Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Delmita has a warm climate with an average annual temperature of 75°F (24°C). Winters average 60°F in January while summers reach 86°F in July. Annual precipitation totals 23.6 inches (drier than the 38-inch national average). The city sits at an elevation of 282 feet.
Temperature
60°F Jan (16°C)86°F Jul (30°C)
Annual Average
74.9°F
39% above US avg
January Average
60°F (16°C)
July Average
86°F (30°C)
Geography
Elevation
282 ft (86 m)
Area
3.1 sq mi (8.1 km²)
Population Density
67/sq mi
Coordinates
26.6852°N, 98.4231°W
Timezone
America/Chicago
County
Starr County County
Nearest Airport
Mc Allen International (MFE) 36 miles away
Precipitation & Snow
Annual Rainfall23.6"
38% below US avg
Snowfall0.2"
Wettest Month (Sep)4.67"
Driest Month (Mar)0.86"
Air Quality
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
84.8 / 100
Social Vulnerability
97.0 / 100
Community Resilience
0.4 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Relatively Low
Earthquake
Very Low
Wildfire
Relatively Low
Flood
Relatively Low
Hail
Relatively Low
Strong Wind
Very Low
Heat Wave
Relatively Moderate
Winter Weather
Relatively Low
Lightning
Very Low
Ice Storm
Relatively Moderate
Drought
Relatively Moderate
Cold Wave
Very High
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.1.
Jan 19, 2014
12 km SSW of China, Mexico
M4.1
149 km
12 km
Apr 25, 2010
10 km WNW of Driscoll, Texas
M3.9
127 km
5 km
Mar 24, 1997
4 km SSE of Alice, Texas
M3.8
120 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
13 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
283 km
2021
Nicholas
Category 1
75 mph
264 km
2020
Hanna
Category 1
92 mph
43 km
2017
Harvey
Category 4
132 mph
202 km
2010
Alex
Category 2
109 mph
281 km
2008
Dolly
Category 2
98 mph
65 km
2005
Emily
Category 3
127 mph
189 km
2003
Claudette
Category 1
92 mph
261 km
2003
Erika
Category 1
75 mph
185 km
1999
Bret
Category 4
144 mph
56 km
1988
Gilbert
Category 3
127 mph
235 km
1983
Barry
Category 1
81 mph
170 km
1980
Allen
Category 5
161 mph
32 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
126 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 68 injuries.
Date
Rating
Distance
Path
Fatalities
Mar 15, 1983
EF3
71 km
6.1 mi
0
May 12, 1969
EF3
90 km
0.1 mi
0
Jun 5, 1965
EF3
92 km
1.0 mi
0
Apr 19, 1965
EF3
9 km
1.5 mi
0
May 5, 1991
EF2
19 km
1.0 mi
0
Jun 29, 1971
EF2
100 km
0.3 mi
0
May 24, 1970
EF2
68 km
25.5 mi
0
May 23, 1970
EF2
88 km
4.5 mi
0
May 23, 1970
EF2
87 km
4.5 mi
0
Apr 26, 1967
EF2
54 km
40.2 mi
0
Jun 1, 1962
EF2
68 km
1.0 mi
0
Sep 7, 1956
EF2
88 km
0.1 mi
0
Jan 26, 1950
EF2
37 km
4.7 mi
0
Oct 30, 2015
EF1
83 km
0.7 mi
0
May 27, 2014
EF1
81 km
5.3 mi
0
Jun 30, 2011
EF1
67 km
0.4 mi
0
Jul 2, 2010
EF1
72 km
1.9 mi
0
Jul 16, 2007
EF1
57 km
1.0 mi
0
Apr 30, 2003
EF1
51 km
0.3 mi
0
May 21, 2001
EF1
52 km
0.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: BURNS RANCH FIRE (58,395 acres, 2008).
Year
Name
Acres Burned
Distance
2008
BURNS RANCH FIRE
58,395
19 km
2022
BORREGA
54,575
86 km
2011
SMAC
19,449
56 km
2022
HAYFIELD SOUTH
11,038
75 km
2021
KING
9,793
42 km
2022
VIB
7,817
45 km
2017
HOPPER
7,150
43 km
2018
TRUST
6,648
93 km
2022
BLANKET
5,823
43 km
2022
POLO
5,571
71 km
2011
GUS CANALAS
4,316
79 km
2008
ENCINO
3,979
38 km
2023
LAGUNA LARGA
3,850
82 km
2021
NORTH JONES
3,541
37 km
2023
JENNINGS
3,494
93 km
2008
UNNAMED
3,389
31 km
2021
BAFFIN
3,223
95 km
2008
DANA
3,127
80 km
2011
KING RANCH
3,075
62 km
2008
JONES RANCH
2,998
32 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
60°F (16°C)
1.0 in
Coldest
February
65°F (18°C)
1.3 in
March
70°F (21°C)
0.9 in
Driest
April
76°F (24°C)
1.4 in
May
82°F (28°C)
2.5 in
June
85°F (29°C)
3.4 in
July
86°F (30°C)
2.0 in
August
87°F (31°C)
1.9 in
Warmest
September
83°F (28°C)
4.7 in
Wettest
October
76°F (25°C)
2.5 in
November
68°F (20°C)
1.2 in
December
61°F (16°C)
1.1 in
Delmita has a seasonal temperature swing of 27°F / from 60°F in January to 87°F in August. Total annual precipitation is 23.6 inches, with September being the wettest month (4.7") and March the driest (0.9").