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Rockville, CT
Full City Profile · Connecticut · Capitol Planning Region County
2.7
/5.0
C+
Fair
6,657
Population
3,618/sq mi density
$51,607
Median Income
$30,079 per capita
$192,500
Home Value
$391,805 Zillow
$1,137
Median Rent
28.4% income on rent
50°F
Avg Temperature
275 sunny days/yr
191
Violent Crime/100K
2,716 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.0 / 5.0
$51,607 median income, 5.0% unemployment
A+
Affordability
4.6 / 5.0
$192,500 home value, $1,137/mo rent
F
Safety
1.0 / 5.0
191 violent crimes/100K
C
Education
2.1 / 5.0
13.9% bachelor's degree or higher
Rockville 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. Annual precipitation totals 49.3 inches. The area receives 39.0 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 49.6°F |
| 8% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 393 ft (120 m) |
| Area | 1.8 sq mi (4.8 km²) |
| Population Density | 3,618/sq mi |
| Coordinates | 41.8665°N, 72.4513°W |
| Timezone | America/New_York |
| County | Capitol Planning Region County |
| Nearest Airport | Bradley International (BDL) 13 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)
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 | — | 130 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.9 in | |
| February | 26°F (-3°C) | 3.4 in | Coldest, Driest |
| March | 35°F (2°C) | 4.0 in | |
| April | 46°F (8°C) | 4.1 in | |
| May | 57°F (14°C) | 4.1 in | |
| June | 65°F (18°C) | 3.9 in | |
| July | 72°F (22°C) | 3.8 in | Warmest |
| August | 70°F (21°C) | 3.9 in | |
| September | 62°F (17°C) | 4.1 in | |
| October | 51°F (10°C) | 4.0 in | |
| November | 41°F (5°C) | 4.3 in | Wettest |
| December | 30°F (-1°C) | 4.1 in |
Rockville has a seasonal temperature swing of 46°F / from 26°F in February to 72°F in July. Total annual precipitation is 47.6 inches, with November being the wettest month (4.3") and February the driest (3.4").