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Warmest sea in North America in January

5,500 coastal locations in North America ranked by their typical January sea temperature. Region-wide average in January: 9.8°C. The top of the list is where to find the warmest swimming this month.

Warmest in January

Puerto Chiapas

28.8°C January mean in Mexico

Regional January average

9.8°C

across all 5,500 coastal locations in North America

Vs annual mean

-5.3°C

below the year-round regional average

What the North America sea feels like in January

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

North America monthly average 9.3°C to 21.6°C
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  • Warmest month August 21.6°C
  • Coldest month February 9.3°C
  • Annual mean 15.2°C
  • Months above 20°C 3 of 12

Where January fits in the year

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

All twelve North America month rankings:

North America sea temperature map (live)

The map shows today's latest reading at every North America location. The list below is based on the typical January mean, useful for trip planning weeks or months ahead.

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 North America locations in January

Sorted by the typical January mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location January mean
1 Puerto Chiapas Chiapas 28.8°C
2 Acapulco Guerrero 28.8°C
3 Maldonado Guerrero 28.8°C
4 Tecoanapa Guerrero 28.7°C
5 Ixtapa Guerrero 28.7°C
6 Zihuatanejo Guerrero 28.7°C
7 Acapulco-C,Gro. Guerrero 28.6°C
8 Brisas de Zicatela Oaxaca 28.5°C
9 Puerto Escondido Oaxaca 28.5°C
10 Troncones Guerrero 28.5°C
11 Lazaro Cardenas Michoacan 28.5°C
12 Zihuatenajo,Gro. Guerrero 28.5°C
13 Puerto Lazaro Cardenas Michoacán 28.4°C
14 Caleta de Campos Michoacan 28.3°C
15 Puerto Arista Chiapas 28.2°C
16 Mazunte Oaxaca 28.2°C
17 San Agustinillo Oaxaca 28.2°C
18 Zipolite beach Oaxaca 28.2°C
19 Maruata Michoacan 28.1°C
20 Palmyra Island Northern Line Islands 28.0°C
21 Huatulco Oaxaca 28.0°C
22 Santa Maria Huatulco Oaxaca 28.0°C
23 Howland Island Minor Outlying Islands 28.0°C
24 Pochutla Oaxaca 27.9°C
25 Puerto Angel Oaxaca 27.9°C
Show 25 more ▸
26 La Ticla Michoacan 27.8°C
27 Mascota Colima 27.7°C
28 Tecoman Colima 27.7°C
29 La Crucecita Oaxaca 27.7°C
30 Tangolunda Oaxaca 27.7°C
31 Manzanillo Colima 27.5°C
32 Barra de Navidad Jalisco 27.4°C
33 San Patricio - Melaque Jalisco 27.4°C
34 San Patricio Jalisco 27.4°C
35 Chapala Jalisco 27.4°C
36 Guadalajara Jalisco 27.4°C
37 Villa Obregon Jalisco 27.4°C
38 Boca De Iguanas Jalisco 27.3°C
39 Isla Cozumel Quintana Roo 27.3°C
40 La Manzanilla Jalisco 27.3°C
41 Tenacatita Jalisco 27.3°C
42 Manzanillo-B Colima 27.3°C
43 Mayakoba at Playa del Carmen Quintana Roo 27.2°C
44 Paamul Quintana Roo 27.2°C
45 Playa del Carmen Quintana Roo 27.2°C
46 Playacar Quintana Roo 27.2°C
47 Puerto Aventuras Quintana Roo 27.2°C
48 Riviera Maya Quintana Roo 27.2°C
49 Costa Maya Quintana Roo 27.2°C
50 Cozumel Quintana Roo 27.2°C

Coldest 10 in North America in January

Same data the other way. Helpful if you want to know which North America coasts to avoid for swimming in January.

# Location January mean
1 Dundas Harbour Nunavut -1.7°C
2 Grise Fiord Nunavut -1.7°C
3 Iceberg Point Nunavut -1.7°C
4 Iqaluit Nunavut -1.7°C
5 Cameron Island Nunavut -1.7°C
6 Milne Inlet Nunavut -1.7°C
7 Pisiktarfik Island Nunavut -1.7°C
8 Wrangel Bay Nunavut -1.7°C
9 Frobisher's Farthest Nunavut -1.7°C
10 Resor Island Nunavut -1.7°C

More on this region