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Weather & Climate in Chapeno, TX

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

Chapeno has a warm climate with an average annual temperature of 77°F (25°C). Winters average 60°F in January while summers reach 89°F in July. The area gets 323 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 19.5 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 319 feet.

Temperature

60°F Jan (16°C) 89°F Jul (32°C)
Annual Average76.6°F
42% above US avg
January Average60°F (16°C)
July Average89°F (32°C)
Sunny Days323 days/yr

Geography

Elevation319 ft (97 m)
Area0.0 sq mi (0.1 km²)
Population Density1,050/sq mi
Coordinates26.5509°N, 99.1339°W
TimezoneAmerica/Chicago
CountyZapata County County
Nearest AirportMc Allen International (MFE)
63 miles away

Precipitation & Snow

Annual Rainfall 19.5"
49% below US avg
Snowfall 0.0"
Wettest Month (Sep) 4.17"
Driest Month (Mar) 0.63"

Air Quality

AQI Median42.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score31.4 / 100
Social Vulnerability96.8 / 100
Community Resilience0.5 / 100

Hazard Breakdown

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

Earthquake History

12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.

Jun 14, 2009 35 km E of Ciudad General Terán, Mexico M4.4 141 km 18 km
Mar 18, 2014 18 km E of Pueblo Nuevo, Mexico M4.1 129 km 1 km
Jan 19, 2014 12 km SSW of China, Mexico M4.1 108 km 12 km
Dec 22, 2013 19 km NE of Ciudad General Terán, Mexico M4.0 136 km 37 km
Feb 11, 2014 31 km SSE of China, Mexico M4.0 125 km 41 km
Mar 4, 2014 27 km SE of Los Ramones, Mexico M4.0 120 km 5 km
Nov 25, 2013 23 km SE of Los Ramones, Mexico M4.0 119 km 10 km
Mar 2, 2014 15 km SW of China, Mexico M4.0 108 km 8 km
Nov 30, 2013 26 km SE of Los Ramones, Mexico M3.9 121 km 2 km
Mar 5, 2014 18 km SSW of China, Mexico M3.9 114 km 10 km
Nov 26, 2013 22 km S of China, Mexico M3.6 118 km 37 km
Aug 30, 2016 11 km N of Los Ramones, Mexico M3.6 98 km 38 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

10 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.

Year Name Category Max Wind Closest
2020 Hanna Category 1 92 mph 113 km
2017 Harvey Category 4 132 mph 269 km
2010 Alex Category 2 109 mph 282 km
2008 Dolly Category 2 98 mph 133 km
2005 Emily Category 3 127 mph 178 km
2003 Erika Category 1 75 mph 215 km
1999 Bret Category 4 138 mph 119 km
1988 Gilbert Category 4 132 mph 220 km
1983 Barry Category 1 81 mph 208 km
1980 Allen Category 4 127 mph 73 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

39 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 61 injuries.

Date Rating Distance Path Fatalities
Mar 15, 1983 EF3 98 km 6.1 mi 0
Apr 19, 1965 EF3 82 km 1.5 mi 0
May 5, 1991 EF2 65 km 1.0 mi 0
Jun 29, 1971 EF2 98 km 0.3 mi 0
May 23, 1970 EF2 41 km 4.5 mi 0
May 23, 1970 EF2 41 km 4.5 mi 0
Apr 26, 1967 EF2 77 km 40.2 mi 0
Apr 5, 1961 EF2 88 km 2.5 mi 0
Sep 7, 1956 EF2 41 km 0.1 mi 0
Jul 2, 2010 EF1 95 km 1.9 mi 0
Jul 16, 2007 EF1 98 km 1.0 mi 0
Apr 30, 2003 EF1 77 km 0.3 mi 0
May 21, 2001 EF1 89 km 0.2 mi 0
May 21, 2001 EF1 88 km 0.1 mi 0
Jun 14, 1994 EF1 73 km 0.5 mi 0
Sep 7, 1983 EF1 65 km 2.0 mi 0
Aug 29, 1981 EF1 90 km 2.0 mi 0
Aug 10, 1980 EF1 77 km 1.0 mi 0
May 22, 1977 EF1 98 km 0.1 mi 0
Sep 13, 1970 EF1 92 km 1.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BURNS RANCH FIRE (58,395 acres, 2008).

Year Name Acres Burned Distance
2008 BURNS RANCH FIRE 58,395 91 km
2017 HOPPER 7,150 99 km
2022 BLANKET 5,823 97 km
2021 NORTH JONES 3,541 89 km
2023 JENNINGS 3,494 65 km
2008 UNNAMED 3,389 57 km
2008 DANA 3,127 95 km
2008 JONES RANCH 2,998 60 km
2005 2686 2,979 35 km
2009 HOPPER 2,929 98 km
2021 JONES 2,178 85 km
2010 ENCINITOS RANCH 1,967 81 km
2011 ENCINITOS 1,748 84 km
2023 FLORIDA 1,514 98 km
2008 SAN RAFAEL RANCH 1,407 67 km
2005 BORREGO 1,392 57 km
2004 ROMAN COMPLEX 1,241 35 km
2022 LA PALOMA 1,214 59 km
2004 SAN ISIDRO 1,181 79 km
2022 MILLER 1,005 74 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 60°F (16°C) 0.8 in
February 61°F (16°C) 1.1 in
March 69°F (21°C) 0.6 in Driest
April 75°F (24°C) 1.5 in
May 81°F (27°C) 2.8 in
June 85°F (30°C) 2.5 in
July 89°F (32°C) 1.7 in Warmest
August 87°F (30°C) 2.2 in
September 83°F (28°C) 4.2 in Wettest
October 75°F (24°C) 2.1 in
November 66°F (19°C) 0.9 in
December 59°F (15°C) 0.9 in Coldest

Chapeno has a seasonal temperature swing of 30°F / from 59°F in December to 89°F in July. Total annual precipitation is 21.4 inches, with September being the wettest month (4.2") and March the driest (0.6").

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