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Weather & Climate in Olla, LA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Olla enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 47°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 59.5 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 142 feet.
Temperature
47°F Jan (8°C)
82°F Jul (28°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 142 ft (43 m) |
| Area | 1.5 sq mi (3.9 km²) |
| Population Density | 335/sq mi |
| Coordinates | 31.8981°N, 92.2404°W |
| Timezone | America/Chicago |
| County | LaSalle Parish County |
| Nearest Airport | Esler Regional (ESF) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 12.2 / 100 |
| Social Vulnerability | 48.4 / 100 |
| Community Resilience | 66.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Jan 27, 2024 | 4 km SSW of Hall Summit, Louisiana | M3.6 | 106 km | 9 km |
| Jun 10, 1994 | 4 km E of Junction City, Arkansas | M3.2 | 130 km | 5 km |
| Mar 3, 2001 | 2 km SSE of El Dorado, Arkansas | M3.0 | 149 km | 5 km |
| Jan 9, 2024 | 1 km S of Edgefield, Louisiana | M2.8 | 104 km | 5 km |
| Jan 11, 2024 | 6 km SSW of Hall Summit, Louisiana | M2.8 | 105 km | 5 km |
| Jan 9, 1997 | 6 km E of El Dorado, Arkansas | M2.8 | 149 km | 5 km |
| Feb 24, 2020 | 12 km ENE of Junction City, Arkansas | M2.8 | 134 km | 14 km |
| May 11, 2020 | 13 km SSE of El Dorado, Arkansas | M2.8 | 138 km | 12 km |
| Apr 26, 2024 | 8 km SSE of Doyline, Louisiana | M2.7 | 125 km | 5 km |
| Jan 19, 2024 | 7 km SW of Hall Summit, Louisiana | M2.7 | 108 km | 5 km |
| Jan 19, 2024 | 5 km NNE of Edgefield, Louisiana | M2.7 | 104 km | 5 km |
| Apr 23, 2024 | 3 km N of Ringgold, Louisiana | M2.7 | 110 km | 5 km |
| Apr 13, 2024 | 4 km NW of Edgefield, Louisiana | M2.6 | 108 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 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 | 286 km |
| 2021 | Ida | Category 4 | 144 mph | 199 km |
| 2020 | Laura | Category 4 | 150 mph | 82 km |
| 2020 | Zeta | Category 3 | 115 mph | 292 km |
| 2020 | Delta | Category 2 | 98 mph | 210 km |
| 2019 | Barry | Category 1 | 75 mph | 256 km |
| 2008 | Gustav | Category 2 | 104 mph | 181 km |
| 2007 | Humberto | Category 1 | 92 mph | 220 km |
| 2005 | Katrina | Category 3 | 127 mph | 266 km |
| 2005 | Rita | Category 3 | 115 mph | 236 km |
| 2002 | Lili | Category 1 | 92 mph | 211 km |
| 1992 | Andrew | Category 4 | 138 mph | 164 km |
| 1986 | Bonnie | Category 1 | 86 mph | 297 km |
| 1985 | Elena | Category 3 | 115 mph | 267 km |
| 1985 | Danny | Category 1 | 92 mph | 216 km |
| 1985 | Juan | Category 1 | 86 mph | 271 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
547 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 71 fatalities, 964 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 21, 1971 | EF5 | 90 km | 109.2 mi | 47 |
| Nov 29, 2010 | EF4 | 55 km | 14.0 mi | 0 |
| Apr 1, 1983 | EF4 | 86 km | 9.0 mi | 2 |
| Dec 13, 2022 | EF3 | 100 km | 9.1 mi | 0 |
| Nov 29, 2022 | EF3 | 19 km | 7.9 mi | 0 |
| Apr 12, 2020 | EF3 | 64 km | 8.0 mi | 0 |
| Apr 12, 2020 | EF3 | 82 km | 2.6 mi | 0 |
| Apr 25, 2019 | EF3 | 79 km | 11.2 mi | 2 |
| Sep 24, 2005 | EF3 | 68 km | 14.0 mi | 0 |
| Nov 23, 2004 | EF3 | 2 km | 15.0 mi | 1 |
| Jan 21, 1999 | EF3 | 61 km | 22.0 mi | 0 |
| Nov 21, 1992 | EF3 | 69 km | 3.0 mi | 0 |
| Nov 21, 1992 | EF3 | 61 km | 38.0 mi | 0 |
| Dec 21, 1990 | EF3 | 71 km | 18.0 mi | 0 |
| May 19, 1983 | EF3 | 40 km | 2.0 mi | 0 |
| May 19, 1983 | EF3 | 80 km | 2.0 mi | 0 |
| May 19, 1983 | EF3 | 64 km | 23.0 mi | 0 |
| May 19, 1983 | EF3 | 6 km | 12.0 mi | 1 |
| May 18, 1983 | EF3 | 93 km | 9.0 mi | 0 |
| Apr 1, 1983 | EF3 | 59 km | 21.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: C-368 366 365 364 75 (5,919 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | C-368 366 365 364 75 | 5,919 | 89 km |
| 2021 | C-43/44 | 5,340 | 89 km |
| 2020 | UNNAMED | 5,104 | 99 km |
| 2013 | UNNAMED | 4,777 | 82 km |
| 2017 | UNNAMED | 4,498 | 42 km |
| 2019 | C-371/369/34 | 4,481 | 87 km |
| 2013 | UNNAMED | 4,440 | 85 km |
| 2011 | TD13 | 4,208 | 83 km |
| 2010 | WRANGLER | 3,693 | 85 km |
| 2017 | UNNAMED | 3,648 | 88 km |
| 2024 | RX CAT C-40-41-42 | 3,635 | 39 km |
| 2020 | UNNAMED | 3,599 | 90 km |
| 2019 | C-110/111 | 3,516 | 37 km |
| 2018 | UNNAMED | 3,431 | 97 km |
| 2016 | UNNAMED | 3,408 | 61 km |
| 2015 | UNNAMED | 3,338 | 90 km |
| 2018 | UNNAMED | 3,203 | 90 km |
| 2021 | C15/16 | 3,189 | 91 km |
| 2024 | RX CALE C-34-369 | 3,183 | 86 km |
| 2022 | C-34/369 | 3,160 | 86 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 5.4 in | Coldest |
| February | 50°F (10°C) | 5.2 in | |
| March | 58°F (14°C) | 5.7 in | |
| April | 65°F (18°C) | 4.6 in | |
| May | 72°F (22°C) | 5.9 in | |
| June | 79°F (26°C) | 4.3 in | |
| July | 82°F (28°C) | 4.3 in | Warmest |
| August | 81°F (27°C) | 3.5 in | Driest |
| September | 76°F (24°C) | 4.1 in | |
| October | 65°F (18°C) | 4.0 in | |
| November | 56°F (13°C) | 5.1 in | |
| December | 49°F (9°C) | 6.3 in | Wettest |
Olla has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 58.5 inches, with December being the wettest month (6.3") and August the driest (3.5").