Skip to content
seatemperatures.net

Warmest sea in North America

5,500 coastal locations in North America ranked by their year-round average sea temperature. The regional average is 15.2°C. The top of the list shows where to find the warmest water in a typical year. The bottom shows the coldest year-round coasts of the region.

Warmest location

Puerto Chiapas

29.8°C annual mean in Mexico

Regional average

15.2°C

across all 5,500 North America coastal locations

Warmest month

August

21.6°C region-wide average

North America monthly average 9.3°C to 21.6°C
J
F
M
A
M
J
J
A
S
O
N
D
  • Warmest month August 21.6°C
  • Coldest month February 9.3°C
  • Annual mean 15.2°C
  • Months above 20°C 3 of 12

Month by month across North America

Sea temperatures in North America swing from 9.3°C in February to 21.6°C in August on average across every coast we track. That spread of 12°C hides much bigger swings at individual locations.

Want a specific month? Pick one for a dedicated ranking:

North America sea temperature map

Today's pin colours show the latest daily reading at every North America location we track. Pick any pin for the location's full page.

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 warmest locations in North America

The warmest coastal locations across all of North America, sorted by year-round average. Click any place for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Puerto Chiapas Chiapas 29.8°C
2 Puerto Arista Chiapas 29.7°C
3 Maldonado Guerrero 29.5°C
4 Brisas de Zicatela Oaxaca 29.5°C
5 Puerto Escondido Oaxaca 29.5°C
6 Mazunte Oaxaca 29.4°C
7 San Agustinillo Oaxaca 29.4°C
8 Zipolite beach Oaxaca 29.4°C
9 Acapulco Guerrero 29.4°C
10 Tecoanapa Guerrero 29.4°C
11 Acapulco-C,Gro. Guerrero 29.3°C
12 Pochutla Oaxaca 29.3°C
13 Puerto Angel Oaxaca 29.3°C
14 Huatulco Oaxaca 29.3°C
15 Santa Maria Huatulco Oaxaca 29.3°C
16 Ixtapa Guerrero 29.1°C
17 La Crucecita Oaxaca 29.1°C
18 Tangolunda Oaxaca 29.1°C
19 Zihuatanejo Guerrero 29.1°C
20 Troncones Guerrero 29.1°C
21 Zihuatenajo,Gro. Guerrero 29.1°C
22 Lazaro Cardenas Michoacan 29.0°C
23 Puerto Lazaro Cardenas Michoacán 28.9°C
24 Caleta de Campos Michoacan 28.8°C
25 Maruata Michoacan 28.7°C
Show 25 more ▸
26 Xcalak Quintana Roo 28.5°C
27 Bacalar Quintana Roo 28.5°C
28 Calderitas Quintana Roo 28.5°C
29 Chetumal Quintana Roo 28.5°C
30 Quentin Quintana Roo 28.5°C
31 Costa Maya Quintana Roo 28.5°C
32 Isla Cozumel Quintana Roo 28.5°C
33 Mahahual Quintana Roo 28.5°C
34 Palmyra Island Northern Line Islands 28.5°C
35 Tulum Quintana Roo 28.4°C
36 Akumal Quintana Roo 28.4°C
37 Puerto Moreles,QR Quintana Roo 28.4°C
38 Xpu Ha Quintana Roo 28.4°C
39 Mayakoba at Playa del Carmen Quintana Roo 28.4°C
40 Paamul Quintana Roo 28.4°C
41 Playa del Carmen Quintana Roo 28.4°C
42 Playacar Quintana Roo 28.4°C
43 Puerto Aventuras Quintana Roo 28.4°C
44 Riviera Maya Quintana Roo 28.4°C
45 Cozumel Quintana Roo 28.4°C
46 Puerto Morelos Quintana Roo 28.4°C
47 La Ticla Michoacan 28.4°C
48 Mascota Colima 28.4°C
49 Tecoman Colima 28.4°C
50 Cancun Quintana Roo 28.4°C

Warmest countries in North America

Country-level averages across every coastal location in each country (minimum 5 locations to be listed). A useful starting point for picking a country before drilling in.

# Country Annual mean
1 Mexico 26.1°C
2 United States 16.2°C
3 Canada 7.0°C

Coldest 10 in North America for contrast

Same data, sorted the other way. Useful if you want to know which North America coasts stay coldest year-round.

# Location Annual mean
1 Wrangel Bay Nunavut -1.6°C
2 Cameron Island Nunavut -1.6°C
3 Alert Nunavut -1.6°C
4 Cape Sheridan Nunavut -1.6°C
5 Discovery Harbour Nunavut -1.6°C
6 Iceberg Point Nunavut -1.6°C
7 Airstrip Point Nunavut -1.6°C
8 Isachsen Nunavut -1.5°C
9 Hamilton Island Nunavut -1.4°C
10 Pim Island Nunavut -1.4°C

More on this region