Coldest sea in Costa Rica in May

54 coastal locations in Costa Rica ranked by typical May sea temperature, coldest first. Region-wide average in May: 29.5°C.

Coldest in May

Cocos Island

29.0°C May mean in Costa Rica

Regional May average

29.5°C

across all 54 coastal locations in Costa Rica

Vs annual mean

+0.7°C

above the year-round regional average

What the Costa Rica 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.

Costa Rica monthly average 28.1°C to 29.5°C

Warmest month May 29.5°C
Coldest month February 28.1°C
Annual mean 28.8°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 Costa Rica month rankings:

Costa Rica sea temperature map (live)

The map shows today's latest reading at every Costa Rica 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 Costa Rica 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	Country	May mean
1	Cocos Island	Costa Rica	29.0°C
2	Playa Bonita	Costa Rica	29.2°C
3	Punta Uva	Costa Rica	29.2°C
4	Cahuita	Costa Rica	29.2°C
5	Limon	Costa Rica	29.2°C
6	Puerto Viejo	Costa Rica	29.2°C
7	Tortuguero	Costa Rica	29.2°C
8	Puerto Limon Limón	Costa Rica	29.2°C
9	Papagayo	Costa Rica	29.2°C
10	Guanacaste	Costa Rica	29.4°C
11	Liberia	Costa Rica	29.4°C
12	Brasilito	Costa Rica	29.4°C
13	Catalina Island	Costa Rica	29.4°C
14	Palm Beach Estates	Costa Rica	29.4°C
15	Playa Carbon	Costa Rica	29.4°C
16	Playa Conchal	Costa Rica	29.4°C
17	Playa Del Coco	Costa Rica	29.4°C
18	Playa Flamingo	Costa Rica	29.4°C
19	Playa Grande	Costa Rica	29.4°C
20	Playa Hermosa	Costa Rica	29.4°C
21	Playa Langosta	Costa Rica	29.4°C
22	Playa Mina	Costa Rica	29.4°C
23	Playa Nombre de Jesus	Costa Rica	29.4°C
24	Playa Real y Roble	Costa Rica	29.4°C
25	Playa Ventanas	Costa Rica	29.4°C

Show 25 more ▸

26	Potrero	Costa Rica	29.4°C
27	Tamarindo Beach	Costa Rica	29.4°C
28	Golfito	Costa Rica	29.4°C
29	Pavones	Costa Rica	29.5°C
30	Jaco	Costa Rica	29.5°C
31	Chacarita	Costa Rica	29.5°C
32	Mal Pais	Costa Rica	29.5°C
33	Montezuma	Costa Rica	29.5°C
34	Playa Santa Teresa	Costa Rica	29.5°C
35	Puntarenas	Costa Rica	29.5°C
36	Nandayure	Costa Rica	29.5°C
37	Playa Carrillo	Costa Rica	29.5°C
38	Punta Islita	Costa Rica	29.5°C
39	Los Pargos	Costa Rica	29.6°C
40	Marbella	Costa Rica	29.6°C
41	Nosara	Costa Rica	29.6°C
42	Playa Avellana	Costa Rica	29.6°C
43	Playa Azul	Costa Rica	29.6°C
44	Playa Mansita	Costa Rica	29.6°C
45	Playa Negra	Costa Rica	29.6°C
46	Samara	Costa Rica	29.6°C
47	Cano Island	Costa Rica	29.7°C
48	Manuel Antonio	Costa Rica	29.7°C
49	Puerto Quepos	Costa Rica	29.7°C
50	Quepos	Costa Rica	29.7°C

Warmest 10 in Costa Rica in May

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

#	Location	Country	May mean
1	Dominical	Costa Rica	29.7°C
2	Ojochal	Costa Rica	29.7°C
3	Uvita	Costa Rica	29.7°C
4	San Jose	Costa Rica	29.7°C
5	Manuel Antonio	Costa Rica	29.7°C
6	Puerto Quepos	Costa Rica	29.7°C
7	Quepos	Costa Rica	29.7°C
8	Cano Island	Costa Rica	29.7°C
9	Los Pargos	Costa Rica	29.6°C
10	Marbella	Costa Rica	29.6°C