Weather & Climate in Ely, IA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ely experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 73°F in July. Annual precipitation totals 35.9 inches. The area receives 29.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 39. 71% of days have good air quality. The city sits at an elevation of 772 feet.
Temperature
20°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 48.3°F |
| 11% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 772 ft (235 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 1,203/sq mi |
| Coordinates | 41.8803°N, 91.5863°W |
| Timezone | America/Chicago |
| County | Johnson County County |
| Nearest Airport | The Eastern Iowa (CID) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 70.8% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.4 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 96.7 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
641 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 11 fatalities, 446 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 15, 1968 | EF5 | 92 km | 13.1 mi | 5 |
| Mar 31, 2023 | EF4 | 73 km | 19.9 mi | 0 |
| Mar 13, 1990 | EF4 | 41 km | 19.0 mi | 0 |
| Aug 12, 1974 | EF4 | 53 km | 5.0 mi | 0 |
| Aug 12, 1974 | EF4 | 51 km | 2.0 mi | 0 |
| Aug 26, 1965 | EF4 | 69 km | 4.7 mi | 1 |
| Apr 11, 1965 | EF4 | 55 km | 91.5 mi | 1 |
| Apr 30, 1954 | EF4 | 28 km | 80.4 mi | 0 |
| May 25, 2008 | EF3 | 88 km | 32.0 mi | 0 |
| Jun 1, 2007 | EF3 | 75 km | 15.8 mi | 0 |
| May 21, 2004 | EF3 | 27 km | 3.0 mi | 0 |
| May 15, 1998 | EF3 | 68 km | 47.0 mi | 0 |
| Jul 27, 1995 | EF3 | 80 km | 20.0 mi | 0 |
| May 9, 1995 | EF3 | 68 km | 10.0 mi | 0 |
| Jun 19, 1993 | EF3 | 87 km | 14.0 mi | 0 |
| Jun 19, 1993 | EF3 | 60 km | 9.0 mi | 0 |
| Jul 13, 1992 | EF3 | 50 km | 5.0 mi | 0 |
| May 8, 1988 | EF3 | 68 km | 32.0 mi | 0 |
| Aug 15, 1978 | EF3 | 95 km | 6.4 mi | 0 |
| May 4, 1977 | EF3 | 94 km | 17.8 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 | 95 km |
| 2002 | HSB 03 2 | 1,130 | 94 km |
| 2009 | UNNAMED | 939 | 56 km |
| 2010 | FOLEY | 786 | 53 km |
| 2000 | DESTRUST A | 756 | 94 km |
| 2011 | ACE AUTO | 676 | 43 km |
| 2006 | HSB 003 | 674 | 95 km |
| 2004 | HSB 009 | 608 | 94 km |
| 2011 | IRCP WUI ROFAE #2 FY11 | 510 | 62 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.0 in | Coldest, Driest |
| February | 24°F (-4°C) | 1.2 in | |
| March | 37°F (3°C) | 2.0 in | |
| April | 49°F (9°C) | 3.6 in | |
| May | 60°F (16°C) | 4.3 in | |
| June | 70°F (21°C) | 5.6 in | Wettest |
| July | 73°F (23°C) | 4.4 in | Warmest |
| August | 71°F (22°C) | 4.1 in | |
| September | 63°F (17°C) | 3.4 in | |
| October | 51°F (10°C) | 2.9 in | |
| November | 37°F (3°C) | 2.0 in | |
| December | 25°F (-4°C) | 1.6 in |
Ely has a seasonal temperature swing of 53°F / from 20°F in January to 73°F in July. Total annual precipitation is 35.9 inches, with June being the wettest month (5.6") and January the driest (1.0").