Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Riverside enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 49°F in January while summers reach 82°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 51.3 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 193 feet.
Temperature
49°F Jan (9°C)82°F Jul (28°C)
Annual Average
66.5°F
23% above US avg
January Average
49°F (9°C)
July Average
82°F (28°C)
Sunny Days
306 days/yr
Geography
Elevation
193 ft (59 m)
Area
2.0 sq mi (5.2 km²)
Population Density
455/sq mi
Coordinates
30.8483°N, 95.3989°W
Timezone
America/Chicago
County
Walker County County
Nearest Airport
Conroe/North Houston Regional (CXO) 34 miles away
Precipitation & Snow
Annual Rainfall51.3"
35% above US avg
Snowfall0.0"
Wettest Month (May)4.88"
Driest Month (Aug)2.83"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
73.8 / 100
Social Vulnerability
71.0 / 100
Community Resilience
22.5 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Relatively Moderate
Earthquake
Very Low
Wildfire
Relatively Low
Flood
Relatively Low
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Relatively Low
Winter Weather
Relatively Low
Lightning
Relatively High
Ice Storm
Relatively Moderate
Drought
Relatively Moderate
Cold Wave
Relatively Moderate
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.3.
Sep 2, 2013
3 km WNW of Timpson, Texas
M4.3
150 km
5 km
Sep 2, 2013
14 km WNW of Timpson, Texas
M4.2
149 km
5 km
Mar 29, 2025
13 km NNE of Wells, Texas
M3.5
97 km
7 km
Jan 20, 2019
7 km SSW of San Augustine, Texas
M3.3
139 km
5 km
Apr 2, 2024
5 km WSW of Chireno, Texas
M3.0
117 km
8 km
Dec 7, 2012
3 km S of Timpson, Texas
M2.8
148 km
5 km
Jan 29, 2013
4 km S of Timpson, Texas
M2.8
148 km
5 km
May 20, 2012
5 km W of Timpson, Texas
M2.7
148 km
5 km
Jul 27, 2019
6 km SSW of Timpson, Texas
M2.6
145 km
5 km
May 4, 2024
5 km WSW of Chireno, Texas
M2.6
118 km
6 km
May 26, 2012
2 km S of Timpson, Texas
M2.5
149 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 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
182 km
2021
Nicholas
Category 1
75 mph
230 km
2020
Laura
Category 4
150 mph
195 km
2020
Delta
Category 2
104 mph
250 km
2008
Ike
Category 2
109 mph
19 km
2007
Humberto
Category 1
92 mph
171 km
2005
Rita
Category 3
121 mph
130 km
2003
Claudette
Category 1
92 mph
284 km
1989
Chantal
Category 1
81 mph
169 km
1989
Jerry
Category 1
86 mph
187 km
1986
Bonnie
Category 1
86 mph
149 km
1985
Danny
Category 1
92 mph
275 km
1985
Juan
Category 1
86 mph
288 km
1983
Alicia
Category 3
115 mph
128 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
409 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 24 fatalities, 334 injuries.
Date
Rating
Distance
Path
Fatalities
Dec 28, 2024
EF3
78 km
10.3 mi
0
Apr 22, 2020
EF3
21 km
28.5 mi
3
Apr 13, 2019
EF3
66 km
41.1 mi
2
Dec 25, 2012
EF3
36 km
9.7 mi
0
Dec 23, 2009
EF3
83 km
4.1 mi
0
Mar 30, 2002
EF3
66 km
49.0 mi
0
Nov 21, 1992
EF3
97 km
32.0 mi
0
Jan 19, 1990
EF3
60 km
13.0 mi
0
Nov 15, 1987
EF3
88 km
10.5 mi
1
Feb 5, 1986
EF3
92 km
5.0 mi
2
Oct 31, 1974
EF3
88 km
2.0 mi
0
Mar 20, 1974
EF3
78 km
0.1 mi
0
Dec 12, 1968
EF3
59 km
6.2 mi
0
Sep 22, 1965
EF3
77 km
0.8 mi
0
Oct 22, 1957
EF3
78 km
4.3 mi
0
Oct 14, 1957
EF3
99 km
1.0 mi
0
Apr 5, 1956
EF3
95 km
5.2 mi
0
May 16, 1953
EF3
46 km
5.2 mi
1
Mar 21, 2022
EF2
97 km
37.1 mi
0
Mar 21, 2022
EF2
41 km
19.1 mi
1
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
49 km
2011
RILEY ROAD
18,999
80 km
2021
UNNAMED
7,272
51 km
2010
C 32 WFHF
6,451
60 km
2019
UNNAMED
6,349
51 km
2010
RX BURN COMPARTMENT 86-87
5,501
30 km
2017
UNNAMED
5,187
50 km
2011
DYER MILL
5,170
78 km
2013
UNNAMED
5,033
39 km
2011
841 ARBOR
4,966
49 km
2019
UNNAMED
4,767
49 km
2020
C-38/39/40
4,708
46 km
2020
C-16/17/18/19
4,633
79 km
2011
S839 CONCORD ROBBINS
4,388
83 km
2016
UNNAMED
4,363
74 km
2013
UNNAMED
4,218
44 km
2021
UNNAMED
4,215
50 km
2017
UNNAMED
4,195
38 km
2010
COMPARTMENT 6 RX
4,123
69 km
2022
UNNAMED
4,072
29 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
49°F (9°C)
3.5 in
Coldest
February
52°F (11°C)
3.1 in
March
60°F (15°C)
3.2 in
April
67°F (19°C)
3.5 in
May
74°F (23°C)
4.9 in
Wettest
June
80°F (27°C)
4.2 in
July
82°F (28°C)
2.9 in
August
83°F (28°C)
2.8 in
Warmest, Driest
September
78°F (26°C)
4.4 in
October
68°F (20°C)
3.5 in
November
58°F (15°C)
3.9 in
December
51°F (10°C)
3.7 in
Riverside has a seasonal temperature swing of 35°F / from 49°F in January to 83°F in August. Total annual precipitation is 43.6 inches, with May being the wettest month (4.9") and August the driest (2.8").