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Weather & Climate in Plum Grove, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Plum Grove enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 50°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 55.5 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 93 feet.
Temperature
50°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 66.6°F |
| 23% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 93 ft (28 m) |
| Area | 3.8 sq mi (9.7 km²) |
| Population Density | 668/sq mi |
| Coordinates | 30.2008°N, 95.0956°W |
| Timezone | America/Chicago |
| County | Montgomery County County |
| Nearest Airport | George Bush Intcntl/Houston (IAH) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.7 / 100 |
| Social Vulnerability | 23.6 / 100 |
| Community Resilience | 33.0 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
17 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Beryl | Category 1 | 92 mph | 133 km |
| 2021 | Nicholas | Category 1 | 75 mph | 166 km |
| 2020 | Laura | Category 4 | 150 mph | 166 km |
| 2020 | Delta | Category 3 | 115 mph | 192 km |
| 2019 | Barry | Category 1 | 75 mph | 287 km |
| 2017 | Harvey | Category 4 | 132 mph | 271 km |
| 2008 | Ike | Category 2 | 109 mph | 15 km |
| 2007 | Humberto | Category 1 | 92 mph | 102 km |
| 2005 | Rita | Category 3 | 127 mph | 101 km |
| 2003 | Claudette | Category 1 | 92 mph | 215 km |
| 2002 | Lili | Category 1 | 92 mph | 270 km |
| 1989 | Jerry | Category 1 | 86 mph | 112 km |
| 1989 | Chantal | Category 1 | 81 mph | 95 km |
| 1986 | Bonnie | Category 1 | 86 mph | 84 km |
| 1985 | Juan | Category 1 | 86 mph | 226 km |
| 1985 | Danny | Category 1 | 92 mph | 232 km |
| 1983 | Alicia | Category 3 | 115 mph | 68 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
767 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 25 fatalities, 652 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 21, 1992 | EF4 | 55 km | 30.0 mi | 0 |
| Dec 28, 2024 | EF3 | 72 km | 67.9 mi | 0 |
| Dec 28, 2024 | EF3 | 23 km | 10.3 mi | 0 |
| Jan 24, 2023 | EF3 | 69 km | 23.3 mi | 0 |
| Apr 22, 2020 | EF3 | 72 km | 28.5 mi | 3 |
| Mar 30, 2002 | EF3 | 65 km | 0.7 mi | 0 |
| Jan 1, 1999 | EF3 | 66 km | 5.5 mi | 0 |
| Nov 21, 1992 | EF3 | 20 km | 32.0 mi | 0 |
| Feb 5, 1986 | EF3 | 48 km | 5.0 mi | 2 |
| Jan 31, 1983 | EF3 | 89 km | 1.0 mi | 0 |
| Dec 13, 1977 | EF3 | 50 km | 25.1 mi | 1 |
| Mar 8, 1976 | EF3 | 98 km | 12.7 mi | 0 |
| Oct 28, 1974 | EF3 | 94 km | 9.6 mi | 1 |
| Oct 28, 1974 | EF3 | 56 km | 3.3 mi | 1 |
| Sep 13, 1974 | EF3 | 94 km | 3.6 mi | 0 |
| Sep 8, 1969 | EF3 | 57 km | 0.8 mi | 0 |
| May 27, 1969 | EF3 | 60 km | 1.5 mi | 3 |
| Mar 23, 1969 | EF3 | 89 km | 0.5 mi | 0 |
| Dec 12, 1968 | EF3 | 35 km | 6.2 mi | 0 |
| Aug 18, 1967 | EF3 | 89 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: EAST TEXAS COMPLEX (19,100 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | EAST TEXAS COMPLEX | 19,100 | 98 km |
| 2011 | RILEY ROAD | 18,999 | 71 km |
| 2011 | PIPELINE | 7,167 | 83 km |
| 2015 | WF WEST END 2015 | 6,590 | 100 km |
| 2019 | UNNAMED | 6,349 | 73 km |
| 2012 | WF FROZEN POINT | 5,738 | 89 km |
| 2010 | RX BURN COMPARTMENT 86-87 | 5,501 | 48 km |
| 2000 | JACKSON DIT | 5,402 | 88 km |
| 2011 | DYER MILL | 5,170 | 79 km |
| 2013 | UNNAMED | 5,033 | 60 km |
| 2020 | C-38/39/40 | 4,708 | 60 km |
| 1998 | UNNAMED | 4,502 | 90 km |
| 2009 | AHR EAST POST IKE RX 09 | 4,500 | 91 km |
| 2005 | YELLOW RAIL PRAIRIE | 4,358 | 87 km |
| 2002 | S RES CAMPBELL | 4,352 | 91 km |
| 2013 | UNNAMED | 4,218 | 71 km |
| 2017 | UNNAMED | 4,195 | 61 km |
| 2022 | UNNAMED | 4,072 | 49 km |
| 2016 | UNNAMED | 4,014 | 59 km |
| 2020 | BIGWOODS C81/86 | 3,979 | 49 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 4.1 in | Coldest |
| February | 53°F (12°C) | 3.6 in | |
| March | 60°F (16°C) | 3.5 in | Driest |
| April | 67°F (19°C) | 3.5 in | |
| May | 74°F (23°C) | 5.6 in | Wettest |
| June | 80°F (27°C) | 5.6 in | |
| July | 82°F (28°C) | 3.9 in | |
| August | 82°F (28°C) | 3.5 in | Warmest |
| September | 78°F (25°C) | 5.0 in | |
| October | 68°F (20°C) | 4.3 in | |
| November | 59°F (15°C) | 4.3 in | |
| December | 52°F (11°C) | 4.4 in |
Plum Grove has a seasonal temperature swing of 32°F / from 50°F in January to 82°F in August. Total annual precipitation is 51.3 inches, with May being the wettest month (5.6") and March the driest (3.5").