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Weather & Climate in Cairo, WV
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cairo experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 31°F in January while summers reach 73°F in July. The area gets 293 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 47.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 838 feet.
Temperature
31°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 838 ft (255 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 287/sq mi |
| Coordinates | 39.2073°N, 81.1537°W |
| Timezone | America/New_York |
| County | Ritchie County County |
| Nearest Airport | Mid-Ohio Valley Regional (PKB) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 16.1 / 100 |
| Social Vulnerability | 45.7 / 100 |
| Community Resilience | 58.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
41 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Nov 20, 2013 | 2 km SW of Buchtel, Ohio | M3.5 | 94 km | 8 km |
| May 24, 2017 | 1 km S of McArthur, Ohio | M3.4 | 114 km | 10 km |
| Apr 4, 2010 | 14 km SW of Gassaway, West Virginia | M3.4 | 71 km | 0 km |
| Apr 24, 2009 | 7 km ENE of Rio Grande, Ohio | M3.4 | 105 km | 8 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 80 km | 2 km |
| Mar 31, 2013 | West Virginia | M3.4 | 68 km | 8 km |
| Feb 3, 2025 | 2 km NNW of Oak Hill, Ohio | M3.1 | 127 km | 26 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 43 km | 5 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 82 km | 5 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 82 km | 6 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 51 km | 4 km |
| Jun 28, 1991 | 4 km ENE of Pratt, West Virginia | M3.0 | 110 km | 7 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 81 km | 5 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 28 km | 10 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 83 km | 2 km |
| Jan 10, 2012 | 14 km WNW of Birch River, West Virginia | M2.8 | 75 km | 0 km |
| May 6, 2002 | 3 km SE of Racine, Ohio | M2.8 | 70 km | 5 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 24 km | 5 km |
| Jul 30, 2013 | 12 km SSW of Glenville, West Virginia | M2.8 | 46 km | 13 km |
| Jul 20, 2013 | 6 km SW of Glenville, West Virginia | M2.7 | 42 km | 21 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
88 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 2 fatalities, 44 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Sep 16, 2010 | EF3 | 55 km | 9.1 mi | 1 |
| Oct 1, 1986 | EF3 | 34 km | 1.0 mi | 0 |
| Feb 28, 2024 | EF2 | 68 km | 4.1 mi | 0 |
| Sep 16, 2010 | EF2 | 97 km | 3.3 mi | 0 |
| Jul 10, 2003 | EF2 | 43 km | 2.5 mi | 0 |
| Jun 27, 1998 | EF2 | 69 km | 0.3 mi | 1 |
| Jan 8, 1998 | EF2 | 23 km | 2.0 mi | 0 |
| Jul 28, 1981 | EF2 | 27 km | 6.2 mi | 0 |
| Jun 21, 1981 | EF2 | 78 km | 1.0 mi | 0 |
| Jul 24, 1971 | EF2 | 57 km | 1.0 mi | 0 |
| Aug 22, 1970 | EF2 | 83 km | 1.0 mi | 0 |
| Jun 25, 1968 | EF2 | 99 km | 8.5 mi | 0 |
| May 7, 1967 | EF2 | 93 km | 0.1 mi | 0 |
| Mar 13, 1967 | EF2 | 71 km | 0.1 mi | 0 |
| Mar 7, 1956 | EF2 | 53 km | 1.0 mi | 0 |
| May 9, 2024 | EF1 | 22 km | 3.4 mi | 0 |
| Apr 2, 2024 | EF1 | 96 km | 0.5 mi | 0 |
| Apr 2, 2024 | EF1 | 96 km | 2.3 mi | 0 |
| Aug 12, 2023 | EF1 | 79 km | 2.3 mi | 0 |
| Oct 21, 2021 | EF1 | 92 km | 7.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
15 wildfires (100+ acres) recorded within 100 km. Largest: BLUE CREEK (3,268 acres, 1991).
| Year | Name | Acres Burned | Distance |
| 1991 | BLUE CREEK | 3,268 | 97 km |
| 1991 | EIGHTMILE FORK | 3,263 | 99 km |
| 1999 | KUNS BRANCH | 2,475 | 96 km |
| 1999 | TOMPLER FORK | 1,174 | 99 km |
| 2022 | LONG RIDGE RX UNIT 37-38 | 1,050 | 90 km |
| 2021 | LONG RIDGE RX UNIT 1-12 | 1,037 | 94 km |
| 2022 | LONG RIDGE RX UNIT 11-19 | 936 | 94 km |
| 1994 | LEATHERWOOD CREEK | 864 | 93 km |
| 1991 | RATTLESNAKE BRANCH | 788 | 99 km |
| 1999 | AUTHONYS CREEK | 782 | 88 km |
| 1987 | SYCAMORE | 742 | 99 km |
| 2022 | LONG RIDGE RX UNIT 24 | 709 | 89 km |
| 1999 | SINNET FORK | 681 | 87 km |
| 2015 | POPLAR RIDGE | 659 | 93 km |
| 1988 | JIMS FORK | 585 | 97 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 3.2 in | Coldest |
| February | 33°F (0°C) | 2.9 in | Driest |
| March | 42°F (6°C) | 3.8 in | |
| April | 52°F (11°C) | 3.3 in | |
| May | 61°F (16°C) | 4.1 in | |
| June | 69°F (20°C) | 3.8 in | |
| July | 73°F (23°C) | 4.4 in | Warmest, Wettest |
| August | 72°F (22°C) | 4.1 in | |
| September | 65°F (18°C) | 3.4 in | |
| October | 54°F (12°C) | 3.1 in | |
| November | 44°F (6°C) | 3.4 in | |
| December | 34°F (1°C) | 3.2 in |
Cairo has a seasonal temperature swing of 43°F / from 31°F in January to 73°F in July. Total annual precipitation is 42.6 inches, with July being the wettest month (4.4") and February the driest (2.9").