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Weather & Climate in Mount Olive, MS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mount Olive enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 48°F in January while summers reach 82°F in July. The area gets 306 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 58.1 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 342 feet.
Temperature
48°F Jan (9°C)
82°F Jul (28°C)
| Annual Average | 66.0°F |
| 22% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 342 ft (104 m) |
| Area | 3.1 sq mi (8.0 km²) |
| Population Density | 409/sq mi |
| Coordinates | 31.7538°N, 89.6559°W |
| Timezone | America/Chicago |
| County | Covington County County |
| Nearest Airport | Hattiesburg/Laurel Regional (PIB) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.8 / 100 |
| Social Vulnerability | 94.3 / 100 |
| Community Resilience | 22.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| 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)
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Jul 16, 1993 | 2 km SSW of Silas, Alabama | M3.7 | 124 km | 5 km |
| Mar 25, 1996 | 11 km NNE of Quitman, Mississippi | M3.5 | 102 km | 5 km |
| May 3, 2015 | 7 km SSW of Canton, Mississippi | M3.2 | 98 km | 5 km |
| Jun 29, 2015 | 6 km SSW of Canton, Mississippi | M3.2 | 98 km | 5 km |
| May 16, 2008 | 10 km W of Coffeeville, Alabama | M3.1 | 137 km | 5 km |
| May 3, 2015 | 8 km WSW of Canton, Mississippi | M3.0 | 101 km | 5 km |
| Mar 15, 2025 | 5 km NNE of Magee, Mississippi | M3.0 | 19 km | 10 km |
| Aug 9, 2019 | Mississippi | M2.8 | 93 km | 5 km |
| Aug 17, 2015 | 9 km N of Madison, Mississippi | M2.6 | 98 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Francine | Category 2 | 104 mph | 267 km |
| 2021 | Ida | Category 4 | 150 mph | 168 km |
| 2020 | Zeta | Category 3 | 115 mph | 82 km |
| 2020 | Sally | Category 2 | 109 mph | 239 km |
| 2017 | Nate | Category 1 | 86 mph | 163 km |
| 2012 | Isaac | Category 1 | 81 mph | 274 km |
| 2008 | Gustav | Category 2 | 104 mph | 268 km |
| 2005 | Dennis | Category 4 | 127 mph | 248 km |
| 2005 | Katrina | Category 3 | 127 mph | 29 km |
| 2005 | Cindy | Category 1 | 75 mph | 287 km |
| 2004 | Ivan | Category 3 | 121 mph | 189 km |
| 1998 | Georges | Category 2 | 109 mph | 147 km |
| 1997 | Danny | Category 1 | 81 mph | 225 km |
| 1995 | Opal | Category 3 | 115 mph | 284 km |
| 1995 | Erin | Category 2 | 98 mph | 242 km |
| 1992 | Andrew | Category 4 | 138 mph | 239 km |
| 1988 | Florence | Category 1 | 81 mph | 274 km |
| 1985 | Elena | Category 3 | 121 mph | 118 km |
| 1985 | Juan | Category 1 | 86 mph | 287 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
951 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 145 fatalities, 2,383 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 3, 1966 | EF5 | 97 km | 202.5 mi | 58 |
| Apr 19, 2020 | EF4 | 81 km | 53.8 mi | 1 |
| Apr 12, 2020 | EF4 | 72 km | 21.2 mi | 4 |
| Apr 12, 2020 | EF4 | 34 km | 67.4 mi | 7 |
| Feb 10, 2013 | EF4 | 56 km | 21.7 mi | 0 |
| Apr 27, 2011 | EF4 | 34 km | 122.0 mi | 7 |
| Nov 24, 2001 | EF4 | 91 km | 11.5 mi | 2 |
| Nov 22, 1992 | EF4 | 17 km | 40.0 mi | 0 |
| Nov 21, 1992 | EF4 | 59 km | 128.0 mi | 12 |
| Feb 28, 1987 | EF4 | 48 km | 35.0 mi | 6 |
| Apr 18, 1978 | EF4 | 49 km | 19.1 mi | 4 |
| Mar 29, 1976 | EF4 | 94 km | 126.5 mi | 0 |
| Mar 26, 1976 | EF4 | 35 km | 18.5 mi | 0 |
| Dec 2, 1967 | EF4 | 82 km | 7.6 mi | 2 |
| Jun 18, 2023 | EF3 | 46 km | 6.5 mi | 1 |
| Apr 12, 2020 | EF3 | 61 km | 83.2 mi | 0 |
| Dec 16, 2019 | EF3 | 5 km | 18.6 mi | 0 |
| Dec 16, 2019 | EF3 | 41 km | 5.8 mi | 0 |
| Dec 16, 2019 | EF3 | 47 km | 61.2 mi | 0 |
| Jan 21, 2017 | EF3 | 65 km | 31.1 mi | 4 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: WHITE DOG (12,306 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | WHITE DOG | 12,306 | 87 km |
| 2014 | UNNAMED | 9,932 | 88 km |
| 2005 | UNNAMED | 6,712 | 96 km |
| 2000 | COW PEN | 6,502 | 86 km |
| 2010 | CRIPPLE CHINOOK | 6,035 | 89 km |
| 2005 | UNNAMED | 5,819 | 87 km |
| 1987 | MACHINE GUN | 5,601 | 88 km |
| 1990 | PIERCES CREEK | 5,544 | 89 km |
| 2020 | 369 D | 5,362 | 85 km |
| 2005 | UNNAMED | 5,062 | 74 km |
| 2013 | UNNAMED | 4,999 | 73 km |
| 2018 | UNNAMED | 4,991 | 87 km |
| 2014 | UNNAMED | 4,899 | 100 km |
| 2021 | CHICKASAWHAY - CPT 398 399 | 4,697 | 83 km |
| 2014 | BIEN 75-78 | 4,658 | 60 km |
| 2021 | BIENVILLE - CPT 38-39-40 | 4,545 | 71 km |
| 2005 | UNNAMED | 4,500 | 86 km |
| 2008 | UNNAMED | 4,281 | 95 km |
| 2018 | UNNAMED | 4,245 | 74 km |
| 2014 | UNNAMED | 4,189 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 5.6 in | Coldest |
| February | 50°F (10°C) | 5.4 in | |
| March | 57°F (14°C) | 6.4 in | Wettest |
| April | 64°F (18°C) | 5.6 in | |
| May | 71°F (22°C) | 5.1 in | |
| June | 78°F (25°C) | 4.1 in | |
| July | 82°F (28°C) | 4.9 in | Warmest |
| August | 80°F (27°C) | 4.2 in | |
| September | 75°F (24°C) | 3.9 in | |
| October | 65°F (18°C) | 3.4 in | Driest |
| November | 56°F (13°C) | 4.6 in | |
| December | 49°F (9°C) | 6.1 in |
Mount Olive has a seasonal temperature swing of 34°F / from 48°F in January to 82°F in July. Total annual precipitation is 59.2 inches, with March being the wettest month (6.4") and October the driest (3.4").