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Warmest sea in Central America and the Caribbean in May

711 coastal locations in Central America and the Caribbean ranked by their typical May sea temperature. Region-wide average in May: 28.1°C. The top of the list is where to find the warmest swimming this month.

Warmest in May

Puerto Quetzal-B

30.5°C May mean in Guatemala

Regional May average

28.1°C

across all 711 coastal locations in Central America and the Caribbean

Vs annual mean

-0.0°C

below the year-round regional average

What the Central America and the Caribbean 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.

Central America and the Caribbean monthly average 26.6°C to 29.6°C
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  • Warmest month September 29.6°C
  • Coldest month February 26.6°C
  • Annual mean 28.1°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 Central America and the Caribbean month rankings:

Central America and the Caribbean sea temperature map (live)

The map shows today's latest reading at every Central America and the Caribbean location. The list below is based on the typical May 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 Central America and the Caribbean locations in May

Sorted by the typical May 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 May mean
1 Puerto Quetzal-B Escuintla 30.5°C
2 San Jose Escuintla 30.5°C
3 Champerico 30.4°C
4 Puerto Quetzal 30.4°C
5 Puerto San Jose 30.4°C
6 Acajutla-C Sonsonate 30.3°C
7 La Union-B La Unión 30.3°C
8 Amapala 30.3°C
9 Acajutla 30.3°C
10 La Union 30.2°C
11 La Libertad 30.1°C
12 Punta Gorda 29.9°C
13 Livingston 29.8°C
14 Puerto Barrios 29.8°C
15 Corinto-A Chinandega 29.8°C
16 Puerto Corinto Chinandega 29.8°C
17 Jiquilillo 29.8°C
18 Hunting Cay Toledo District 29.7°C
19 Dominical 29.7°C
20 Ojochal 29.7°C
21 Uvita 29.7°C
22 San Jose 29.7°C
23 Manuel Antonio 29.7°C
24 Puerto Quepos 29.7°C
25 Quepos 29.7°C
Show 25 more ▸
26 Cano Island 29.7°C
27 Harvest Caye 29.6°C
28 El Porvenir Departamento de Cortés 29.6°C
29 Puerto Cortes-B Departamento de Cortés 29.6°C
30 Puerto Cortez Cortés Department 29.6°C
31 Corinto 29.6°C
32 Las Penitas 29.6°C
33 San Pedro Sula 29.6°C
34 Los Pargos 29.6°C
35 Marbella 29.6°C
36 Nosara 29.6°C
37 Playa Avellana 29.6°C
38 Playa Azul 29.6°C
39 Playa Mansita 29.6°C
40 Playa Negra 29.6°C
41 Samara 29.6°C
42 Nandayure 29.5°C
43 Playa Carrillo 29.5°C
44 Punta Islita 29.5°C
45 Chacarita 29.5°C
46 Mal Pais 29.5°C
47 Montezuma 29.5°C
48 Playa Santa Teresa 29.5°C
49 Puntarenas 29.5°C
50 Jaco 29.5°C

Coldest 10 in Central America and the Caribbean in May

Same data the other way. Helpful if you want to know which Central America and the Caribbean coasts to avoid for swimming in May.

# Location May mean
1 Salisbury 11.9°C
2 Bermuda Esso Pier St. George's Parish 21.8°C
3 Saint David's Island St. George's Parish 21.8°C
4 St. George's Island St. George's Parish 21.8°C
5 Great Sound Sandys Parish 21.9°C
6 Flatts Village 22.2°C
7 Harrington Sound 22.2°C
8 Saint George 22.2°C
9 Shelly Bay Beach 22.2°C
10 Tucker's Town 22.2°C

More on this region