Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sam Rayburn enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 51°F in January while summers reach 84°F in July. The area gets 313 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 60.0 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 238 feet.
Temperature
51°F Jan (10°C)84°F Jul (29°C)
Annual Average
68.6°F
27% above US avg
January Average
51°F (10°C)
July Average
84°F (29°C)
Sunny Days
313 days/yr
Geography
Elevation
238 ft (73 m)
Area
8.4 sq mi (21.7 km²)
Population Density
139/sq mi
Coordinates
31.0773°N, 94.0255°W
Timezone
America/Chicago
County
San Augustine County County
Nearest Airport
Beauregard Regional (DRI) 47 miles away
Precipitation & Snow
Annual Rainfall60.0"
58% above US avg
Snowfall0.0"
Wettest Month (May)5.35"
Driest Month (Aug)3.19"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
17.6 / 100
Social Vulnerability
95.9 / 100
Community Resilience
9.1 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Relatively Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Very Low
Hail
Very Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Very Low
Lightning
Relatively Low
Ice Storm
Relatively Low
Drought
No Rating
Cold Wave
Relatively Low
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
26 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.8.
May 17, 2012
3 km NE of Timpson, Texas
M4.8
100 km
5 km
Sep 2, 2013
3 km WNW of Timpson, Texas
M4.3
100 km
5 km
Sep 2, 2013
14 km WNW of Timpson, Texas
M4.2
110 km
5 km
Jan 25, 2013
11 km SE of Timpson, Texas
M4.1
89 km
5 km
May 10, 2012
9 km NW of Timpson, Texas
M3.9
107 km
7 km
Jan 27, 2024
4 km SSW of Hall Summit, Louisiana
M3.6
136 km
9 km
Mar 29, 2025
13 km NNE of Wells, Texas
M3.5
98 km
7 km
Jan 20, 2019
7 km SSW of San Augustine, Texas
M3.3
45 km
5 km
Aug 22, 2025
5 km WSW of Huxley, Texas
M3.2
75 km
9 km
Apr 2, 2024
5 km WSW of Chireno, Texas
M3.0
57 km
8 km
Aug 21, 2025
8 km W of Huxley, Texas
M3.0
76 km
7 km
May 31, 2013
7 km SE of Timpson, Texas
M2.9
92 km
5 km
Jan 9, 2024
1 km S of Edgefield, Louisiana
M2.8
125 km
5 km
Jan 11, 2024
6 km SSW of Hall Summit, Louisiana
M2.8
134 km
5 km
Dec 7, 2012
3 km S of Timpson, Texas
M2.8
95 km
5 km
Jan 29, 2013
4 km S of Timpson, Texas
M2.8
94 km
5 km
Jan 31, 2013
7 km WNW of Timpson, Texas
M2.8
105 km
5 km
Jan 19, 2024
5 km NNE of Edgefield, Louisiana
M2.7
132 km
5 km
Jan 19, 2024
7 km SW of Hall Summit, Louisiana
M2.7
132 km
5 km
May 20, 2012
5 km W of Timpson, Texas
M2.7
101 km
5 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
274 km
2020
Laura
Category 4
150 mph
70 km
2020
Delta
Category 2
104 mph
153 km
2019
Barry
Category 1
75 mph
240 km
2008
Gustav
Category 2
98 mph
221 km
2008
Ike
Category 2
109 mph
122 km
2007
Humberto
Category 1
92 mph
96 km
2005
Rita
Category 3
121 mph
65 km
2002
Lili
Category 2
92 mph
204 km
1992
Andrew
Category 4
138 mph
231 km
1989
Chantal
Category 1
81 mph
168 km
1989
Jerry
Category 1
86 mph
229 km
1986
Bonnie
Category 1
86 mph
134 km
1985
Danny
Category 1
92 mph
175 km
1985
Juan
Category 1
86 mph
221 km
1983
Alicia
Category 3
115 mph
209 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
464 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 53 fatalities, 548 injuries.
Date
Rating
Distance
Path
Fatalities
Dec 3, 1953
EF4
93 km
85.5 mi
9
Feb 12, 1950
EF4
99 km
82.6 mi
18
Dec 16, 2019
EF3
77 km
62.6 mi
1
Dec 23, 2009
EF3
71 km
4.1 mi
0
Mar 30, 2002
EF3
71 km
49.0 mi
0
Apr 3, 1999
EF3
97 km
5.4 mi
0
Mar 2, 1999
EF3
23 km
12.0 mi
1
Feb 19, 1991
EF3
52 km
5.0 mi
0
Jan 19, 1990
EF3
89 km
13.0 mi
0
Nov 15, 1987
EF3
89 km
48.0 mi
1
May 19, 1983
EF3
75 km
3.0 mi
0
May 13, 1982
EF3
64 km
8.5 mi
1
Oct 27, 1980
EF3
97 km
5.6 mi
0
Mar 20, 1974
EF3
30 km
44.7 mi
0
Mar 20, 1974
EF3
50 km
85.2 mi
1
Mar 20, 1974
EF3
81 km
0.1 mi
0
Jan 19, 1974
EF3
34 km
0.8 mi
0
Feb 11, 1965
EF3
87 km
42.7 mi
0
Mar 27, 1961
EF3
89 km
13.8 mi
2
Nov 16, 1957
EF3
81 km
1.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: TIGER ISLAND (30,959 acres, 2023).
Year
Name
Acres Burned
Distance
2023
TIGER ISLAND
30,959
66 km
2011
EAST TEXAS COMPLEX
19,100
88 km
2000
UNNAMED
15,017
43 km
2010
RXCOMP89-90-93-115
10,602
25 km
1994
AIRPORT
8,458
39 km
2010
RX10COMP 63-64-65
7,353
27 km
2011
PIPELINE
7,167
69 km
2010
C 32 WFHF
6,451
83 km
2017
UNNAMED
6,146
20 km
2017
UNNAMED
5,827
30 km
2020
UNNAMED
5,104
93 km
2021
UNNAMED
5,057
70 km
2013
UNNAMED
5,044
86 km
2022
GOOBER HILL SOUTH
4,845
67 km
2021
UNNAMED
4,767
14 km
2013
UNNAMED
4,754
19 km
2022
ANF NORWOOD BLOCK B-C
4,753
44 km
1989
BIG CREEK
4,723
32 km
2022
THE 60S
4,538
91 km
2024
ANF WHITE CITY COMP 35/36/37 RX
4,508
22 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
51°F (10°C)
4.4 in
February
51°F (11°C)
4.2 in
March
59°F (15°C)
4.2 in
April
65°F (18°C)
3.7 in
May
73°F (23°C)
5.4 in
Wettest
June
79°F (26°C)
5.0 in
July
84°F (29°C)
3.7 in
Warmest
August
82°F (28°C)
3.2 in
Driest
September
77°F (25°C)
4.1 in
October
67°F (19°C)
3.5 in
November
58°F (14°C)
4.5 in
December
50°F (10°C)
5.3 in
Coldest
Sam Rayburn has a seasonal temperature swing of 34°F / from 50°F in December to 84°F in July. Total annual precipitation is 50.9 inches, with May being the wettest month (5.4") and August the driest (3.2").