Weather & Climate in Pórticos de San Antonio, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pórticos de San Antonio enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 57°F in January while summers reach 70°F in July / relatively mild seasonal variation. The area gets 315 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 11.4 inches (drier than the 38-inch national average). The city sits at an elevation of 902 feet.
Temperature
57°F Jan (14°C)70°F Jul (21°C)
Annual Average
63.0°F
17% above US avg
January Average
57°F (14°C)
July Average
70°F (21°C)
Sunny Days
315 days/yr
Geography
Elevation
902 ft (275 m)
Area
268.5 sq mi (695.4 km²)
Population Density
128/sq mi
Coordinates
32.4425°N, 117.0342°W
Timezone
America/Tijuana
Precipitation & Snow
Annual Rainfall11.4"
70% below US avg
Snowfall0.0"
Wettest Month (Mar)2.32"
Driest Month (Jul)0.04"
Air Quality
Earthquake History
5,827 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.7.
Jun 15, 2010
8km ESE of Ocotillo, CA
M5.7
109 km
9 km
Jul 7, 2010
20km NNW of Borrego Springs, CA
M5.4
120 km
12 km
Dec 3, 1991
71km E of Maneadero, B.C., MX
M5.3
137 km
6 km
Mar 23, 1994
35km E of Maneadero, B.C., MX
M5.3
112 km
5 km
Apr 4, 2010
15km SSW of Progreso, B.C., MX
M5.3
132 km
10 km
Apr 14, 2025
5 km S of Julian, CA
M5.2
78 km
14 km
Jun 12, 2005
10km ESE of Anza, CA
M5.2
129 km
13 km
Jun 10, 2016
20km NNW of Borrego Springs, CA
M5.2
123 km
12 km
Oct 31, 2001
16km ESE of Anza, CA
M5.0
128 km
14 km
Jun 15, 2004
67km SE of San Clemente Is. (SE tip), CA
M5.0
83 km
10 km
Apr 5, 2010
20km ESE of Ocotillo, CA
M5.0
117 km
1 km
Apr 5, 2010
19km ESE of Ocotillo, CA
M4.9
118 km
14 km
May 22, 2010
17km WNW of Progreso, B.C., MX
M4.9
121 km
8 km
Jul 26, 1997
16km N of Borrego Springs, California
M4.9
124 km
11 km
Apr 4, 2020
17km ESE of Anza, CA
M4.9
126 km
10 km
Feb 18, 1998
70km SW of Alberto Oviedo Mota, B.C., MX
M4.9
142 km
6 km
Feb 12, 2024
3 km NNW of El Centro, CA
M4.8
143 km
18 km
May 8, 2010
19km ESE of Ocotillo, CA
M4.8
119 km
6 km
Jun 20, 1997
27km SE of San Clemente Is. (SE tip), California
M4.8
104 km
6 km
Apr 5, 2010
21km ESE of Ocotillo, CA
M4.7
118 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 1.2 m (4 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1862
S. CALIFORNIA
Eruption + Earthquake
1.2 m
-
33 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Salton Buttes (157 km).
Name
Type
Elevation
Last Eruption
Distance
Salton Buttes
Lava dome(s)
-40 m (-131 ft)
210
157 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: CEDAR (268,362 acres, 2003).
Year
Name
Acres Burned
Distance
2003
CEDAR
268,362
61 km
2007
WITCH
167,551
75 km
2007
HARRIS
90,443
34 km
2002
PINES
65,407
89 km
2003
PARADISE
55,995
85 km
2007
POOMACHA
47,496
96 km
2003
MINE/OTAY
37,232
26 km
1993
GUEJITO
17,141
76 km
2006
HORSE
16,659
50 km
2020
VALLEY
16,517
46 km
1996
OTAY 322
12,238
22 km
2012
WILSON
12,048
99 km
2001
VIEJAS
10,942
48 km
1995
SYCAMORE
9,626
34 km
2012
STEWART
9,501
92 km
1996
HARMONY
9,289
74 km
2004
MATAGUAY
9,087
93 km
1995
EL MONTE
8,482
58 km
2016
BORDER 3
7,958
47 km
1985
MILLER
7,809
30 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
57°F (14°C)
2.2 in
Coldest
February
57°F (14°C)
2.2 in
March
57°F (14°C)
2.3 in
Wettest
April
60°F (16°C)
0.8 in
May
63°F (17°C)
0.2 in
June
66°F (19°C)
0.1 in
July
70°F (21°C)
0.0 in
Driest
August
72°F (22°C)
0.1 in
Warmest
September
71°F (21°C)
0.2 in
October
66°F (19°C)
0.5 in
November
61°F (16°C)
1.2 in
December
57°F (14°C)
1.5 in
Pórticos de San Antonio has a seasonal temperature swing of 15°F / from 57°F in January to 72°F in August. Total annual precipitation is 11.4 inches, with March being the wettest month (2.3") and July the driest (0.0").