Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ciudad Morelos 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 564 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
564 ft (172 m)
Area
269.0 sq mi (696.7 km²)
Population Density
8/sq mi
Coordinates
32.3439°N, 117.0106°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
5,733 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.7.
Jun 15, 2010
8km ESE of Ocotillo, CA
M5.7
111 km
9 km
Jul 7, 2010
20km NNW of Borrego Springs, CA
M5.4
129 km
12 km
Dec 3, 1991
71km E of Maneadero, B.C., MX
M5.3
130 km
6 km
Mar 23, 1994
35km E of Maneadero, B.C., MX
M5.3
102 km
5 km
Apr 4, 2010
15km SSW of Progreso, B.C., MX
M5.3
130 km
10 km
Apr 14, 2025
5 km S of Julian, CA
M5.2
86 km
14 km
Jun 12, 2005
10km ESE of Anza, CA
M5.2
139 km
13 km
Jun 10, 2016
20km NNW of Borrego Springs, CA
M5.2
132 km
12 km
Oct 31, 2001
16km ESE of Anza, CA
M5.0
138 km
14 km
Jun 15, 2004
67km SE of San Clemente Is. (SE tip), CA
M5.0
85 km
10 km
Apr 5, 2010
20km ESE of Ocotillo, CA
M5.0
118 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
122 km
8 km
Jul 26, 1997
16km N of Borrego Springs, California
M4.9
133 km
11 km
Apr 4, 2020
17km ESE of Anza, CA
M4.9
136 km
10 km
Feb 18, 1998
70km SW of Alberto Oviedo Mota, B.C., MX
M4.9
135 km
6 km
Feb 12, 2024
3 km NNW of El Centro, CA
M4.8
144 km
18 km
May 8, 2010
19km ESE of Ocotillo, CA
M4.8
120 km
6 km
Jun 20, 1997
27km SE of San Clemente Is. (SE tip), California
M4.8
110 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
-
43 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Salton Buttes (161 km).
Name
Type
Elevation
Last Eruption
Distance
Salton Buttes
Lava dome(s)
-40 m (-131 ft)
210
161 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
70 km
2007
WITCH
167,551
85 km
2007
HARRIS
90,443
40 km
2002
PINES
65,407
98 km
2003
PARADISE
55,995
96 km
2003
MINE/OTAY
37,232
34 km
1993
GUEJITO
17,141
87 km
2006
HORSE
16,659
56 km
2020
VALLEY
16,517
53 km
1996
OTAY 322
12,238
30 km
2001
VIEJAS
10,942
57 km
1995
SYCAMORE
9,626
40 km
1996
HARMONY
9,289
85 km
1995
EL MONTE
8,482
67 km
2016
BORDER 3
7,958
51 km
1985
MILLER
7,809
40 km
2013
CHARIOT
7,250
83 km
1995
BUTTERFIELD
7,165
86 km
1993
EAGLE
5,784
75 km
2021
SOUTHERN
5,525
87 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
Ciudad Morelos 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").