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Middleburg, FL
Full City Profile · Florida · Duval County County
3.1
/5.0
B
Good
11,911
Population
607/sq mi density
$70,877
Median Income
$35,067 per capita
$241,700
Home Value
$321,562 Zillow
$1,094
Median Rent
25.1% income on rent
71°F
Avg Temperature
301 sunny days/yr
140
Violent Crime/100K
980 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$70,877 median income, 2.5% unemployment
A+
Affordability
4.8 / 5.0
$241,700 home value, $1,094/mo rent
F
Safety
1.0 / 5.0
140 violent crimes/100K
C+
Education
2.6 / 5.0
20.0% bachelor's degree or higher
Middleburg has a warm climate with an average annual temperature of 71°F (22°C). Winters average 56°F in January while summers reach 84°F in July. The area gets 301 sunny days per year. Annual precipitation totals 47.6 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
56°F Jan (14°C)
84°F Jul (29°C)
| Annual Average | 71.4°F |
| 32% above US avg | |
| January Average | 56°F (14°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 57 ft (17 m) |
| Area | 19.6 sq mi (50.7 km²) |
| Population Density | 607/sq mi |
| Coordinates | 30.0502°N, 81.9011°W |
| Timezone | America/New_York |
| County | Duval County County |
| Nearest Airport | Jacksonville International (JAX) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0403 ppm |
| NO₂ (Nitrogen Dioxide) | 12.9 ppb |
| SO₂ (Sulfur Dioxide) | 1.17 ppb |
| CO (Carbon Monoxide) | 0.52 ppm |
| PM2.5 (Fine Particles) | 7.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.2 / 100 |
| Social Vulnerability | 39.9 / 100 |
| Community Resilience | 62.1 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Very High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (14°C) | 3.5 in | |
| February | 57°F (14°C) | 3.6 in | |
| March | 62°F (17°C) | 4.0 in | |
| April | 68°F (20°C) | 2.6 in | |
| May | 74°F (23°C) | 3.7 in | |
| June | 79°F (26°C) | 6.3 in | |
| July | 84°F (29°C) | 6.4 in | Warmest |
| August | 81°F (27°C) | 7.4 in | Wettest |
| September | 78°F (26°C) | 6.1 in | |
| October | 70°F (21°C) | 2.7 in | |
| November | 63°F (17°C) | 2.3 in | Driest |
| December | 56°F (13°C) | 3.0 in | Coldest |
Middleburg has a seasonal temperature swing of 28°F / from 56°F in December to 84°F in July. Total annual precipitation is 51.5 inches, with August being the wettest month (7.4") and November the driest (2.3").