All Countries
Weather & Climate in Marietta, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Marietta enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 44°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 52.8 inches (wetter than the 38-inch national average). The area receives 2.7 inches of snow annually. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 351 feet.
Temperature
44°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 63.1°F |
| 17% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 351 ft (107 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 379/sq mi |
| Coordinates | 33.1735°N, 94.5425°W |
| Timezone | America/Chicago |
| County | Morris County County |
| Nearest Airport | Mount Pleasant Regional (MPS) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 34.5 / 100 |
| Social Vulnerability | 97.5 / 100 |
| Community Resilience | 66.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
24 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| May 17, 2012 | 3 km NE of Timpson, Texas | M4.8 | 140 km | 5 km |
| Sep 2, 2013 | 3 km WNW of Timpson, Texas | M4.3 | 141 km | 5 km |
| Sep 2, 2013 | 14 km WNW of Timpson, Texas | M4.2 | 134 km | 5 km |
| Jan 25, 2013 | 11 km SE of Timpson, Texas | M4.1 | 150 km | 5 km |
| May 10, 2012 | 9 km NW of Timpson, Texas | M3.9 | 135 km | 7 km |
| Jan 18, 2025 | 0 km WSW of Mooringsport, Louisiana | M3.5 | 76 km | 5 km |
| May 31, 1997 | 3 km ESE of Neylandville, Texas | M3.4 | 133 km | 5 km |
| Apr 16, 2021 | 8 km WNW of Blanchard, Louisiana | M3.2 | 83 km | 5 km |
| Apr 22, 2005 | 17 km N of Swink, Oklahoma | M3.0 | 127 km | 5 km |
| Apr 1, 2021 | 7 km W of Blanchard, Louisiana | M3.0 | 85 km | 5 km |
| Jan 6, 2025 | 4 km ESE of Mooringsport, Louisiana | M3.0 | 81 km | 9 km |
| May 31, 2013 | 7 km SE of Timpson, Texas | M2.9 | 147 km | 5 km |
| Dec 7, 2012 | 3 km S of Timpson, Texas | M2.8 | 145 km | 5 km |
| Jan 29, 2013 | 4 km S of Timpson, Texas | M2.8 | 146 km | 5 km |
| Jan 31, 2013 | 7 km WNW of Timpson, Texas | M2.8 | 138 km | 5 km |
| Apr 26, 2024 | 8 km SSE of Doyline, Louisiana | M2.7 | 134 km | 5 km |
| May 20, 2012 | 5 km W of Timpson, Texas | M2.7 | 141 km | 5 km |
| Apr 23, 2024 | 3 km N of Ringgold, Louisiana | M2.7 | 149 km | 5 km |
| Dec 22, 2012 | 1 km W of Timpson, Texas | M2.6 | 142 km | 5 km |
| Jul 27, 2019 | 6 km SSW of Timpson, Texas | M2.6 | 148 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Laura | Category 3 | 98 mph | 188 km |
| 2008 | Ike | Category 1 | — | 252 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
618 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 23 fatalities, 394 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 4, 2022 | EF4 | 75 km | 60.2 mi | 0 |
| Apr 3, 1999 | EF4 | 98 km | 19.3 mi | 7 |
| Apr 2, 1982 | EF4 | 88 km | 45.0 mi | 3 |
| Mar 12, 1971 | EF4 | 35 km | 5.1 mi | 1 |
| Nov 4, 2022 | EF3 | 31 km | 16.9 mi | 1 |
| Nov 4, 2022 | EF3 | 16 km | 15.7 mi | 0 |
| Jan 20, 2010 | EF3 | 84 km | 15.6 mi | 0 |
| Apr 9, 2009 | EF3 | 93 km | 37.2 mi | 0 |
| Apr 9, 2009 | EF3 | 49 km | 9.9 mi | 0 |
| Apr 23, 2000 | EF3 | 95 km | 32.5 mi | 0 |
| Apr 23, 2000 | EF3 | 20 km | 16.0 mi | 0 |
| May 4, 1999 | EF3 | 58 km | 71.5 mi | 1 |
| Apr 1, 1988 | EF3 | 78 km | 13.0 mi | 0 |
| Nov 15, 1987 | EF3 | 12 km | 12.2 mi | 0 |
| Apr 23, 1985 | EF3 | 67 km | 13.0 mi | 0 |
| Apr 2, 1982 | EF3 | 86 km | 18.0 mi | 5 |
| Apr 2, 1982 | EF3 | 68 km | 52.0 mi | 1 |
| Apr 1, 1979 | EF3 | 70 km | 5.6 mi | 0 |
| Nov 1, 1977 | EF3 | 43 km | 5.9 mi | 0 |
| Oct 22, 1972 | EF3 | 85 km | 1.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: NORTHEAST TEXAS FIRE COMPLEX (41,645 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | NORTHEAST TEXAS FIRE COMPLEX | 41,645 | 33 km |
| 2011 | OLD MAGNOLIA | 4,881 | 84 km |
| 2003 | POPS | 4,475 | 49 km |
| 2022 | TXCLR-FY22-RX-W | 3,288 | 67 km |
| 2006 | WHITE ROCK | 3,228 | 79 km |
| 2007 | UNNAMED | 2,925 | 77 km |
| 2011 | DIANA | 2,863 | 58 km |
| 2011 | 592 | 2,278 | 58 km |
| 2011 | PETERS CHAPEL | 2,072 | 60 km |
| 1999 | UNNAMED | 1,699 | 34 km |
| 2007 | UNNAMED | 1,649 | 99 km |
| 2011 | MARSHALL | 1,583 | 84 km |
| 2006 | UNNAMED | 1,478 | 100 km |
| 2011 | RELEASE | 1,398 | 56 km |
| 2004 | UNNAMED | 1,358 | 57 km |
| 1998 | UNNAMED | 1,317 | 81 km |
| 2005 | MAPLE CREEK | 1,223 | 48 km |
| 2011 | UNNAMED | 1,046 | 67 km |
| 2006 | UNNAMED | 1,029 | 87 km |
| 1998 | UNNAMED | 724 | 69 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 2.9 in | Coldest |
| February | 48°F (9°C) | 3.7 in | |
| March | 55°F (13°C) | 4.5 in | |
| April | 63°F (17°C) | 4.5 in | |
| May | 71°F (21°C) | 4.8 in | Wettest |
| June | 78°F (25°C) | 4.1 in | |
| July | 82°F (28°C) | 3.3 in | Warmest |
| August | 81°F (27°C) | 2.6 in | Driest |
| September | 75°F (24°C) | 3.6 in | |
| October | 64°F (18°C) | 3.9 in | |
| November | 54°F (12°C) | 4.8 in | |
| December | 46°F (8°C) | 4.4 in |
Marietta has a seasonal temperature swing of 38°F / from 44°F in January to 82°F in July. Total annual precipitation is 47.2 inches, with May being the wettest month (4.8") and August the driest (2.6").