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Coldest sea in Mexico in May

192 coastal locations in Mexico ranked by typical May sea temperature, coldest first. Region-wide average in May: 25.5°C.

Coldest in May

San Quintin

15.6°C May mean in Mexico

Regional May average

25.5°C

across all 192 coastal locations in Mexico

Vs annual mean

-0.6°C

below the year-round regional average

What the Mexico sea feels like in May

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 May fits in the year

May 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 May 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 May

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

# Location May mean
1 San Quintin Baja California 15.6°C
2 Estero de La Bocana Baja California Sur 16.2°C
3 Ensenada Baja California 16.5°C
4 Gonzaga Bay Baja California 16.5°C
5 Playa Hermosa 16.5°C
6 Punta Abreojos Baja California Sur 16.7°C
7 Bahia Asuncion Baja California Sur 16.7°C
8 Bahia San Juanico Baja California Sur 16.7°C
9 San Juanico Baja California Sur 16.8°C
10 Bahia Tortugas Baja California Sur 16.8°C
11 Cedros Island Baja California 16.8°C
12 Primo Tapia Baja California 16.9°C
13 Puerto Nuevo Baja California 16.9°C
14 Guadalupe Island Baja California 16.9°C
15 Scorpion Bay Baja California Sur 17.0°C
16 Guadalupe Island Baja California 17.3°C
17 Tijuana Baja California 17.3°C
18 Guerrero Negro Baja California Sur 17.4°C
19 Guadalupe Baja California 17.4°C
20 Rosarito Baja California 17.5°C
21 Coronado Islands Baja California 17.5°C
22 Magdalena Bay Baja California Sur 17.6°C
23 Puerto San Carlos Baja California Sur 17.7°C
24 Bahia Magdalena Baja California Sur 17.8°C
25 San Carlos Baja California Sur 17.8°C
Show 25 more ▸
26 Bahia Los Angeles Baja California 19.9°C
27 Bahia de los Angeles Baja California 20.1°C
28 Cerritos Beach Baja California Sur 20.1°C
29 El Pescadero Baja California Sur 20.1°C
30 Punta Lobos Baja California Sur 20.1°C
31 Todos Santos Baja California Sur 20.1°C
32 Puerto Libertad Sonora 21.9°C
33 Cabo San Lucas Baja California Sur 22.0°C
34 Los Cabos Baja California Sur 22.0°C
35 Medano Beach Baja California Sur 22.0°C
36 Santa Rosalia Baja California Sur 22.2°C
37 Puerto Lobos Sonora 22.3°C
38 Tiburon Island Sonora 22.3°C
39 Caborca Sonora 22.5°C
40 Puerto Penasco Sonora 23.0°C
41 Puertecitos Baja California 23.1°C
42 Bahia Kino Sonora 23.2°C
43 Hermosillo Sonora 23.4°C
44 San Jose Del Cabo Baja California Sur 23.6°C
45 Balandra Beach Baja California Sur 23.6°C
46 La Paz Baja California Sur 23.6°C
47 Punta Chivato Baja California Sur 23.6°C
48 San Benedicto Revillagigedo Islands 23.6°C
49 Isla Espiritu Santo Baja California Sur 23.8°C
50 Mulege Baja California Sur 23.8°C

Warmest 10 in Mexico in May

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

# Location May mean
1 Puerto Arista Chiapas 30.5°C
2 Puerto Chiapas Chiapas 30.5°C
3 Mazunte Oaxaca 29.9°C
4 San Agustinillo Oaxaca 29.9°C
5 Zipolite beach Oaxaca 29.9°C
6 Pochutla Oaxaca 29.9°C
7 Puerto Angel Oaxaca 29.9°C
8 Puerto Salina Cruz Oaxaca 29.8°C
9 La Libertad Chiapas 29.8°C
10 Salina Cruz Oaxaca 29.8°C

More on this region