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Weather & Climate in Jourdanton, TX

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Jourdanton has a warm climate with an average annual temperature of 72°F (22°C). Winters average 56°F in January while summers reach 86°F in July. The area gets 312 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 26.8 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 488 feet.

Temperature

56°F Jan (13°C) 86°F Jul (30°C)
Annual Average72.3°F
34% above US avg
January Average56°F (13°C)
July Average86°F (30°C)
Sunny Days312 days/yr

Geography

Elevation488 ft (149 m)
Area3.5 sq mi (9.1 km²)
Population Density1,145/sq mi
Coordinates28.9140°N, 98.5408°W
TimezoneAmerica/Chicago
CountyAtascosa County County
Nearest AirportSan Antonio International (SAT)
43 miles away

Precipitation & Snow

Annual Rainfall 26.8"
29% below US avg
Snowfall 0.0"
Wettest Month (May) 3.82"
Driest Month (Mar) 1.02"

Air Quality

AQI Median42.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score60.7 / 100
Social Vulnerability89.6 / 100
Community Resilience14.3 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Relatively Low
Earthquake Very Low
Wildfire Relatively Low
Flood Relatively Low
Hail Relatively Moderate
Strong Wind Relatively Low
Heat Wave Relatively Moderate
Winter Weather Relatively Low
Lightning Relatively Moderate
Ice Storm Relatively Low
Drought Relatively High
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

223 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.

Oct 20, 2011 14 km SSW of Falls City, Texas M4.8 45 km 5 km
Jan 30, 2025 18 km ENE of Falls City, Texas M4.6 70 km 7 km
Feb 17, 2024 3 km SSW of Falls City, Texas M4.5 50 km 7 km
Feb 17, 2024 3 km S of Falls City, Texas M4.3 51 km 8 km
Apr 9, 1993 21 km NW of Pawnee, Texas M4.1 42 km 5 km
Sep 14, 2023 16 km ENE of Falls City, Texas M4.1 68 km 8 km
May 1, 2018 4 km SSE of Falls City, Texas M4.0 53 km 5 km
Feb 17, 2024 3 km S of Falls City, Texas M3.9 50 km 8 km
Feb 22, 2024 3 km E of Falls City, Texas M3.9 55 km 8 km
Apr 7, 2008 7 km SSW of Falls City, Texas M3.9 49 km 5 km
Jul 19, 2023 19 km E of Pleasanton, Texas M3.8 26 km 9 km
Mar 24, 1997 4 km SSE of Alice, Texas M3.8 141 km 5 km
Feb 12, 2024 3 km S of Falls City, Texas M3.7 51 km 7 km
Feb 17, 2024 2 km S of Falls City, Texas M3.7 51 km 8 km
Jan 6, 2018 17 km SW of Falls City, Texas M3.6 42 km 5 km
Jul 20, 1991 8 km SSW of Falls City, Texas M3.6 49 km 10 km
Jun 16, 2019 5 km SE of Falls City, Texas M3.6 54 km 5 km
Feb 23, 2024 2 km ESE of Falls City, Texas M3.5 54 km 8 km
May 2, 2024 2 km E of Falls City, Texas M3.5 54 km 7 km
Jan 31, 2025 19 km ENE of Falls City, Texas M3.5 70 km 7 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

8 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 249 km
2021 Nicholas Category 1 75 mph 250 km
2020 Hanna Category 1 92 mph 263 km
2017 Harvey Category 4 132 mph 123 km
2008 Dolly Category 1 86 mph 278 km
2003 Claudette Category 1 92 mph 164 km
1999 Bret Category 4 138 mph 206 km
1980 Allen Category 2 98 mph 178 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

279 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 12 fatalities, 143 injuries.

Date Rating Distance Path Fatalities
Apr 15, 1973 EF4 67 km 23.3 mi 5
Apr 28, 1953 EF4 75 km 1.0 mi 2
Apr 29, 1975 EF3 65 km 8.3 mi 3
Sep 20, 1967 EF3 91 km 5.0 mi 0
May 29, 1967 EF3 67 km 1.0 mi 0
Apr 25, 1966 EF3 66 km 0.1 mi 0
Nov 22, 1961 EF3 52 km 1.0 mi 0
Dec 1, 1953 EF3 88 km 5.1 mi 0
Apr 28, 1953 EF3 71 km 4.9 mi 1
Feb 19, 2017 EF2 64 km 4.6 mi 0
Oct 30, 2015 EF2 44 km 5.3 mi 0
Oct 30, 2015 EF2 96 km 8.3 mi 0
Mar 19, 2012 EF2 43 km 5.0 mi 0
Mar 19, 2012 EF2 47 km 3.5 mi 0
Jul 21, 2007 EF2 81 km 2.0 mi 0
Apr 7, 2002 EF2 65 km 1.0 mi 0
Mar 19, 2002 EF2 40 km 1.5 mi 0
Oct 12, 2001 EF2 79 km 1.2 mi 0
Feb 19, 1991 EF2 97 km 0.2 mi 0
Sep 17, 1988 EF2 55 km 5.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

6 wildfires (100+ acres) recorded within 100 km. Largest: COTULLA (8,419 acres, 2008).

Year Name Acres Burned Distance
2008 COTULLA 8,419 87 km
2022 LOS ANGELES 6,287 61 km
2022 CHRISTINE 2,946 22 km
2022 TRAINING AREA 23 2,696 87 km
2008 UNNAMED 2,171 95 km
2022 DAS GOAT 1,135 76 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 56°F (13°C) 1.4 in
February 56°F (13°C) 1.7 in
March 64°F (18°C) 1.0 in Driest
April 70°F (21°C) 2.3 in
May 77°F (25°C) 3.8 in Wettest
June 82°F (28°C) 3.1 in
July 86°F (30°C) 1.9 in Warmest
August 84°F (29°C) 2.4 in
September 80°F (27°C) 3.7 in
October 72°F (22°C) 2.9 in
November 62°F (17°C) 1.7 in
December 55°F (13°C) 1.3 in Coldest

Jourdanton has a seasonal temperature swing of 31°F / from 55°F in December to 86°F in July. Total annual precipitation is 27.1 inches, with May being the wettest month (3.8") and March the driest (1.0").

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