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Norcross, GA
Full City Profile · Georgia · Gwinnett County County
3.3
/5.0
B
Good
17,669
Population
2,878/sq mi density
$75,068
Median Income
$38,856 per capita
$375,900
Home Value
$324,439 Zillow
$1,654
Median Rent
35.8% income on rent
62°F
Avg Temperature
304 sunny days/yr
587
Violent Crime/100K
4,027 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$75,068 median income, 1.1% unemployment
B+
Affordability
3.9 / 5.0
$375,900 home value, $1,654/mo rent
F
Safety
1.0 / 5.0
587 violent crimes/100K (54% above avg)
A
Education
4.3 / 5.0
40.8% bachelor's degree or higher
Norcross enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 42°F in January while summers reach 80°F in July. The area gets 304 sunny days per year. Annual precipitation totals 51.4 inches. Air quality is rated Good with a median AQI of 44.
Temperature
42°F Jan (6°C)
80°F Jul (26°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 977 ft (298 m) |
| Area | 4.7 sq mi (12.0 km²) |
| Population Density | 2,878/sq mi |
| Coordinates | 33.9374°N, 84.2056°W |
| Timezone | America/New_York |
| County | Gwinnett County County |
| Nearest Airport | Hartsfield - Jackson Atlanta International (ATL) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0487 ppm |
| PM2.5 (Fine Particles) | 9.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.4 / 100 |
| Social Vulnerability | 21.0 / 100 |
| Community Resilience | 8.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 5.2 in | Coldest |
| February | 46°F (8°C) | 4.8 in | |
| March | 54°F (12°C) | 5.8 in | Wettest |
| April | 61°F (16°C) | 4.5 in | |
| May | 69°F (21°C) | 4.3 in | |
| June | 76°F (24°C) | 3.8 in | |
| July | 80°F (26°C) | 4.9 in | Warmest |
| August | 78°F (26°C) | 3.9 in | |
| September | 73°F (23°C) | 3.8 in | |
| October | 62°F (17°C) | 3.5 in | Driest |
| November | 53°F (12°C) | 3.9 in | |
| December | 45°F (7°C) | 4.6 in |
Norcross has a seasonal temperature swing of 37°F / from 42°F in January to 80°F in July. Total annual precipitation is 53.0 inches, with March being the wettest month (5.8") and October the driest (3.5").