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Weather & Climate in Avoca, IA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Avoca experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 21°F in January while summers reach 74°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 36.4 inches. The area receives 28.0 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,155 feet.

Temperature

21°F Jan (-6°C) 74°F Jul (24°C)
Annual Average49.4°F
9% below US avg
January Average21°F (-6°C)
July Average74°F (24°C)
Sunny Days275 days/yr

Geography

Elevation1,155 ft (352 m)
Area2.1 sq mi (5.5 km²)
Population Density575/sq mi
Coordinates41.4828°N, 95.3373°W
TimezoneAmerica/Chicago
CountyShelby County County
Nearest AirportEppley Airfield (OMA)
31 miles away

Precipitation & Snow

Annual Rainfall 36.4"
4% below US avg
Snowfall 28.0"
Wettest Month (Jun) 4.45"
Driest Month (Jan) 0.71"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score22.8 / 100
Social Vulnerability10.6 / 100
Community Resilience87.4 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane No Rating
Earthquake Very Low
Wildfire Very Low
Flood Very Low
Hail Relatively Moderate
Strong Wind Relatively Low
Heat Wave Very Low
Winter Weather Relatively Low
Lightning Very Low
Ice Storm Relatively Low
Drought Relatively Moderate
Cold Wave Relatively Low
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.

Dec 17, 2009 2 km NW of Auburn, Nebraska M3.6 128 km 5 km
Jul 16, 2004 6 km SSE of Riverton, Iowa M3.5 96 km 5 km
Feb 11, 1995 6 km E of Clearmont, Missouri M3.1 113 km 5 km
Mar 31, 1993 2 km SE of Nemaha, Nebraska M2.9 132 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

607 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 26 fatalities, 493 injuries.

Date Rating Distance Path Fatalities
Jun 27, 1953 EF5 53 km 0.1 mi 1
May 21, 2024 EF4 73 km 40.7 mi 5
Apr 26, 2024 EF4 89 km 31.9 mi 0
Mar 5, 2022 EF4 99 km 70.6 mi 6
Apr 8, 1999 EF4 79 km 49.0 mi 0
Apr 8, 1999 EF4 99 km 56.0 mi 0
May 27, 1995 EF4 89 km 57.0 mi 0
May 27, 1995 EF4 75 km 36.0 mi 0
May 27, 1995 EF4 66 km 30.0 mi 0
May 24, 1989 EF4 76 km 49.0 mi 0
Jun 26, 1976 EF4 22 km 5.1 mi 0
May 6, 1975 EF4 70 km 8.0 mi 3
Jun 22, 1964 EF4 88 km 11.9 mi 0
Apr 12, 1964 EF4 91 km 13.1 mi 1
May 10, 1959 EF4 59 km 41.1 mi 0
May 21, 2024 EF3 71 km 33.9 mi 0
Apr 26, 2024 EF3 53 km 19.1 mi 0
Apr 26, 2024 EF3 30 km 40.3 mi 1
Apr 26, 2024 EF3 47 km 13.3 mi 0
Jul 14, 2021 EF3 98 km 10.8 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

2 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,195 acres, 2005).

Year Name Acres Burned Distance
2005 UNNAMED 4,195 24 km
2010 UNNAMED 629 44 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 21°F (-6°C) 0.7 in Coldest, Driest
February 26°F (-3°C) 0.8 in
March 38°F (3°C) 2.1 in
April 50°F (10°C) 3.2 in
May 62°F (16°C) 4.3 in
June 71°F (22°C) 4.5 in Wettest
July 74°F (24°C) 3.9 in Warmest
August 73°F (23°C) 3.8 in
September 64°F (18°C) 4.1 in
October 52°F (11°C) 2.6 in
November 37°F (3°C) 1.5 in
December 25°F (-4°C) 1.1 in

Avoca has a seasonal temperature swing of 54°F / from 21°F in January to 74°F in July. Total annual precipitation is 32.5 inches, with June being the wettest month (4.5") and January the driest (0.7").

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