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Watertown, CT
Full City Profile · Connecticut · Naugatuck Valley Planning Region County
3.6
/5.0
B+
Good
4,215
Population
1,786/sq mi density
$98,003
Median Income
$44,837 per capita
$278,500
Home Value
$374,580 Zillow
$1,115
Median Rent
51.0% income on rent
47°F
Avg Temperature
271 sunny days/yr
60
Violent Crime/100K
1,319 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$98,003 median income, 4.3% unemployment
A+
Affordability
5.0 / 5.0
$278,500 home value, $1,115/mo rent
F
Safety
1.0 / 5.0
60 violent crimes/100K
A
Education
4.2 / 5.0
40.4% bachelor's degree or higher
Watertown experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 70°F in July. The area gets 271 sunny days per year. Annual precipitation totals 54.3 inches. The area receives 59.1 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
24°F Jan (-4°C)
70°F Jul (21°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 614 ft (187 m) |
| Area | 2.4 sq mi (6.1 km²) |
| Population Density | 1,786/sq mi |
| Coordinates | 41.6012°N, 73.1215°W |
| Timezone | America/New_York |
| County | Naugatuck Valley Planning Region County |
| Nearest Airport | Bradley International (BDL) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.2 / 100 |
| Social Vulnerability | 35.7 / 100 |
| Community Resilience | 77.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| 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 | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Very Low |
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 | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 3.7 in | Coldest |
| February | 28°F (-3°C) | 3.4 in | Driest |
| March | 37°F (3°C) | 4.0 in | |
| April | 47°F (8°C) | 4.3 in | |
| May | 58°F (14°C) | 4.4 in | Wettest |
| June | 66°F (19°C) | 4.0 in | |
| July | 70°F (21°C) | 4.1 in | Warmest |
| August | 70°F (21°C) | 4.0 in | |
| September | 62°F (17°C) | 4.1 in | |
| October | 51°F (11°C) | 4.0 in | |
| November | 42°F (5°C) | 4.4 in | |
| December | 31°F (-1°C) | 4.1 in |
Watertown has a seasonal temperature swing of 46°F / from 24°F in January to 70°F in July. Total annual precipitation is 48.4 inches, with May being the wettest month (4.4") and February the driest (3.4").