Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rowlett enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 46°F in January while summers reach 85°F in July. The area gets 308 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 41.9 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 469 feet.
Temperature
46°F Jan (8°C)85°F Jul (29°C)
Annual Average
65.8°F
22% above US avg
January Average
46°F (8°C)
July Average
85°F (29°C)
Sunny Days
308 days/yr
Geography
Elevation
469 ft (143 m)
Area
20.0 sq mi (51.7 km²)
Population Density
3,091/sq mi
Coordinates
32.9159°N, 96.5486°W
Timezone
America/Chicago
County
Rockwall County County
Nearest Airport
Dallas Love Field (DAL) 18 miles away
Precipitation & Snow
Annual Rainfall41.9"
10% above US avg
Wettest Month (May)5.43"
Driest Month (Jan)2.01"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
70.7 / 100
Social Vulnerability
10.6 / 100
Community Resilience
86.3 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Relatively Low
Flood
Relatively Low
Hail
Relatively Moderate
Strong Wind
Relatively Moderate
Heat Wave
Relatively Moderate
Winter Weather
Relatively Low
Lightning
Relatively Low
Ice Storm
Relatively Low
Drought
Relatively Low
Cold Wave
Relatively Moderate
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
115 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.0.
May 7, 2015
5 km N of Venus, Texas
M4.0
71 km
3 km
Dec 9, 2013
8 km S of Perrin, Texas
M3.7
141 km
5 km
Nov 28, 2013
6 km SSW of Perrin, Texas
M3.7
144 km
5 km
Jan 7, 2015
6 km NE of Irving, Texas
M3.6
33 km
5 km
Nov 20, 2013
1 km NNW of Azle, Texas
M3.6
94 km
5 km
Dec 8, 2013
0 km NNE of Sanctuary, Texas
M3.6
96 km
5 km
Apr 28, 2013
4 km NNW of Oakland, Oklahoma
M3.5
138 km
5 km
Jun 24, 2012
3 km SSE of Briaroaks, Texas
M3.5
85 km
5 km
Mar 4, 2013
5 km S of Tishomingo, Oklahoma
M3.5
142 km
5 km
Jan 6, 2015
4 km ENE of Irving, Texas
M3.5
34 km
6 km
Nov 25, 2013
3 km WNW of Sanctuary, Texas
M3.4
100 km
5 km
Sep 30, 2012
4 km NW of Irving, Texas
M3.4
41 km
5 km
May 31, 1997
3 km ESE of Neylandville, Texas
M3.4
62 km
5 km
May 19, 2018
8 km NW of Venus, Texas
M3.4
75 km
5 km
Sep 23, 2013
4 km WNW of Marietta, Oklahoma
M3.4
128 km
5 km
Jun 15, 2012
5 km SSE of Briaroaks, Texas
M3.3
85 km
5 km
May 18, 2015
5 km N of Irving, Texas
M3.3
39 km
5 km
May 16, 2009
5 km NNW of Grand Prairie, Texas
M3.3
46 km
9 km
Sep 25, 2010
5 km ENE of Madill, Oklahoma
M3.3
134 km
5 km
Apr 2, 2015
5 km NNE of Irving, Texas
M3.3
37 km
8 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 1.
Year
Name
Category
Max Wind
Closest
2008
Ike
Category 2
98 mph
243 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
841 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 43 fatalities, 1,582 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 29, 2017
EF4
89 km
21.4 mi
2
Dec 26, 2015
EF4
14 km
13.0 mi
10
Apr 25, 1994
EF4
40 km
6.0 mi
3
May 26, 1976
EF4
99 km
18.8 mi
0
May 25, 2024
EF3
52 km
0.7 mi
0
Oct 20, 2019
EF3
35 km
15.8 mi
0
Apr 29, 2017
EF3
85 km
39.7 mi
2
Dec 26, 2015
EF3
61 km
8.5 mi
0
Apr 3, 2012
EF3
20 km
7.7 mi
0
May 9, 2006
EF3
51 km
9.3 mi
3
Apr 16, 2002
EF3
77 km
2.1 mi
0
Mar 28, 2000
EF3
77 km
4.0 mi
2
Mar 28, 2000
EF3
57 km
8.0 mi
0
Dec 13, 1984
EF3
23 km
10.0 mi
0
Apr 2, 1982
EF3
83 km
32.0 mi
1
May 3, 1979
EF3
97 km
7.2 mi
0
May 5, 1978
EF3
31 km
29.9 mi
0
May 26, 1976
EF3
28 km
4.5 mi
0
May 14, 1974
EF3
74 km
2.0 mi
0
Dec 3, 1973
EF3
82 km
3.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (2,944 acres, 2008).
Year
Name
Acres Burned
Distance
2008
UNNAMED
2,944
96 km
2018
FARMERS ROAD
2,383
100 km
2006
UNNAMED
1,634
84 km
2006
COOPER LAKE
1,224
81 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
46°F (8°C)
2.0 in
Coldest, Driest
February
49°F (10°C)
2.7 in
March
57°F (14°C)
3.4 in
April
65°F (18°C)
4.0 in
May
73°F (23°C)
5.4 in
Wettest
June
80°F (27°C)
3.7 in
July
85°F (29°C)
2.4 in
Warmest
August
84°F (29°C)
2.1 in
September
77°F (25°C)
3.9 in
October
67°F (19°C)
3.9 in
November
55°F (13°C)
2.8 in
December
47°F (8°C)
2.4 in
Rowlett has a seasonal temperature swing of 39°F / from 46°F in January to 85°F in July. Total annual precipitation is 38.6 inches, with May being the wettest month (5.4") and January the driest (2.0").