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Cardiff, AL
Full City Profile · Alabama · Jefferson County County
1.2
/5.0
F
Poor
42
Population
200/sq mi density
64°F
Avg Temperature
304 sunny days/yr
677
Violent Crime/100K
8,420 property/100K
F
Overall
1.2 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
677 violent crimes/100K (78% above avg)
F
Education
1.5 / 5.0
5.7% bachelor's degree or higher
Cardiff enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 45°F in January while summers reach 82°F in July. The area gets 304 sunny days per year. Annual precipitation totals 56.6 inches. The area receives 1.4 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
45°F Jan (7°C)
82°F Jul (28°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 373 ft (114 m) |
| Area | 0.3 sq mi (0.6 km²) |
| Population Density | 200/sq mi |
| Coordinates | 33.6473°N, 86.9306°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | Birmingham-Shuttlesworth International (BHM) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0455 ppm |
| NO₂ (Nitrogen Dioxide) | 14.9 ppb |
| SO₂ (Sulfur Dioxide) | 0.85 ppb |
| CO (Carbon Monoxide) | 0.18 ppm |
| PM2.5 (Fine Particles) | 9.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.6 / 100 |
| Social Vulnerability | 56.2 / 100 |
| Community Resilience | 80.0 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 5.6 in | Coldest |
| February | 46°F (8°C) | 4.9 in | |
| March | 54°F (12°C) | 6.6 in | Wettest |
| April | 61°F (16°C) | 5.1 in | |
| May | 69°F (20°C) | 4.8 in | |
| June | 76°F (24°C) | 4.0 in | |
| July | 82°F (28°C) | 5.3 in | Warmest |
| August | 79°F (26°C) | 3.7 in | |
| September | 73°F (23°C) | 4.1 in | |
| October | 62°F (17°C) | 3.2 in | Driest |
| November | 52°F (11°C) | 4.5 in | |
| December | 45°F (7°C) | 5.2 in |
Cardiff has a seasonal temperature swing of 37°F / from 45°F in January to 82°F in July. Total annual precipitation is 57.0 inches, with March being the wettest month (6.6") and October the driest (3.2").