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Weather & Climate in Portland, TX

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

Portland has a warm climate with an average annual temperature of 74°F (23°C). Winters average 58°F in January while summers reach 86°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. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 37 feet.

Temperature

58°F Jan (14°C) 86°F Jul (30°C)
Annual Average73.7°F
36% above US avg
January Average58°F (14°C)
July Average86°F (30°C)
Sunny Days330 days/yr

Geography

Elevation37 ft (11 m)
Area9.7 sq mi (25.0 km²)
Population Density1,679/sq mi
Coordinates27.8890°N, 97.3316°W
TimezoneAmerica/Chicago
CountyNueces County County
Nearest AirportCorpus Christi International (CRP)
13 miles away

Precipitation & Snow

Wettest Month (Sep) 5.98"
Driest Month (Mar) 1.34"

Air Quality

AQI Median42.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score96.6 / 100
Social Vulnerability76.8 / 100
Community Resilience86.7 / 100

Hazard Breakdown

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

Earthquake History

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

Oct 20, 2011 14 km SSW of Falls City, Texas M4.8 131 km 5 km
Jan 30, 2025 18 km ENE of Falls City, Texas M4.6 139 km 7 km
Feb 17, 2024 3 km SSW of Falls City, Texas M4.5 136 km 7 km
Feb 17, 2024 3 km S of Falls City, Texas M4.3 136 km 8 km
Apr 9, 1993 21 km NW of Pawnee, Texas M4.1 129 km 5 km
Sep 14, 2023 16 km ENE of Falls City, Texas M4.1 139 km 8 km
May 1, 2018 4 km SSE of Falls City, Texas M4.0 135 km 5 km
Feb 22, 2024 3 km E of Falls City, Texas M3.9 137 km 8 km
Apr 7, 2008 7 km SSW of Falls City, Texas M3.9 134 km 5 km
Feb 17, 2024 3 km S of Falls City, Texas M3.9 136 km 8 km
Apr 25, 2010 10 km WNW of Driscoll, Texas M3.9 54 km 5 km
Mar 24, 1997 4 km SSE of Alice, Texas M3.8 74 km 5 km
Feb 12, 2024 3 km S of Falls City, Texas M3.7 136 km 7 km
Feb 17, 2024 2 km S of Falls City, Texas M3.7 136 km 8 km
Jan 6, 2018 17 km SW of Falls City, Texas M3.6 132 km 5 km
Jul 20, 1991 8 km SSW of Falls City, Texas M3.6 133 km 10 km
Jun 16, 2019 5 km SE of Falls City, Texas M3.6 134 km 5 km
May 2, 2024 2 km E of Falls City, Texas M3.5 137 km 7 km
Jan 31, 2025 19 km ENE of Falls City, Texas M3.5 140 km 7 km
Feb 23, 2024 2 km ESE of Falls City, Texas M3.5 137 km 8 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

13 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 145 km
2021 Nicholas Category 1 75 mph 112 km
2020 Hanna Category 1 92 mph 121 km
2017 Harvey Category 4 132 mph 41 km
2008 Dolly Category 2 98 mph 161 km
2008 Ike Category 2 109 mph 299 km
2003 Claudette Category 1 92 mph 90 km
2003 Erika Category 1 75 mph 288 km
1999 Bret Category 4 144 mph 110 km
1989 Jerry Category 1 86 mph 260 km
1983 Alicia Category 3 115 mph 248 km
1983 Barry Category 1 81 mph 277 km
1980 Allen Category 5 161 mph 153 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

364 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 2 fatalities, 112 injuries.

Date Rating Distance Path Fatalities
Apr 29, 1976 EF3 53 km 1.0 mi 0
Jun 24, 1970 EF3 57 km 1.5 mi 1
May 16, 1969 EF3 51 km 0.5 mi 0
Sep 20, 1967 EF3 34 km 1.5 mi 0
Jun 5, 1965 EF3 83 km 1.0 mi 0
Nov 8, 1963 EF3 32 km 1.0 mi 0
Oct 22, 1954 EF3 31 km 20.5 mi 0
Jun 2, 2010 EF2 27 km 3.8 mi 0
Oct 24, 2002 EF2 33 km 2.5 mi 1
Aug 10, 1980 EF2 58 km 2.5 mi 0
Aug 10, 1980 EF2 75 km 2.0 mi 0
Aug 9, 1980 EF2 2 km 1.0 mi 0
Aug 9, 1980 EF2 58 km 5.9 mi 0
May 26, 1976 EF2 35 km 0.5 mi 0
May 7, 1976 EF2 60 km 0.1 mi 0
Apr 28, 1976 EF2 58 km 0.5 mi 0
Oct 29, 1972 EF2 98 km 10.8 mi 0
Aug 3, 1970 EF2 61 km 0.1 mi 0
May 12, 1969 EF2 51 km 4.9 mi 0
Sep 17, 1968 EF2 66 km 0.8 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BORREGA (54,575 acres, 2022).

Year Name Acres Burned Distance
2022 BORREGA 54,575 89 km
2020 SHOOTING RANGE 15,389 55 km
2012 6 MILE 12,272 56 km
2024 LAGUNA 24 12,147 56 km
2005 DAISY 10,556 58 km
2017 CANE 8,802 98 km
2012 MATAGORDA B5 7,817 93 km
2018 TRUST 6,648 95 km
1988 UNNAMED 6,236 58 km
2009 TURTLE 5,457 87 km
1999 UNNAMED 4,966 57 km
1986 FIREWORKS 4,733 58 km
2008 POLARIS 4,624 42 km
2008 UNNAMED 4,589 46 km
2011 GUS CANALAS 4,316 96 km
2018 LIGHTNING14 4,241 70 km
2001 SAVANNAH S 3,866 62 km
2023 LAGUNA LARGA 3,850 91 km
2014 28 MILE 3,719 88 km
2009 FLACA 3,366 63 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 58°F (14°C) 2.0 in Coldest
February 59°F (15°C) 2.0 in
March 66°F (19°C) 1.3 in Driest
April 72°F (22°C) 1.9 in
May 78°F (25°C) 3.6 in
June 82°F (28°C) 3.7 in
July 86°F (30°C) 2.6 in Warmest
August 84°F (29°C) 3.4 in
September 81°F (27°C) 6.0 in Wettest
October 75°F (24°C) 3.7 in
November 66°F (19°C) 1.9 in
December 59°F (15°C) 1.8 in

Portland has a seasonal temperature swing of 28°F / from 58°F in January to 86°F in July. Total annual precipitation is 33.9 inches, with September being the wettest month (6.0") and March the driest (1.3").

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