Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shenandoah enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 52°F in January while summers reach 85°F in July. The area gets 306 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 51.0 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 174 feet.
Temperature
52°F Jan (11°C)85°F Jul (29°C)
Annual Average
69.7°F
29% above US avg
January Average
52°F (11°C)
July Average
85°F (29°C)
Sunny Days
306 days/yr
Geography
Elevation
174 ft (53 m)
Area
1.9 sq mi (4.8 km²)
Population Density
1,845/sq mi
Coordinates
30.1840°N, 95.4557°W
Timezone
America/Chicago
County
Montgomery County County
Nearest Airport
Conroe/North Houston Regional (CXO) 12 miles away
Precipitation & Snow
Annual Rainfall51.0"
34% above US avg
Wettest Month (May)5.24"
Driest Month (Mar)2.95"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
95.7 / 100
Social Vulnerability
23.6 / 100
Community Resilience
33.0 / 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 Moderate
Winter Weather
Relatively High
Lightning
Very High
Ice Storm
Very High
Drought
Relatively Moderate
Cold Wave
Relatively High
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990.
Strongest on record: M2.5.
Apr 2, 2024
4 km SSW of Round Top, Texas
M2.5
122 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
112 km
2021
Nicholas
Category 1
75 mph
156 km
2020
Laura
Category 4
150 mph
200 km
2020
Delta
Category 3
115 mph
222 km
2017
Harvey
Category 4
132 mph
243 km
2008
Ike
Category 2
109 mph
28 km
2007
Humberto
Category 1
92 mph
127 km
2005
Rita
Category 3
121 mph
135 km
2003
Claudette
Category 1
92 mph
210 km
1989
Chantal
Category 1
81 mph
121 km
1989
Jerry
Category 1
86 mph
118 km
1986
Bonnie
Category 1
86 mph
116 km
1985
Danny
Category 1
92 mph
266 km
1985
Juan
Category 1
86 mph
257 km
1983
Alicia
Category 3
115 mph
54 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
712 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 28 fatalities, 624 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 21, 1992
EF4
53 km
30.0 mi
0
Dec 28, 2024
EF3
13 km
10.3 mi
0
Dec 28, 2024
EF3
94 km
67.9 mi
0
Jan 24, 2023
EF3
68 km
23.3 mi
0
Apr 22, 2020
EF3
78 km
28.5 mi
3
Mar 30, 2002
EF3
76 km
0.7 mi
0
Jan 1, 1999
EF3
99 km
5.5 mi
0
Nov 21, 1992
EF3
41 km
32.0 mi
0
Feb 5, 1986
EF3
19 km
5.0 mi
2
Dec 13, 1977
EF3
48 km
25.1 mi
1
Mar 8, 1976
EF3
91 km
12.7 mi
0
Oct 28, 1974
EF3
68 km
3.3 mi
1
Sep 13, 1974
EF3
73 km
3.6 mi
0
Sep 8, 1969
EF3
58 km
0.8 mi
0
May 27, 1969
EF3
86 km
1.5 mi
3
Dec 12, 1968
EF3
15 km
6.2 mi
0
Sep 20, 1967
EF3
85 km
19.9 mi
0
Sep 20, 1967
EF3
85 km
19.9 mi
0
Aug 18, 1967
EF3
99 km
0.5 mi
0
Sep 22, 1965
EF3
27 km
0.8 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
36 km
2019
UNNAMED
6,349
47 km
2010
RX BURN COMPARTMENT 86-87
5,501
50 km
2011
DYER MILL
5,170
46 km
2013
UNNAMED
5,033
41 km
2020
C-38/39/40
4,708
37 km
2013
UNNAMED
4,218
49 km
2017
UNNAMED
4,195
42 km
2022
UNNAMED
4,072
51 km
2016
UNNAMED
4,014
36 km
2020
BIGWOODS C81/86
3,979
51 km
2022
UNNAMED
3,972
37 km
2010
RX BURN C 36 39
3,832
37 km
2022
UNNAMED
3,796
54 km
2013
UNNAMED
3,489
48 km
2010
RX BURN COMPARTMENTS 111-112
3,238
46 km
2021
BIGWOODS C-80/85
3,135
49 km
2010
RX BURN C-61 WMA
3,103
39 km
2010
RX BURN COMPARTMENT 22-23-24
3,012
49 km
2011
CRAB PRAIRIE
2,933
71 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
52°F (11°C)
3.6 in
Coldest
February
54°F (12°C)
3.2 in
March
61°F (16°C)
3.0 in
Driest
April
67°F (20°C)
3.5 in
May
74°F (24°C)
5.2 in
Wettest
June
80°F (27°C)
4.7 in
July
85°F (29°C)
3.5 in
Warmest
August
83°F (28°C)
3.5 in
September
78°F (26°C)
4.9 in
October
69°F (21°C)
3.8 in
November
60°F (15°C)
4.1 in
December
53°F (11°C)
3.9 in
Shenandoah has a seasonal temperature swing of 32°F / from 52°F in January to 85°F in July. Total annual precipitation is 46.9 inches, with May being the wettest month (5.2") and March the driest (3.0").