Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Spring Valley Village has a warm climate with an average annual temperature of 71°F (22°C). Winters average 55°F in January while summers reach 85°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. Annual precipitation totals 49.7 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 70 feet.
Temperature
55°F Jan (13°C)85°F Jul (30°C)
Annual Average
71.1°F
32% above US avg
January Average
55°F (13°C)
July Average
85°F (30°C)
Sunny Days
330 days/yr
Geography
Elevation
70 ft (21 m)
Area
1.2 sq mi (3.2 km²)
Population Density
3,464/sq mi
Coordinates
29.7898°N, 95.5040°W
Timezone
America/Chicago
County
Harris County County
Nearest Airport
Sugar Land Regional (SGR) 15 miles away
Precipitation & Snow
Annual Rainfall49.7"
31% above US avg
Wettest Month (Sep)5.12"
Driest Month (Mar)2.56"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very High
Risk Score
99.9 / 100
Social Vulnerability
67.9 / 100
Community Resilience
17.9 / 100
Hazard Breakdown
Tornado
Very High
Hurricane
Very High
Earthquake
Relatively Moderate
Wildfire
Relatively Low
Flood
Very High
Hail
Relatively Moderate
Strong Wind
Very High
Heat Wave
Very High
Winter Weather
Relatively High
Lightning
Very High
Ice Storm
Very High
Drought
Relatively Moderate
Cold Wave
Very High
Landslide
Relatively Moderate
Coastal Flood
Relatively High
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
143 km
5 km
Jan 4, 1995
1 km NW of Hallettsville, Texas
M2.7
145 km
5 km
Aug 24, 2021
3 km NNW of Hallettsville, Texas
M2.6
144 km
5 km
Apr 2, 2024
4 km SSW of Round Top, Texas
M2.5
119 km
17 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 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
73 km
2021
Nicholas
Category 1
75 mph
112 km
2020
Laura
Category 4
150 mph
213 km
2020
Delta
Category 3
115 mph
211 km
2020
Hanna
Category 1
81 mph
299 km
2017
Harvey
Category 4
132 mph
212 km
2008
Ike
Category 2
109 mph
59 km
2007
Humberto
Category 1
92 mph
109 km
2005
Rita
Category 3
121 mph
156 km
2003
Claudette
Category 1
92 mph
166 km
1989
Chantal
Category 1
81 mph
109 km
1989
Jerry
Category 1
86 mph
82 km
1986
Bonnie
Category 1
86 mph
117 km
1985
Danny
Category 1
92 mph
271 km
1985
Juan
Category 1
86 mph
248 km
1983
Alicia
Category 3
115 mph
10 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
824 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 33 fatalities, 794 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 21, 1992
EF4
23 km
30.0 mi
0
Sep 12, 1961
EF4
87 km
1.0 mi
8
Dec 28, 2024
EF3
43 km
10.3 mi
0
Dec 28, 2024
EF3
79 km
67.9 mi
0
Jan 24, 2023
EF3
33 km
23.3 mi
0
Mar 30, 2002
EF3
50 km
0.7 mi
0
Nov 21, 1992
EF3
48 km
32.0 mi
0
Feb 5, 1986
EF3
27 km
5.0 mi
2
Dec 13, 1977
EF3
22 km
25.1 mi
1
Mar 8, 1976
EF3
47 km
12.7 mi
0
Oct 28, 1974
EF3
48 km
3.3 mi
1
Sep 13, 1974
EF3
33 km
3.6 mi
0
Sep 8, 1969
EF3
29 km
0.8 mi
0
May 27, 1969
EF3
78 km
1.5 mi
3
Dec 12, 1968
EF3
59 km
6.2 mi
0
Sep 20, 1967
EF3
70 km
19.9 mi
0
Sep 20, 1967
EF3
70 km
19.9 mi
0
Aug 18, 1967
EF3
70 km
0.5 mi
0
Apr 18, 1966
EF3
80 km
2.0 mi
0
Mar 28, 1966
EF3
88 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
59 km
2019
UNNAMED
6,349
84 km
2012
WF FROZEN POINT
5,738
99 km
2010
RX BURN COMPARTMENT 86-87
5,501
93 km
2017
TXTMR FY17 RX WHARTON
5,175
76 km
2011
DYER MILL
5,170
69 km
2010
WHARTON
5,084
76 km
2013
UNNAMED
5,033
83 km
2020
C-38/39/40
4,708
78 km
2005
YELLOW RAIL PRAIRIE
4,358
97 km
2013
UNNAMED
4,218
88 km
2017
UNNAMED
4,195
85 km
2022
UNNAMED
4,072
94 km
2016
UNNAMED
4,014
77 km
2020
BIGWOODS C81/86
3,979
94 km
2022
UNNAMED
3,972
78 km
2010
RX BURN C 36 39
3,832
78 km
2022
UNNAMED
3,796
98 km
2009
CHOCOLATE BAYOU UNIT
3,790
73 km
1987
FRED
3,635
99 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
55°F (13°C)
3.4 in
Coldest
February
55°F (13°C)
3.0 in
March
62°F (17°C)
2.6 in
Driest
April
69°F (20°C)
3.0 in
May
76°F (24°C)
4.8 in
June
81°F (27°C)
4.8 in
July
85°F (30°C)
3.7 in
Warmest
August
84°F (29°C)
3.8 in
September
80°F (27°C)
5.1 in
Wettest
October
71°F (22°C)
3.8 in
November
62°F (17°C)
3.9 in
December
55°F (13°C)
3.4 in
Spring Valley Village has a seasonal temperature swing of 31°F / from 55°F in January to 85°F in July. Total annual precipitation is 45.3 inches, with September being the wettest month (5.1") and March the driest (2.6").