Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rosenberg has a warm climate with an average annual temperature of 71°F (21°C). Winters average 54°F in January while summers reach 85°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 51.1 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 98 feet.
Temperature
54°F Jan (12°C)85°F Jul (30°C)
Annual Average
70.6°F
31% above US avg
January Average
54°F (12°C)
July Average
85°F (30°C)
Sunny Days
314 days/yr
Geography
Elevation
98 ft (30 m)
Area
22.5 sq mi (58.4 km²)
Population Density
1,049/sq mi
Coordinates
29.5499°N, 95.8214°W
Timezone
America/Chicago
County
Fort Bend County County
Nearest Airport
Sugar Land Regional (SGR) 11 miles away
Precipitation & Snow
Annual Rainfall51.1"
35% above US avg
Snowfall0.0"
Wettest Month (Sep)5.16"
Driest Month (Mar)2.40"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
97.5 / 100
Social Vulnerability
17.0 / 100
Community Resilience
70.1 / 100
Hazard Breakdown
Tornado
Very High
Hurricane
Relatively High
Earthquake
Relatively Low
Wildfire
Relatively Low
Flood
Relatively High
Hail
Relatively Moderate
Strong Wind
Relatively High
Heat Wave
Relatively High
Winter Weather
Relatively Low
Lightning
Very High
Ice Storm
Relatively High
Drought
Relatively Moderate
Cold Wave
Relatively High
Landslide
Very Low
Coastal Flood
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
6 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
109 km
5 km
Mar 4, 2019
11 km SE of Cuero, Texas
M3.0
147 km
5 km
Oct 20, 2017
5 km W of Flatonia, Texas
M2.9
131 km
3 km
Jan 4, 1995
1 km NW of Hallettsville, Texas
M2.7
110 km
5 km
Aug 24, 2021
3 km NNW of Hallettsville, Texas
M2.6
109 km
5 km
Apr 2, 2024
4 km SSW of Round Top, Texas
M2.5
100 km
17 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
15 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
33 km
2021
Nicholas
Category 1
75 mph
84 km
2020
Laura
Category 4
150 mph
245 km
2020
Delta
Category 3
115 mph
236 km
2020
Hanna
Category 1
92 mph
273 km
2017
Harvey
Category 4
132 mph
172 km
2008
Ike
Category 2
109 mph
91 km
2007
Humberto
Category 1
92 mph
125 km
2005
Rita
Category 3
121 mph
197 km
2003
Claudette
Category 1
92 mph
142 km
1989
Chantal
Category 1
81 mph
138 km
1989
Jerry
Category 1
86 mph
89 km
1986
Bonnie
Category 1
86 mph
152 km
1985
Juan
Category 1
86 mph
275 km
1983
Alicia
Category 3
115 mph
35 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
790 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 22 fatalities, 593 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 21, 1992
EF4
56 km
30.0 mi
0
Dec 28, 2024
EF3
82 km
10.3 mi
0
Jan 24, 2023
EF3
56 km
23.3 mi
0
Mar 30, 2002
EF3
78 km
0.7 mi
0
Nov 21, 1992
EF3
89 km
32.0 mi
0
Feb 5, 1986
EF3
60 km
5.0 mi
2
Dec 13, 1977
EF3
58 km
25.1 mi
1
Mar 8, 1976
EF3
43 km
12.7 mi
0
Dec 24, 1975
EF3
88 km
1.0 mi
0
Oct 28, 1974
EF3
79 km
3.3 mi
1
Sep 13, 1974
EF3
8 km
3.6 mi
0
Sep 8, 1969
EF3
61 km
0.8 mi
0
Apr 11, 1969
EF3
85 km
2.0 mi
0
Dec 12, 1968
EF3
94 km
6.2 mi
0
Sep 20, 1967
EF3
50 km
19.9 mi
0
Sep 20, 1967
EF3
50 km
19.9 mi
0
Sep 20, 1967
EF3
86 km
0.1 mi
0
Aug 18, 1967
EF3
88 km
0.5 mi
0
Apr 18, 1966
EF3
64 km
2.0 mi
0
Mar 28, 1966
EF3
51 km
9.3 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: RILEY ROAD (18,999 acres, 2011).
Year
Name
Acres Burned
Distance
2011
RILEY ROAD
18,999
76 km
2017
TXTMR FY17 RX WHARTON
5,175
75 km
2011
DYER MILL
5,170
84 km
2010
WHARTON
5,084
75 km
2008
COW TRAP 2008
4,335
84 km
2017
2018 NORTH SARGENT WF
3,959
84 km
2009
CHOCOLATE BAYOU UNIT
3,790
72 km
2020
CHOCOLATE BAYOU
3,623
72 km
1997
MOUND
3,402
75 km
2009
ROAD PASTURE 2009
3,197
76 km
2011
BAILEY
3,136
67 km
1992
SMITH MARSH
3,057
85 km
2006
CATTAILS
3,046
81 km
2023
TXBRR-FY23-RX-W
2,511
74 km
2017
TXTMR FY17 RX BLUESTEM
2,462
72 km
2019
TXTMR-FY19-RX-ALLIGATOR MARSH
2,435
74 km
2020
BLUESTEM 1
2,417
72 km
2022
HOT BLUE STEM
2,398
72 km
2024
BLUE STEM 24
2,328
72 km
2001
WHARTON HO
2,263
75 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
54°F (12°C)
3.2 in
Coldest
February
54°F (12°C)
2.8 in
March
62°F (16°C)
2.4 in
Driest
April
68°F (20°C)
2.8 in
May
75°F (24°C)
4.6 in
June
81°F (27°C)
4.6 in
July
85°F (30°C)
3.7 in
Warmest
August
83°F (29°C)
3.9 in
September
80°F (27°C)
5.2 in
Wettest
October
71°F (22°C)
3.7 in
November
62°F (17°C)
3.9 in
December
55°F (13°C)
3.2 in
Rosenberg has a seasonal temperature swing of 32°F / from 54°F in January to 85°F in July. Total annual precipitation is 44.0 inches, with September being the wettest month (5.2") and March the driest (2.4").