Weather & Climate in Wellman, IA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wellman experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 23°F in January while summers reach 76°F in July. Annual precipitation totals 38.1 inches. The area receives 25.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 755 feet.
Temperature
23°F Jan (-5°C)
76°F Jul (24°C)
| Annual Average | 51.0°F |
| 6% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 755 ft (230 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 1,438/sq mi |
| Coordinates | 41.4692°N, 91.8352°W |
| Timezone | America/Chicago |
| County | Washington County County |
| Nearest Airport | The Eastern Iowa (CID) 31 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.2 / 100 |
| Social Vulnerability | 41.7 / 100 |
| Community Resilience | 90.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
621 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 12 fatalities, 316 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 31, 2023 | EF4 | 24 km | 19.9 mi | 0 |
| Mar 13, 1990 | EF4 | 91 km | 19.0 mi | 0 |
| Aug 12, 1974 | EF4 | 42 km | 2.0 mi | 0 |
| Aug 26, 1965 | EF4 | 97 km | 4.7 mi | 1 |
| Apr 11, 1965 | EF4 | 86 km | 91.5 mi | 1 |
| Apr 30, 1954 | EF4 | 71 km | 80.4 mi | 0 |
| Mar 31, 2023 | EF3 | 62 km | 26.1 mi | 0 |
| May 27, 2019 | EF3 | 90 km | 7.3 mi | 0 |
| Jul 19, 2018 | EF3 | 92 km | 9.2 mi | 0 |
| Jun 1, 2007 | EF3 | 58 km | 15.8 mi | 0 |
| May 21, 2004 | EF3 | 65 km | 3.0 mi | 0 |
| Apr 8, 1999 | EF3 | 94 km | 16.0 mi | 0 |
| May 15, 1998 | EF3 | 23 km | 47.0 mi | 0 |
| May 9, 1995 | EF3 | 81 km | 10.0 mi | 0 |
| Jul 13, 1992 | EF3 | 98 km | 5.0 mi | 0 |
| May 8, 1988 | EF3 | 93 km | 32.0 mi | 0 |
| Aug 15, 1978 | EF3 | 91 km | 6.4 mi | 0 |
| May 4, 1977 | EF3 | 99 km | 17.8 mi | 0 |
| Nov 9, 1975 | EF3 | 97 km | 39.4 mi | 0 |
| Jun 14, 1974 | EF3 | 98 km | 48.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
9 wildfires (100+ acres) recorded within 100 km. Largest: UNIT 3 (1,206 acres, 1999).
| Year | Name | Acres Burned | Distance |
| 1999 | UNIT 3 | 1,206 | 74 km |
| 2002 | HSB 03 2 | 1,130 | 73 km |
| 2009 | UNNAMED | 939 | 56 km |
| 2010 | FOLEY | 786 | 54 km |
| 2000 | DESTRUST A | 756 | 73 km |
| 2011 | ACE AUTO | 676 | 46 km |
| 2006 | HSB 003 | 674 | 74 km |
| 2004 | HSB 009 | 608 | 73 km |
| 2011 | IRCP WUI ROFAE #2 FY11 | 510 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.2 in | Coldest, Driest |
| February | 27°F (-3°C) | 1.5 in | |
| March | 40°F (4°C) | 2.2 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 63°F (17°C) | 5.0 in | |
| June | 72°F (22°C) | 5.3 in | Wettest |
| July | 76°F (24°C) | 4.1 in | Warmest |
| August | 74°F (23°C) | 4.5 in | |
| September | 66°F (19°C) | 3.9 in | |
| October | 53°F (12°C) | 3.0 in | |
| November | 40°F (4°C) | 2.2 in | |
| December | 28°F (-2°C) | 1.6 in |
Wellman has a seasonal temperature swing of 53°F / from 23°F in January to 76°F in July. Total annual precipitation is 38.1 inches, with June being the wettest month (5.3") and January the driest (1.2").