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Weather & Climate in Meriden, CT

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Meriden experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 28°F in January while summers reach 73°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 44.9 inches. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 151 feet.

Temperature

28°F Jan (-2°C) 73°F Jul (23°C)
Annual Average50.7°F
6% below US avg
January Average28°F (-2°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation151 ft (46 m)
Area24.2 sq mi (62.6 km²)
Population Density2,546/sq mi
Coordinates41.5368°N, 72.7945°W
TimezoneAmerica/New_York
CountySouth Central Connecticut Planning Region County
Nearest AirportBradley International (BDL)
28 miles away

Precipitation & Snow

Annual Rainfall 44.9"
18% above US avg
Wettest Month (May) 4.25"
Driest Month (Feb) 3.39"

Air Quality

AQI Median39.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score95.1 / 100
Social Vulnerability45.2 / 100
Community Resilience79.7 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Relatively High
Earthquake Relatively Moderate
Wildfire Very Low
Flood Relatively High
Hail Relatively Low
Strong Wind Relatively High
Heat Wave Relatively Moderate
Winter Weather Relatively High
Lightning Relatively High
Ice Storm Very High
Drought Very Low
Cold Wave Relatively Moderate
Landslide Relatively Low
Coastal Flood Relatively High
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 M3.7 100 km 10 km
Jan 12, 2015 0 km NE of Wauregan, Connecticut M3.3 78 km 5 km
Oct 2, 1994 1 km NW of Hardwick, Massachusetts M3.3 103 km 10 km
Jun 16, 2000 5 km NE of Granville, Massachusetts M3.3 63 km 10 km
Mar 22, 1996 2 km NE of Bristol, Rhode Island M3.1 130 km 12 km
Apr 9, 2019 63 km SSE of Sagaponack, New York M3.0 144 km 7 km
Aug 3, 2025 0 km W of Little Ferry, New Jersey M3.0 130 km 10 km
Oct 28, 1991 3 km WNW of Stamford, Connecticut M3.0 84 km 10 km
Mar 10, 1992 2 km SW of Napeague, New York M2.8 85 km 10 km
Aug 5, 2025 1 km N of Hillsdale, New Jersey M2.8 119 km 12 km
Apr 12, 1991 2 km ENE of North Castle, New York M2.7 84 km 9 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 71 km 7 km
Oct 27, 2001 1 km NNW of Manhattan, New York M2.6 129 km 5 km
Jan 13, 2015 2 km E of Wauregan, Connecticut M2.6 79 km 9 km
Apr 22, 1996 3 km NE of North Westport, Massachusetts M2.6 145 km 5 km
Jun 7, 2002 3 km NNW of Hopedale, Massachusetts M2.5 124 km 5 km
Jan 15, 1992 5 km NNE of Tuxedo Park, New York M2.5 119 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 282 km
2014 Arthur Category 1 75 mph 287 km
1991 Bob Category 2 109 mph 107 km
1985 Gloria Category 1 86 mph 40 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

227 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 11 fatalities, 938 injuries.

Date Rating Distance Path Fatalities
May 29, 1995 EF4 91 km 11.5 mi 3
Jul 10, 1989 EF4 20 km 3.0 mi 0
Oct 3, 1979 EF4 40 km 11.3 mi 3
Jun 1, 2011 EF3 63 km 37.6 mi 3
Sep 13, 1971 EF3 89 km 0.5 mi 0
Jul 29, 1971 EF3 21 km 0.1 mi 0
May 24, 1962 EF3 27 km 11.6 mi 1
May 10, 1954 EF3 50 km 0.3 mi 0
Aug 21, 1951 EF3 25 km 0.1 mi 0
May 15, 2018 EF2 74 km 1.2 mi 0
Jun 23, 2001 EF2 40 km 0.5 mi 0
Aug 8, 1999 EF2 64 km 4.0 mi 0
Jul 3, 1997 EF2 79 km 4.5 mi 0
Jul 3, 1997 EF2 78 km 3.7 mi 0
Jul 10, 1989 EF2 28 km 5.0 mi 0
Jul 10, 1989 EF2 80 km 0.2 mi 0
Jul 10, 1989 EF2 75 km 0.5 mi 0
Jul 10, 1989 EF2 55 km 10.0 mi 0
Jul 5, 1984 EF2 20 km 3.0 mi 0
Jun 30, 1976 EF2 59 km 1.0 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 86 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 72 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 3.7 in Coldest
February 29°F (-2°C) 3.4 in Driest
March 38°F (3°C) 3.9 in
April 48°F (9°C) 4.2 in
May 59°F (15°C) 4.3 in Wettest
June 68°F (20°C) 3.9 in
July 73°F (23°C) 3.9 in Warmest
August 71°F (22°C) 3.8 in
September 64°F (18°C) 3.9 in
October 52°F (11°C) 3.8 in
November 43°F (6°C) 4.3 in
December 32°F (0°C) 4.1 in

Meriden has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in July. Total annual precipitation is 47.1 inches, with May being the wettest month (4.3") and February the driest (3.4").

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