Temperature, precipitation, air quality, natural hazards, and monthly weather data.
East Columbia enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 53°F in January while summers reach 83°F in July. The area gets 314 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 50.2 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 27 feet.
Temperature
53°F Jan (12°C)83°F Jul (28°C)
Annual Average
69.5°F
29% above US avg
January Average
53°F (12°C)
July Average
83°F (28°C)
Sunny Days
314 days/yr
Geography
Elevation
27 ft (8 m)
Area
0.6 sq mi (1.6 km²)
Population Density
214/sq mi
Coordinates
29.1410°N, 95.6051°W
Timezone
America/Chicago
County
Brazoria County County
Nearest Airport
Texas Gulf Coast Regional (LJN) 9 miles away
Precipitation & Snow
Annual Rainfall50.2"
32% above US avg
Snowfall0.1"
Wettest Month (Sep)6.61"
Driest Month (Mar)2.87"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
93.6 / 100
Social Vulnerability
24.0 / 100
Community Resilience
82.0 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Relatively High
Earthquake
Very Low
Wildfire
Relatively Low
Flood
Relatively High
Hail
Relatively Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Moderate
Winter Weather
Very Low
Lightning
Relatively High
Ice Storm
Relatively High
Drought
Relatively Moderate
Cold Wave
Relatively Moderate
Landslide
Very Low
Coastal Flood
Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.1.
Feb 19, 2015
3 km N of Hallettsville, Texas
M3.1
135 km
5 km
Jan 4, 1995
1 km NW of Hallettsville, Texas
M2.7
135 km
5 km
Aug 24, 2021
3 km NNW of Hallettsville, Texas
M2.6
135 km
5 km
Apr 2, 2024
4 km SSW of Round Top, Texas
M2.5
145 km
17 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
18 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2024
Francine
Category 2
92 mph
298 km
2024
Beryl
Category 1
92 mph
42 km
2021
Nicholas
Category 1
75 mph
39 km
2020
Laura
Category 4
150 mph
234 km
2020
Delta
Category 3
115 mph
201 km
2020
Hanna
Category 1
92 mph
227 km
2017
Harvey
Category 4
132 mph
171 km
2008
Ike
Category 2
109 mph
90 km
2007
Humberto
Category 1
92 mph
98 km
2005
Rita
Category 3
121 mph
194 km
2003
Claudette
Category 1
92 mph
94 km
1999
Bret
Category 4
138 mph
299 km
1989
Jerry
Category 1
86 mph
59 km
1989
Chantal
Category 1
81 mph
127 km
1986
Bonnie
Category 1
86 mph
145 km
1985
Juan
Category 1
86 mph
253 km
1985
Danny
Category 1
92 mph
283 km
1983
Alicia
Category 3
115 mph
41 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
648 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 25 fatalities, 724 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 21, 1992
EF4
73 km
30.0 mi
0
Sep 12, 1961
EF4
83 km
1.0 mi
8
Jan 24, 2023
EF3
61 km
23.3 mi
0
Mar 30, 2002
EF3
78 km
0.7 mi
0
Feb 5, 1986
EF3
99 km
5.0 mi
2
Dec 13, 1977
EF3
78 km
25.1 mi
1
Mar 8, 1976
EF3
31 km
12.7 mi
0
Dec 24, 1975
EF3
88 km
1.0 mi
0
Oct 28, 1974
EF3
84 km
3.3 mi
1
Sep 13, 1974
EF3
51 km
3.6 mi
0
Sep 8, 1969
EF3
73 km
0.8 mi
0
Apr 11, 1969
EF3
38 km
2.0 mi
0
Sep 20, 1967
EF3
97 km
19.9 mi
0
Sep 20, 1967
EF3
77 km
1.0 mi
4
Sep 20, 1967
EF3
97 km
19.9 mi
0
Sep 20, 1967
EF3
89 km
0.1 mi
0
Aug 18, 1967
EF3
73 km
0.5 mi
0
Apr 18, 1966
EF3
17 km
2.0 mi
0
Mar 28, 1966
EF3
78 km
9.3 mi
0
Apr 19, 1965
EF3
51 km
0.2 mi
1
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: TXTMR FY17 RX WHARTON (5,175 acres, 2017).
Year
Name
Acres Burned
Distance
2017
TXTMR FY17 RX WHARTON
5,175
40 km
2010
WHARTON
5,084
41 km
2008
COW TRAP 2008
4,335
35 km
2017
2018 NORTH SARGENT WF
3,959
37 km
2009
CHOCOLATE BAYOU UNIT
3,790
39 km
2020
CHOCOLATE BAYOU
3,623
39 km
1997
MOUND
3,402
38 km
2009
ROAD PASTURE 2009
3,197
27 km
1992
SMITH MARSH
3,057
36 km
2006
CATTAILS
3,046
32 km
2023
TXBRR-FY23-RX-W
2,511
34 km
2017
TXTMR FY17 RX BLUESTEM
2,462
33 km
2019
TXTMR-FY19-RX-ALLIGATOR MARSH
2,435
34 km
2020
BLUESTEM 1
2,417
33 km
2022
HOT BLUE STEM
2,398
33 km
2024
BLUE STEM 24
2,328
33 km
2001
WHARTON HO
2,263
40 km
2016
2016 CRAWFISH BURN
2,105
32 km
2013
UNNAMED
2,070
33 km
2020
SMITH MARSH
1,992
36 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
53°F (12°C)
3.9 in
Coldest
February
56°F (13°C)
3.2 in
March
62°F (17°C)
2.9 in
Driest
April
68°F (20°C)
2.9 in
May
75°F (24°C)
4.9 in
June
81°F (27°C)
5.9 in
July
83°F (28°C)
4.8 in
Warmest
August
83°F (28°C)
4.7 in
September
79°F (26°C)
6.6 in
Wettest
October
71°F (22°C)
4.2 in
November
62°F (17°C)
4.5 in
December
56°F (13°C)
3.7 in
East Columbia has a seasonal temperature swing of 30°F / from 53°F in January to 83°F in July. Total annual precipitation is 52.1 inches, with September being the wettest month (6.6") and March the driest (2.9").