Weather & Climate in Alta Vista, IA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alta Vista has a cool climate with an average annual temperature of 45°F (7°C). Winters average 14°F in January while summers reach 71°F in July. Annual precipitation totals 38.1 inches. The area receives 38.5 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,154 feet.
Temperature
14°F Jan (-10°C)
71°F Jul (21°C)
| Annual Average | 44.7°F |
| 17% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 71°F (21°C) |
Geography
| Elevation | 1,154 ft (352 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 228/sq mi |
| Coordinates | 43.1967°N, 92.4169°W |
| Timezone | America/Chicago |
| County | Chickasaw County County |
| Nearest Airport | Northeast Iowa Regional (CCY) 13 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.7 / 100 |
| Social Vulnerability | 31.7 / 100 |
| Community Resilience | 84.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| 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)
Tornado History
557 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 45 fatalities, 980 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 25, 2008 | EF5 | 81 km | 41.0 mi | 9 |
| May 15, 1968 | EF5 | 71 km | 13.1 mi | 5 |
| May 15, 1968 | EF5 | 74 km | 62.1 mi | 13 |
| Jul 12, 1971 | EF4 | 5 km | 10.9 mi | 0 |
| Apr 30, 1967 | EF4 | 92 km | 38.7 mi | 5 |
| Apr 30, 1967 | EF4 | 67 km | 7.6 mi | 0 |
| Apr 30, 1967 | EF4 | 62 km | 13.3 mi | 0 |
| May 5, 1965 | EF4 | 34 km | 41.6 mi | 0 |
| Sep 16, 1962 | EF4 | 86 km | 0.5 mi | 0 |
| Sep 1, 1961 | EF4 | 66 km | 26.6 mi | 0 |
| May 10, 1953 | EF4 | 91 km | 26.6 mi | 0 |
| May 10, 1953 | EF4 | 28 km | 162.0 mi | 2 |
| Jun 17, 2010 | EF3 | 91 km | 5.0 mi | 0 |
| Jun 17, 2010 | EF3 | 93 km | 4.3 mi | 0 |
| Jun 17, 2010 | EF3 | 99 km | 18.2 mi | 0 |
| May 25, 2008 | EF3 | 74 km | 32.0 mi | 0 |
| Jun 11, 2004 | EF3 | 25 km | 12.0 mi | 0 |
| May 11, 2000 | EF3 | 75 km | 18.6 mi | 1 |
| Jul 27, 1995 | EF3 | 90 km | 20.0 mi | 0 |
| Jul 19, 1994 | EF3 | 18 km | 23.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 1.0 in | Coldest, Driest |
| February | 19°F (-7°C) | 1.0 in | |
| March | 32°F (-0°C) | 2.0 in | |
| April | 45°F (7°C) | 3.8 in | |
| May | 57°F (14°C) | 5.2 in | |
| June | 68°F (20°C) | 5.9 in | Wettest |
| July | 71°F (21°C) | 4.9 in | Warmest |
| August | 68°F (20°C) | 4.5 in | |
| September | 61°F (16°C) | 3.8 in | |
| October | 48°F (9°C) | 2.9 in | |
| November | 33°F (1°C) | 1.8 in | |
| December | 21°F (-6°C) | 1.4 in |
Alta Vista has a seasonal temperature swing of 56°F / from 14°F in January to 71°F in July. Total annual precipitation is 38.2 inches, with June being the wettest month (5.9") and January the driest (1.0").