.19"

Air Quality

AQI Median39.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score97.4 / 100
Social Vulnerability28.1 / 100
Community Resilience64.2 / 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

28 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.7. Most recent: M2.6 on Jan 13, 2015.

Oct 2, 1994 6 km W of Hardwick, Massachusetts M3.7 47 km
Oct 2, 1994 1 km NW of Hardwick, Massachusetts M3.3 51 km
Jun 16, 2000 5 km NE of Granville, Massachusetts M3.3 22 km
Jan 12, 2015 0 km NE of Wauregan, Connecticut M3.3 64 km
Dec 13, 2009 15 km N of Medusa, New York M3.2 140 km
Mar 22, 1996 2 km NE of Bristol, Rhode Island M3.1 117 km
Jul 24, 2007 12 km SSW of Altamont, New York M3.1 143 km
May 18, 2009 15 km N of Medusa, New York M3.1 140 km
Oct 28, 1991 3 km WNW of Stamford, Connecticut M3.0 131 km
Oct 21, 2009 15 km N of Medusa, New York M2.9 140 km
Sep 28, 2002 2 km N of Wilton, New Hampshire M2.8 121 km
Mar 10, 1992 2 km SW of Napeague, New York M2.8 119 km
Aug 27, 2011 5 km WSW of Altamont, New York M2.8 145 km
Mar 22, 2009 9 km SW of Altamont, New York M2.8 144 km
Sep 30, 1991 0 km SSE of Bedford, New Hampshire M2.7 138 km
Oct 13, 1999 2 km E of Littleton Common, Massachusetts M2.7 114 km
Apr 12, 1991 2 km ENE of North Castle, New York M2.7 128 km
Aug 25, 2011 5 km WSW of Altamont, New York M2.7 145 km
Feb 18, 2009 15 km N of Medusa, New York M2.7 140 km
Aug 14, 2014 6 km SW of Deep River Center, Connecticut M2.7 72 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

2 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Bob (1991, Cat 2).

Year Name Category Closest
1991 Bob Category 2 119 km
1985 Gloria Category 1 20 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

262 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 111 fatalities, 2,257 injuries.

Date Rating Distance Fatalities
May 29, 1995 EF4 73 km 3
Jul 10, 1989 EF4 73 km 0
Oct 3, 1979 EF4 14 km 3
Aug 28, 1973 EF4 83 km 4
Jun 9, 1953 EF4 64 km 94
Jun 1, 2011 EF3 17 km 3
Jun 22, 1981 EF3 73 km 0
Sep 13, 1971 EF3 38 km 0
Jul 29, 1971 EF3 62 km 0
Oct 3, 1970 EF3 52 km 1
May 24, 1962 EF3 66 km 1
May 10, 1954 EF3 13 km 0
Jun 9, 1953 EF3 71 km 0
Aug 21, 1951 EF3 47 km 0
Aug 18, 2023 EF2 87 km 0
Jul 11, 2006 EF2 64 km 0
Jun 23, 2001 EF2 48 km 0
Jul 3, 1997 EF2 52 km 0
Jul 3, 1997 EF2 55 km 0
Jul 3, 1997 EF2 82 km 0
Source: NOAA SPC (EF0+, 1950–2024)

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 — 139 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: EAST MOUNTAIN (964 ac, 2021).

Year Name Acres Distance
2021 EAST MOUNTAIN 964 93 km
2005 THE RANGE 760 96 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 3.5 in Coldest
February 27°F (-3°C) 3.2 in Driest
March 37°F (3°C) 3.7 in
April 47°F (8°C) 3.9 in
May 58°F (15°C) 4.0 in Wettest
June 67°F (19°C) 3.8 in
July 74°F (24°C) 3.5 in Warmest
August 71°F (22°C) 3.7 in
September 63°F (17°C) 3.9 in
October 52°F (11°C) 3.7 in
November 42°F (6°C) 4.0 in
December 31°F (-0°C) 3.9 in

Thompsonville has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 44.6 inches, with May being the wettest month (4.0") and February the driest (3.2").

View full weather details →