New Haven, IA
Full City Profile · Iowa · Mitchell County County
2.8
/5.0
C+
Fair
58
Population
30/sq mi density
45°F
Avg Temperature
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Education
2.8 / 5.0
0.0% bachelor's degree or higher
New Haven has a cool climate with an average annual temperature of 45°F (7°C). Winters average 15°F in January while summers reach 72°F in July. Annual precipitation totals 37.6 inches. The area receives 39.6 inches of snow annually.
Temperature
15°F Jan (-10°C)
72°F Jul (22°C)
| Annual Average | 45.3°F |
| 16% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 1,117 ft (340 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 30/sq mi |
| Coordinates | 43.2839°N, 92.6422°W |
| Timezone | America/Chicago |
| County | Mitchell County County |
| Nearest Airport | Northeast Iowa Regional (CCY) 15 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 37.7 / 100 |
| Social Vulnerability | 17.5 / 100 |
| Community Resilience | 85.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 1.2 in | Coldest, Driest |
| February | 19°F (-7°C) | 1.3 in | |
| March | 32°F (-0°C) | 1.9 in | |
| April | 46°F (8°C) | 4.0 in | |
| May | 58°F (14°C) | 5.2 in | |
| June | 68°F (20°C) | 5.6 in | Wettest |
| July | 72°F (22°C) | 5.0 in | Warmest |
| August | 69°F (21°C) | 4.0 in | |
| September | 62°F (17°C) | 3.5 in | |
| October | 49°F (9°C) | 2.7 in | |
| November | 34°F (1°C) | 1.8 in | |
| December | 21°F (-6°C) | 1.5 in |
New Haven has a seasonal temperature swing of 57°F / from 15°F in January to 72°F in July. Total annual precipitation is 37.6 inches, with June being the wettest month (5.6") and January the driest (1.2").