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Weather & Climate in Mound Bayou, MS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mound Bayou enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°F in January while summers reach 82°F in July. The area gets 304 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 54.0 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 144 feet.
Temperature
42°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 63.1°F |
| 17% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 144 ft (44 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 1,734/sq mi |
| Coordinates | 33.8807°N, 90.7279°W |
| Timezone | America/Chicago |
| County | Bolivar County County |
| Nearest Airport | Pinebluff Regional/Grider Field (PBF) 72 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.8 / 100 |
| Social Vulnerability | 98.7 / 100 |
| Community Resilience | 45.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Oct 29, 2012 | 8 km SW of Parkin, Arkansas | M3.9 | 147 km | 21 km |
| Jan 8, 2019 | 8 km WNW of Hollandale, Mississippi | M3.7 | 78 km | 16 km |
| Aug 11, 1996 | 9 km WSW of Shaw, Mississippi | M3.1 | 36 km | 10 km |
| Oct 26, 2002 | 3 km SE of Alligator, Mississippi | M3.1 | 21 km | 3 km |
| Aug 11, 2002 | 8 km ESE of Darling, Mississippi | M2.8 | 72 km | 4 km |
| Feb 25, 1999 | 10 km NE of Oakland, Mississippi | M2.8 | 86 km | 5 km |
| Feb 11, 1991 | 10 km SSW of Clarksdale, Mississippi | M2.7 | 28 km | 12 km |
| Oct 18, 2009 | 9 km SE of Redfield, Arkansas | M2.6 | 139 km | 29 km |
| Apr 11, 1996 | 9 km ENE of Biscoe, Arkansas | M2.6 | 121 km | 7 km |
| Oct 20, 1999 | 8 km NE of Clarendon, Arkansas | M2.5 | 109 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2005 | Katrina | Category 1 | — | 253 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
411 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 27 fatalities, 463 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 24, 2001 | EF4 | 57 km | 30.3 mi | 0 |
| Mar 9, 1992 | EF4 | 93 km | 20.0 mi | 0 |
| Apr 17, 1978 | EF4 | 52 km | 3.6 mi | 0 |
| Mar 24, 2023 | EF3 | 90 km | 29.4 mi | 3 |
| Dec 23, 2015 | EF3 | 13 km | 61.6 mi | 2 |
| Feb 24, 2007 | EF3 | 96 km | 29.1 mi | 0 |
| Nov 24, 2001 | EF3 | 73 km | 5.0 mi | 0 |
| Feb 24, 2001 | EF3 | 69 km | 42.0 mi | 0 |
| Feb 24, 2001 | EF3 | 70 km | 22.0 mi | 0 |
| May 2, 1997 | EF3 | 92 km | 20.0 mi | 0 |
| Dec 21, 1990 | EF3 | 73 km | 3.5 mi | 0 |
| Nov 19, 1988 | EF3 | 18 km | 4.0 mi | 0 |
| Apr 24, 1976 | EF3 | 45 km | 24.6 mi | 0 |
| Nov 24, 1973 | EF3 | 54 km | 0.1 mi | 0 |
| Nov 20, 1973 | EF3 | 67 km | 11.9 mi | 0 |
| Apr 21, 1972 | EF3 | 68 km | 12.8 mi | 0 |
| Feb 21, 1971 | EF3 | 20 km | 8.6 mi | 3 |
| Feb 9, 1965 | EF3 | 83 km | 10.5 mi | 0 |
| Feb 9, 1965 | EF3 | 92 km | 2.0 mi | 0 |
| Apr 29, 1963 | EF3 | 62 km | 5.7 mi | 5 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,376 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | UNNAMED | 2,376 | 91 km |
| 2024 | HOLLY SPRINGS IU 130-1 RX | 1,839 | 91 km |
| 2021 | HOLLY SPRINGS - BB 123 124 | 1,761 | 87 km |
| 2018 | UNNAMED | 1,760 | 87 km |
| 2010 | COMP 139 | 1,671 | 84 km |
| 2024 | HOLLY SPRINGS IU 127-1 128-1 RX | 1,353 | 88 km |
| 2006 | UNNAMED | 1,334 | 82 km |
| 2010 | DREW | 1,283 | 98 km |
| 2010 | COMP 134 | 1,257 | 86 km |
| 2021 | HOLLY SPRINGS BB 127/128 | 1,231 | 88 km |
| 2024 | HOLLY SPRINGS CPT 123124 RX | 1,216 | 87 km |
| 2022 | HOLLY SPRINGS BB 130/136 | 1,129 | 90 km |
| 2010 | COMP 135 | 1,063 | 89 km |
| 2015 | UNNAMED | 981 | 87 km |
| 2013 | C-132 | 889 | 86 km |
| 2022 | HOLLY SPRINGS BB 133 | 866 | 84 km |
| 2017 | 310 WEST OF COMO | 745 | 93 km |
| 1993 | UNNAMED | 651 | 80 km |
| 1996 | UNNAMED | 647 | 94 km |
| 2018 | UNNAMED | 599 | 88 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 4.6 in | Coldest |
| February | 46°F (8°C) | 4.7 in | |
| March | 54°F (12°C) | 5.9 in | Wettest |
| April | 63°F (17°C) | 5.4 in | |
| May | 72°F (22°C) | 5.4 in | |
| June | 79°F (26°C) | 4.4 in | |
| July | 82°F (28°C) | 4.2 in | Warmest |
| August | 80°F (27°C) | 2.8 in | Driest |
| September | 75°F (24°C) | 3.3 in | |
| October | 64°F (18°C) | 3.3 in | |
| November | 53°F (12°C) | 5.3 in | |
| December | 45°F (7°C) | 5.6 in |
Mound Bayou has a seasonal temperature swing of 40°F / from 42°F in January to 82°F in July. Total annual precipitation is 54.8 inches, with March being the wettest month (5.9") and August the driest (2.8").