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Weather & Climate in Grangerland, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grangerland enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 51°F in January while summers reach 83°F in July. The area gets 301 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 47.7 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 150 feet.
Temperature
51°F Jan (10°C)
83°F Jul (28°C)
| Annual Average | 67.7°F |
| 25% above US avg | |
| January Average | 51°F (10°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 150 ft (46 m) |
| Area | 1.7 sq mi (4.4 km²) |
| Population Density | 619/sq mi |
| Coordinates | 30.2539°N, 95.3301°W |
| Timezone | America/Chicago |
| County | Montgomery County County |
| Nearest Airport | Conroe/North Houston Regional (CXO) 9 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)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.5.
| Apr 2, 2024 | 4 km SSW of Round Top, Texas | M2.5 | 135 km | 17 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 | Beryl | Category 1 | 92 mph | 124 km |
| 2021 | Nicholas | Category 1 | 75 mph | 166 km |
| 2020 | Laura | Category 4 | 150 mph | 187 km |
| 2020 | Delta | Category 2 | 104 mph | 214 km |
| 2017 | Harvey | Category 4 | 132 mph | 257 km |
| 2008 | Ike | Category 2 | 109 mph | 14 km |
| 2007 | Humberto | Category 1 | 92 mph | 123 km |
| 2005 | Rita | Category 3 | 127 mph | 121 km |
| 2003 | Claudette | Category 1 | 92 mph | 218 km |
| 2002 | Lili | Category 1 | — | 293 km |
| 1989 | Chantal | Category 1 | 81 mph | 115 km |
| 1989 | Jerry | Category 1 | 86 mph | 121 km |
| 1986 | Bonnie | Category 1 | 86 mph | 107 km |
| 1985 | Danny | Category 1 | 92 mph | 255 km |
| 1985 | Juan | Category 1 | 86 mph | 249 km |
| 1983 | Alicia | Category 3 | 115 mph | 64 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
689 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 25 fatalities, 619 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 21, 1992 | EF4 | 59 km | 30.0 mi | 0 |
| Dec 28, 2024 | EF3 | 12 km | 10.3 mi | 0 |
| Dec 28, 2024 | EF3 | 91 km | 67.9 mi | 0 |
| Jan 24, 2023 | EF3 | 74 km | 23.3 mi | 0 |
| Apr 22, 2020 | EF3 | 67 km | 28.5 mi | 3 |
| Mar 30, 2002 | EF3 | 77 km | 0.7 mi | 0 |
| Jan 1, 1999 | EF3 | 89 km | 5.5 mi | 0 |
| Nov 21, 1992 | EF3 | 35 km | 32.0 mi | 0 |
| Feb 5, 1986 | EF3 | 33 km | 5.0 mi | 2 |
| Dec 13, 1977 | EF3 | 53 km | 25.1 mi | 1 |
| Mar 8, 1976 | EF3 | 99 km | 12.7 mi | 0 |
| Oct 28, 1974 | EF3 | 68 km | 3.3 mi | 1 |
| Sep 13, 1974 | EF3 | 85 km | 3.6 mi | 0 |
| Sep 8, 1969 | EF3 | 63 km | 0.8 mi | 0 |
| May 27, 1969 | EF3 | 80 km | 1.5 mi | 3 |
| Dec 12, 1968 | EF3 | 12 km | 6.2 mi | 0 |
| Sep 20, 1967 | EF3 | 99 km | 19.9 mi | 0 |
| Sep 20, 1967 | EF3 | 99 km | 19.9 mi | 0 |
| Sep 22, 1965 | EF3 | 39 km | 0.8 mi | 0 |
| Sep 12, 1961 | EF3 | 59 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 | 48 km |
| 2019 | UNNAMED | 6,349 | 50 km |
| 2010 | RX BURN COMPARTMENT 86-87 | 5,501 | 39 km |
| 2011 | DYER MILL | 5,170 | 56 km |
| 2013 | UNNAMED | 5,033 | 40 km |
| 2020 | C-38/39/40 | 4,708 | 38 km |
| 2013 | UNNAMED | 4,218 | 50 km |
| 2017 | UNNAMED | 4,195 | 41 km |
| 2022 | UNNAMED | 4,072 | 40 km |
| 2016 | UNNAMED | 4,014 | 38 km |
| 2020 | BIGWOODS C81/86 | 3,979 | 40 km |
| 2022 | UNNAMED | 3,972 | 38 km |
| 2010 | RX BURN C 36 39 | 3,832 | 38 km |
| 2022 | UNNAMED | 3,796 | 47 km |
| 2022 | UNNAMED | 3,503 | 95 km |
| 2013 | UNNAMED | 3,489 | 51 km |
| 2010 | RX BURN COMPARTMENTS 111-112 | 3,238 | 32 km |
| 2017 | UNNAMED | 3,208 | 99 km |
| 2021 | BIGWOODS C-80/85 | 3,135 | 39 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (10°C) | 3.8 in | Coldest |
| February | 53°F (12°C) | 3.4 in | |
| March | 60°F (16°C) | 3.2 in | Driest |
| April | 67°F (19°C) | 3.5 in | |
| May | 74°F (23°C) | 5.4 in | Wettest |
| June | 80°F (27°C) | 5.2 in | |
| July | 83°F (28°C) | 3.7 in | Warmest |
| August | 82°F (28°C) | 3.5 in | |
| September | 78°F (25°C) | 4.9 in | |
| October | 69°F (20°C) | 4.1 in | |
| November | 59°F (15°C) | 4.1 in | |
| December | 52°F (11°C) | 4.1 in |
Grangerland has a seasonal temperature swing of 32°F / from 51°F in January to 83°F in July. Total annual precipitation is 48.8 inches, with May being the wettest month (5.4") and March the driest (3.2").