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Weather & Climate in Wylie, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wylie enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 45°F in January while summers reach 84°F in July. The area gets 330 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 38.3 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 482 feet.
Temperature
45°F Jan (7°C)
84°F Jul (29°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 482 ft (147 m) |
| Area | 21.2 sq mi (54.8 km²) |
| Population Density | 2,788/sq mi |
| Coordinates | 33.0358°N, 96.5202°W |
| Timezone | America/Chicago |
| County | Collin County County |
| Nearest Airport | Dallas Love Field (DAL) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 58.4 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
132 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| May 7, 2015 | 5 km N of Venus, Texas | M4.0 | 82 km | 3 km |
| Dec 9, 2013 | 8 km S of Perrin, Texas | M3.7 | 144 km | 5 km |
| Nov 28, 2013 | 6 km SSW of Perrin, Texas | M3.7 | 147 km | 5 km |
| Nov 20, 2013 | 1 km NNW of Azle, Texas | M3.6 | 97 km | 5 km |
| Jan 7, 2015 | 6 km NE of Irving, Texas | M3.6 | 41 km | 5 km |
| Dec 8, 2013 | 0 km NNE of Sanctuary, Texas | M3.6 | 100 km | 5 km |
| Apr 28, 2013 | 4 km NNW of Oakland, Oklahoma | M3.5 | 125 km | 5 km |
| Jun 24, 2012 | 3 km SSE of Briaroaks, Texas | M3.5 | 95 km | 5 km |
| Jan 6, 2015 | 4 km ENE of Irving, Texas | M3.5 | 42 km | 6 km |
| Jun 8, 2004 | 6 km N of Lone Grove, Oklahoma | M3.5 | 150 km | 5 km |
| Mar 4, 2013 | 5 km S of Tishomingo, Oklahoma | M3.5 | 129 km | 5 km |
| May 19, 2018 | 8 km NW of Venus, Texas | M3.4 | 86 km | 5 km |
| May 31, 1997 | 3 km ESE of Neylandville, Texas | M3.4 | 54 km | 5 km |
| Sep 23, 2013 | 4 km WNW of Marietta, Oklahoma | M3.4 | 117 km | 5 km |
| Nov 25, 2013 | 3 km WNW of Sanctuary, Texas | M3.4 | 103 km | 5 km |
| Oct 20, 2002 | 8 km WSW of Lane, Oklahoma | M3.4 | 144 km | 5 km |
| Sep 30, 2012 | 4 km NW of Irving, Texas | M3.4 | 48 km | 5 km |
| Jun 15, 2012 | 5 km SSE of Briaroaks, Texas | M3.3 | 95 km | 5 km |
| May 16, 2009 | 5 km NNW of Grand Prairie, Texas | M3.3 | 54 km | 9 km |
| Jan 18, 2012 | 9 km SSE of Godley, Texas | M3.3 | 117 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2008 | Ike | Category 1 | - | 254 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
800 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 48 fatalities, 1,614 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 4, 2022 | EF4 | 95 km | 44.7 mi | 0 |
| Apr 29, 2017 | EF4 | 99 km | 21.4 mi | 2 |
| Dec 26, 2015 | EF4 | 27 km | 13.0 mi | 10 |
| Apr 25, 1994 | EF4 | 53 km | 6.0 mi | 3 |
| Apr 2, 1957 | EF4 | 100 km | 7.9 mi | 3 |
| May 25, 2024 | EF3 | 42 km | 0.7 mi | 0 |
| Oct 20, 2019 | EF3 | 41 km | 15.8 mi | 0 |
| Apr 29, 2017 | EF3 | 93 km | 39.7 mi | 2 |
| Dec 26, 2015 | EF3 | 73 km | 8.5 mi | 0 |
| Apr 3, 2012 | EF3 | 32 km | 7.7 mi | 0 |
| May 9, 2006 | EF3 | 37 km | 9.3 mi | 3 |
| Apr 16, 2002 | EF3 | 84 km | 2.1 mi | 0 |
| Mar 28, 2000 | EF3 | 66 km | 8.0 mi | 0 |
| Mar 28, 2000 | EF3 | 84 km | 4.0 mi | 2 |
| Dec 13, 1984 | EF3 | 37 km | 10.0 mi | 0 |
| Apr 2, 1982 | EF3 | 70 km | 32.0 mi | 1 |
| May 3, 1979 | EF3 | 98 km | 7.2 mi | 0 |
| May 5, 1978 | EF3 | 33 km | 29.9 mi | 0 |
| May 26, 1976 | EF3 | 34 km | 4.5 mi | 0 |
| May 14, 1974 | EF3 | 63 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: CALLISBURG (5,797 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | CALLISBURG | 5,797 | 95 km |
| 2005 | ACHILLE | 4,958 | 93 km |
| 2006 | UNNAMED | 1,634 | 76 km |
| 2006 | COOPER LAKE | 1,224 | 73 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 2.0 in | Coldest, Driest |
| February | 48°F (9°C) | 2.8 in | |
| March | 56°F (13°C) | 3.4 in | |
| April | 64°F (18°C) | 3.9 in | |
| May | 72°F (22°C) | 5.7 in | Wettest |
| June | 80°F (26°C) | 3.9 in | |
| July | 84°F (29°C) | 2.4 in | Warmest |
| August | 84°F (29°C) | 2.1 in | |
| September | 77°F (25°C) | 4.2 in | |
| October | 66°F (19°C) | 3.8 in | |
| November | 55°F (13°C) | 2.9 in | |
| December | 46°F (8°C) | 2.4 in |
Wylie has a seasonal temperature swing of 40°F / from 45°F in January to 84°F in July. Total annual precipitation is 39.4 inches, with May being the wettest month (5.7") and January the driest (2.0").