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Weather & Climate in Marion, TX

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

Marion enjoys a temperate climate with an average annual temperature of 67°F (20°C). Winters average 49°F in January while summers reach 83°F in July. The area gets 300 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 33.6 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 648 feet.

Temperature

49°F Jan (10°C) 83°F Jul (28°C)
Annual Average67.1°F
24% above US avg
January Average49°F (10°C)
July Average83°F (28°C)
Sunny Days300 days/yr

Geography

Elevation648 ft (198 m)
Area0.8 sq mi (2.0 km²)
Population Density1,395/sq mi
Coordinates29.5726°N, 98.1429°W
TimezoneAmerica/Chicago
CountyComal County County
Nearest AirportSan Antonio International (SAT)
20 miles away

Precipitation & Snow

Annual Rainfall 33.6"
12% below US avg
Snowfall 0.0"
Wettest Month (May) 4.72"
Driest Month (Mar) 1.85"

Air Quality

AQI Median42.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score92.7 / 100
Social Vulnerability22.8 / 100
Community Resilience73.5 / 100

Hazard Breakdown

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

Earthquake History

226 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 79 km 5 km
Jan 30, 2025 18 km ENE of Falls City, Texas M4.6 64 km 7 km
Feb 17, 2024 3 km SSW of Falls City, Texas M4.5 70 km 7 km
Feb 17, 2024 3 km S of Falls City, Texas M4.3 70 km 8 km
Sep 14, 2023 16 km ENE of Falls City, Texas M4.1 64 km 8 km
Apr 9, 1993 21 km NW of Pawnee, Texas M4.1 85 km 5 km
May 1, 2018 4 km SSE of Falls City, Texas M4.0 71 km 5 km
Feb 22, 2024 3 km E of Falls City, Texas M3.9 68 km 8 km
Apr 7, 2008 7 km SSW of Falls City, Texas M3.9 73 km 5 km
Feb 17, 2024 3 km S of Falls City, Texas M3.9 70 km 8 km
Jul 19, 2023 19 km E of Pleasanton, Texas M3.8 69 km 9 km
Feb 12, 2024 3 km S of Falls City, Texas M3.7 70 km 7 km
Feb 17, 2024 2 km S of Falls City, Texas M3.7 70 km 8 km
Jan 6, 2018 17 km SW of Falls City, Texas M3.6 80 km 5 km
Jul 20, 1991 8 km SSW of Falls City, Texas M3.6 75 km 10 km
Jun 16, 2019 5 km SE of Falls City, Texas M3.6 71 km 5 km
Jan 31, 2025 19 km ENE of Falls City, Texas M3.5 64 km 7 km
May 2, 2024 2 km E of Falls City, Texas M3.5 68 km 7 km
Feb 23, 2024 2 km ESE of Falls City, Texas M3.5 68 km 8 km
Feb 9, 2024 3 km S of Falls City, Texas M3.4 70 km 6 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 210 km
2021 Nicholas Category 1 75 mph 252 km
2017 Harvey Category 4 132 mph 127 km
2008 Ike Category 2 98 mph 295 km
2003 Claudette Category 1 92 mph 162 km
1999 Bret Category 3 115 mph 275 km
1983 Alicia Category 3 115 mph 256 km
1980 Allen Category 1 81 mph 261 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

379 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 6 fatalities, 163 injuries.

Date Rating Distance Path Fatalities
May 27, 1997 EF4 90 km 5.6 mi 1
Apr 28, 1953 EF4 54 km 1.0 mi 2
Oct 12, 2001 EF3 91 km 2.5 mi 0
May 6, 1969 EF3 72 km 38.9 mi 0
Sep 20, 1967 EF3 9 km 5.0 mi 0
Apr 25, 1966 EF3 88 km 0.1 mi 0
Nov 22, 1961 EF3 43 km 1.0 mi 0
May 10, 1959 EF3 89 km 11.0 mi 0
Dec 1, 1953 EF3 22 km 5.1 mi 0
Apr 28, 1953 EF3 38 km 4.9 mi 1
Mar 21, 2022 EF2 99 km 12.0 mi 0
Mar 21, 2022 EF2 36 km 7.9 mi 0
Feb 19, 2017 EF2 36 km 4.6 mi 0
Oct 30, 2015 EF2 17 km 8.3 mi 0
Oct 30, 2015 EF2 50 km 5.3 mi 0
Mar 19, 2012 EF2 70 km 5.0 mi 0
Mar 19, 2012 EF2 91 km 3.5 mi 0
Jul 21, 2007 EF2 22 km 2.0 mi 0
Mar 19, 2002 EF2 63 km 1.5 mi 0
Feb 19, 1991 EF2 60 km 0.2 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

10 wildfires (100+ acres) recorded within 100 km. Largest: DELHI (4,735 acres, 2011).

Year Name Acres Burned Distance
2011 DELHI 4,735 74 km
2011 SPICEWOOD 4,239 93 km
1984 STEWAIT 3,696 93 km
2022 TRAINING AREA 23 2,696 42 km
2002 UNNAMED 2,234 97 km
2022 BUDDY 1,521 93 km
2022 SMOKE RIDER 1,233 68 km
2008 SANDY 2-148 1,144 96 km
2022 DAS GOAT 1,135 76 km
2006 PURGATORY 1,004 35 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 49°F (10°C) 1.9 in Coldest
February 55°F (13°C) 2.1 in
March 62°F (17°C) 1.9 in Driest
April 68°F (20°C) 2.7 in
May 75°F (24°C) 4.7 in Wettest
June 81°F (27°C) 4.1 in
July 83°F (28°C) 1.9 in
August 84°F (29°C) 2.4 in Warmest
September 79°F (26°C) 3.6 in
October 70°F (21°C) 3.6 in
November 60°F (16°C) 2.6 in
December 53°F (11°C) 2.1 in

Marion has a seasonal temperature swing of 34°F / from 49°F in January to 84°F in August. Total annual precipitation is 33.5 inches, with May being the wettest month (4.7") and March the driest (1.9").

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