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Coldest sea in Mexico in July

192 coastal locations in Mexico ranked by typical July sea temperature, coldest first. Region-wide average in July: 28.1°C.

Coldest in July

San Quintin

18.7°C July mean in Mexico

Regional July average

28.1°C

across all 192 coastal locations in Mexico

Vs annual mean

+2.0°C

above the year-round regional average

What the Mexico sea feels like in July

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Mexico monthly average 23.4°C to 28.9°C
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  • Warmest month August 28.9°C
  • Coldest month February 23.4°C
  • Annual mean 26.1°C
  • Months above 20°C 12 of 12

Where July fits in the year

July sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Mexico month rankings:

Mexico sea temperature map (live)

The map shows today's latest reading at every Mexico location. The list below is based on the typical July mean.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Mexico locations in July

Sorted by typical July mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location July mean
1 San Quintin Baja California 18.7°C
2 Guadalupe Island Baja California 19.4°C
3 Ensenada Baja California 19.4°C
4 Gonzaga Bay Baja California 19.4°C
5 Playa Hermosa 19.4°C
6 Guadalupe Island Baja California 19.5°C
7 Cedros Island Baja California 19.7°C
8 Bahia Asuncion Baja California Sur 19.7°C
9 Guadalupe Baja California 19.8°C
10 Bahia Tortugas Baja California Sur 19.8°C
11 Primo Tapia Baja California 19.9°C
12 Puerto Nuevo Baja California 19.9°C
13 Estero de La Bocana Baja California Sur 19.9°C
14 Punta Abreojos Baja California Sur 20.2°C
15 Tijuana Baja California 20.5°C
16 Guerrero Negro Baja California Sur 20.8°C
17 Rosarito Baja California 20.8°C
18 Coronado Islands Baja California 21.0°C
19 Bahia Magdalena Baja California Sur 22.6°C
20 Magdalena Bay Baja California Sur 22.6°C
21 Bahia San Juanico Baja California Sur 22.7°C
22 San Juanico Baja California Sur 23.0°C
23 San Carlos Baja California Sur 23.0°C
24 Scorpion Bay Baja California Sur 23.1°C
25 Puerto San Carlos Baja California Sur 23.1°C
Show 25 more ▸
26 Cerritos Beach Baja California Sur 25.4°C
27 El Pescadero Baja California Sur 25.4°C
28 Punta Lobos Baja California Sur 25.4°C
29 Todos Santos Baja California Sur 25.4°C
30 Clarion Island Revillagigedo Islands 26.6°C
31 Cabo San Lucas Baja California Sur 26.8°C
32 Los Cabos Baja California Sur 26.8°C
33 Medano Beach Baja California Sur 26.8°C
34 Roca Partida Revillagigedo Islands 26.9°C
35 San Benedicto Revillagigedo Islands 27.1°C
36 Isla Socorro Colima 27.1°C
37 Socorro Island Revillagigedo Islands 27.2°C
38 Bahia de los Angeles Baja California 27.3°C
39 Bahia Los Angeles Baja California 27.3°C
40 San Jose Del Cabo Baja California Sur 27.4°C
41 Progreso-C, Yuc. Yucatán 27.4°C
42 Balandra Beach Baja California Sur 27.5°C
43 La Paz Baja California Sur 27.5°C
44 Merida Yucatan 27.5°C
45 Telchac,Yuk. Yucatán 27.6°C
46 Isla Espiritu Santo Baja California Sur 27.7°C
47 Sisal Yucatan 27.8°C
48 Progreso Yucatan 27.9°C
49 Chelem Yucatan 28.0°C
50 El Cuyo Yucatan 28.2°C

Warmest 10 in Mexico in July

Same data the other way. The warmest spots for the same month.

# Location July mean
1 San Felipe Baja California 30.8°C
2 Puerto Arista Chiapas 30.7°C
3 Puerto Chiapas Chiapas 30.6°C
4 Maldonado Guerrero 30.5°C
5 Tecoanapa Guerrero 30.5°C
6 Acapulco Guerrero 30.4°C
7 Acapulco-C,Gro. Guerrero 30.4°C
8 Brisas de Zicatela Oaxaca 30.4°C
9 Campeche Campeche 30.4°C
10 Puerto Escondido Oaxaca 30.4°C

More on this region