Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Conroe enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 56°F in January while summers reach 86°F in July. The area gets 295 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 53.4 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 259 feet.
Temperature
56°F Jan (13°C)86°F Jul (30°C)
Annual Average
70.3°F
30% above US avg
January Average
56°F (13°C)
July Average
86°F (30°C)
Sunny Days
295 days/yr
Geography
Elevation
259 ft (79 m)
Area
53.2 sq mi (137.7 km²)
Population Density
1,278/sq mi
Coordinates
30.3287°N, 95.4846°W
Timezone
America/Chicago
County
Montgomery County County
Nearest Airport
Conroe/North Houston Regional (CXO) 4 miles away
Precipitation & Snow
Annual Rainfall53.4"
41% above US avg
Snowfall0.0"
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
125 km
2021
Nicholas
Category 1
75 mph
171 km
2020
Laura
Category 4
150 mph
201 km
2020
Delta
Category 2
104 mph
231 km
2017
Harvey
Category 4
132 mph
252 km
2008
Ike
Category 2
109 mph
28 km
2007
Humberto
Category 1
92 mph
139 km
2005
Rita
Category 3
121 mph
134 km
2003
Claudette
Category 1
92 mph
226 km
1989
Chantal
Category 1
81 mph
132 km
1989
Jerry
Category 1
86 mph
134 km
1986
Bonnie
Category 1
86 mph
124 km
1985
Danny
Category 1
92 mph
270 km
1985
Juan
Category 1
86 mph
266 km
1983
Alicia
Category 3
115 mph
70 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
667 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 30 fatalities, 595 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 21, 1992
EF4
69 km
30.0 mi
0
Dec 28, 2024
EF3
25 km
10.3 mi
0
Jan 24, 2023
EF3
85 km
23.3 mi
0
Apr 22, 2020
EF3
64 km
28.5 mi
3
Dec 25, 2012
EF3
94 km
9.7 mi
0
Mar 30, 2002
EF3
91 km
0.7 mi
0
Nov 21, 1992
EF3
52 km
32.0 mi
0
Feb 5, 1986
EF3
34 km
5.0 mi
2
Dec 13, 1977
EF3
64 km
25.1 mi
1
Oct 28, 1974
EF3
83 km
3.3 mi
1
Sep 13, 1974
EF3
87 km
3.6 mi
0
Sep 8, 1969
EF3
74 km
0.8 mi
0
May 27, 1969
EF3
97 km
1.5 mi
3
Dec 12, 1968
EF3
5 km
6.2 mi
0
Sep 20, 1967
EF3
91 km
19.9 mi
0
Sep 20, 1967
EF3
91 km
19.9 mi
0
Sep 22, 1965
EF3
27 km
0.8 mi
0
Sep 12, 1961
EF3
75 km
0.5 mi
0
Sep 11, 1961
EF3
71 km
1.0 mi
0
Oct 22, 1957
EF3
50 km
4.3 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: EAST TEXAS COMPLEX (19,100 acres, 2011).
Year
Name
Acres Burned
Distance
2011
EAST TEXAS COMPLEX
19,100
97 km
2011
RILEY ROAD
18,999
35 km
2019
UNNAMED
6,349
33 km
2010
RX BURN COMPARTMENT 86-87
5,501
37 km
2011
DYER MILL
5,170
41 km
2013
UNNAMED
5,033
25 km
2020
C-38/39/40
4,708
22 km
2013
UNNAMED
4,218
34 km
2017
UNNAMED
4,195
26 km
2022
UNNAMED
4,072
38 km
2016
UNNAMED
4,014
21 km
2020
BIGWOODS C81/86
3,979
38 km
2022
UNNAMED
3,972
21 km
2010
RX BURN C 36 39
3,832
21 km
2022
UNNAMED
3,796
39 km
2022
UNNAMED
3,503
91 km
2013
UNNAMED
3,489
34 km
2010
RX BURN COMPARTMENTS 111-112
3,238
40 km
2017
UNNAMED
3,208
94 km
2021
BIGWOODS C-80/85
3,135
35 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
56°F (13°C)
3.6 in
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
86°F (30°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
Coldest
Conroe has a seasonal temperature swing of 34°F / from 53°F in December to 86°F in July. Total annual precipitation is 46.9 inches, with May being the wettest month (5.2") and March the driest (3.0").