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Coldest sea in Mexico in August

192 coastal locations in Mexico ranked by typical August sea temperature, coldest first. Region-wide average in August: 28.9°C.

Coldest in August

San Quintin

19.9°C August mean in Mexico

Regional August average

28.9°C

across all 192 coastal locations in Mexico

Vs annual mean

+2.8°C

above the year-round regional average

What the Mexico sea feels like in August

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 August fits in the year

August 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 August 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 August

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

# Location August mean
1 San Quintin Baja California 19.9°C
2 Ensenada Baja California 20.4°C
3 Gonzaga Bay Baja California 20.4°C
4 Playa Hermosa 20.4°C
5 Guadalupe Island Baja California 20.6°C
6 Primo Tapia Baja California 20.8°C
7 Puerto Nuevo Baja California 20.8°C
8 Guadalupe Baja California 21.0°C
9 Guadalupe Island Baja California 21.0°C
10 Cedros Island Baja California 21.2°C
11 Tijuana Baja California 21.4°C
12 Rosarito Baja California 21.6°C
13 Bahia Tortugas Baja California Sur 21.7°C
14 Coronado Islands Baja California 21.8°C
15 Guerrero Negro Baja California Sur 22.2°C
16 Bahia Asuncion Baja California Sur 22.3°C
17 Estero de La Bocana Baja California Sur 23.2°C
18 Punta Abreojos Baja California Sur 23.4°C
19 Puerto San Carlos Baja California Sur 25.6°C
20 San Juanico Baja California Sur 25.6°C
21 Scorpion Bay Baja California Sur 25.7°C
22 Bahia San Juanico Baja California Sur 25.7°C
23 Magdalena Bay Baja California Sur 25.8°C
24 San Carlos Baja California Sur 25.9°C
25 Bahia Magdalena Baja California Sur 25.9°C
Show 25 more ▸
26 Merida Yucatan 27.7°C
27 Sisal Yucatan 27.8°C
28 Progreso-C, Yuc. Yucatán 27.9°C
29 Cerritos Beach Baja California Sur 27.9°C
30 El Pescadero Baja California Sur 27.9°C
31 Punta Lobos Baja California Sur 27.9°C
32 Todos Santos Baja California Sur 27.9°C
33 Clarion Island Revillagigedo Islands 28.0°C
34 Telchac,Yuk. Yucatán 28.0°C
35 Celestun Yucatan 28.1°C
36 Roca Partida Revillagigedo Islands 28.2°C
37 Progreso Yucatan 28.2°C
38 Chelem Yucatan 28.3°C
39 El Cuyo Yucatan 28.4°C
40 San Benedicto Revillagigedo Islands 28.5°C
41 Socorro Island Revillagigedo Islands 28.5°C
42 Holbox Quintana Roo 28.5°C
43 Cabo San Lucas Baja California Sur 28.7°C
44 Los Cabos Baja California Sur 28.7°C
45 Medano Beach Baja California Sur 28.7°C
46 Isla Socorro Colima 28.7°C
47 Costa Mujeres Quintana Roo 28.9°C
48 Isla Blanca Quintana Roo 28.9°C
49 Isla Contoy Quintana Roo 28.9°C
50 Playa Norte Quintana Roo 28.9°C

Warmest 10 in Mexico in August

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

# Location August mean
1 San Felipe Baja California 31.9°C
2 Puertecitos Baja California 31.0°C
3 Bahia Kino Sonora 31.0°C
4 Puerto Penasco Sonora 30.9°C
5 Camahuiroa Sonora 30.8°C
6 Puerto Chiapas Chiapas 30.8°C
7 Puerto Arista Chiapas 30.8°C
8 Teacapan Sinaloa 30.8°C
9 Los Ayala Nayarit 30.7°C
10 Rincon de Guayabitos Nayarit 30.7°C

More on this region