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Norwich, CT
Full City Profile · Connecticut · Southeastern Connecticut Planning Region County
3.0
/5.0
B
Good
39,992
Population
1,425/sq mi density
$64,185
Median Income
$37,057 per capita
$231,300
Home Value
$285,025 Zillow
$1,203
Median Rent
30.9% income on rent
52°F
Avg Temperature
271 sunny days/yr
382
Violent Crime/100K
1,368 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$64,185 median income, 4.5% unemployment
A+
Affordability
4.7 / 5.0
$231,300 home value, $1,203/mo rent
F
Safety
1.0 / 5.0
382 violent crimes/100K (1% above avg)
C+
Education
2.8 / 5.0
22.6% bachelor's degree or higher
Norwich experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. The area gets 271 sunny days per year. Annual precipitation totals 52.2 inches. The area receives 27.8 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
30°F Jan (-1°C)
74°F Jul (24°C)
| Annual Average | 51.8°F |
| 4% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (24°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 79 ft (24 m) |
| Area | 29.4 sq mi (76.2 km²) |
| Population Density | 1,425/sq mi |
| Coordinates | 41.5480°N, 72.0895°W |
| Timezone | America/New_York |
| County | Southeastern Connecticut Planning Region County |
| Nearest Airport | Rhode Island Tf Green International (PVD) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.7 / 100 |
| Social Vulnerability | 26.8 / 100 |
| Community Resilience | 86.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
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 | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 4.2 in | |
| February | 28°F (-2°C) | 3.5 in | Coldest, Driest |
| March | 36°F (2°C) | 4.3 in | |
| April | 46°F (8°C) | 4.3 in | |
| May | 56°F (13°C) | 3.9 in | |
| June | 65°F (18°C) | 3.8 in | |
| July | 74°F (24°C) | 3.7 in | Warmest |
| August | 71°F (21°C) | 4.1 in | |
| September | 63°F (17°C) | 4.1 in | |
| October | 52°F (11°C) | 4.2 in | |
| November | 43°F (6°C) | 4.7 in | Wettest |
| December | 33°F (0°C) | 4.3 in |
Norwich has a seasonal temperature swing of 47°F / from 28°F in February to 74°F in July. Total annual precipitation is 49.1 inches, with November being the wettest month (4.7") and February the driest (3.5").