Warmest sea in Costa Rica

54 coastal locations in Costa Rica ranked by their year-round average sea temperature. The regional average is 28.8°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

Ojochal

29.3°C annual mean in Costa Rica

Regional average

28.8°C

across all 54 Costa Rica coastal locations

Warmest month

May

29.5°C region-wide average

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

Month by month across Costa Rica

Sea temperatures in Costa Rica swing from 28.1°C in February to 29.5°C in May on average across every coast we track. That spread of 1°C hides much bigger swings at individual locations.

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

Costa Rica sea temperature map

Today's pin colours show the latest daily reading at every Costa Rica 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 Costa Rica

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

#	Location	Country	Annual mean	Latest
1	Ojochal	Costa Rica	29.3°C	30.6°C
2	Uvita	Costa Rica	29.3°C	30.6°C
3	Pavones	Costa Rica	29.2°C	30.1°C
4	Dominical	Costa Rica	29.2°C	30.6°C
5	San Jose	Costa Rica	29.2°C	30.6°C
6	Cano Island	Costa Rica	29.1°C	30.5°C
7	Manuel Antonio	Costa Rica	29.1°C	30.6°C
8	Puerto Quepos	Costa Rica	29.1°C	30.6°C
9	Quepos	Costa Rica	29.1°C	30.6°C
10	Golfito	Costa Rica	29.1°C	30.1°C
11	Jaco	Costa Rica	29.1°C	30.1°C
12	Chacarita	Costa Rica	29.0°C	30.4°C
13	Puntarenas	Costa Rica	29.0°C	30.4°C
14	Mal Pais	Costa Rica	29.0°C	30.6°C
15	Montezuma	Costa Rica	29.0°C	30.6°C
16	Nandayure	Costa Rica	29.0°C	30.5°C
17	Playa Carrillo	Costa Rica	29.0°C	30.5°C
18	Playa Santa Teresa	Costa Rica	29.0°C	30.6°C
19	Punta Islita	Costa Rica	29.0°C	30.5°C
20	Nosara	Costa Rica	28.9°C	30.6°C
21	Samara	Costa Rica	28.9°C	30.6°C
22	Los Pargos	Costa Rica	28.7°C	30.2°C
23	Marbella	Costa Rica	28.7°C	30.2°C
24	Playa Avellana	Costa Rica	28.7°C	30.2°C
25	Playa Azul	Costa Rica	28.7°C	30.2°C

Show 25 more ▸

26	Playa Mansita	Costa Rica	28.7°C	30.2°C
27	Playa Negra	Costa Rica	28.7°C	30.2°C
28	Puerto Limon Limón	Costa Rica	28.7°C	29.3°C
29	Punta Uva	Costa Rica	28.7°C	29.1°C
30	Cahuita	Costa Rica	28.7°C	29.2°C
31	Puerto Viejo	Costa Rica	28.7°C	29.2°C
32	Limon	Costa Rica	28.6°C	29.3°C
33	Playa Bonita	Costa Rica	28.6°C	29.3°C
34	Tortuguero	Costa Rica	28.6°C	29.5°C
35	Brasilito	Costa Rica	28.5°C	29.8°C
36	Catalina Island	Costa Rica	28.5°C	29.8°C
37	Palm Beach Estates	Costa Rica	28.5°C	29.8°C
38	Playa Carbon	Costa Rica	28.5°C	29.8°C
39	Playa Conchal	Costa Rica	28.5°C	29.8°C
40	Playa Del Coco	Costa Rica	28.5°C	29.8°C
41	Playa Flamingo	Costa Rica	28.5°C	29.8°C
42	Playa Grande	Costa Rica	28.5°C	29.8°C
43	Playa Hermosa	Costa Rica	28.5°C	29.8°C
44	Playa Langosta	Costa Rica	28.5°C	29.8°C
45	Playa Mina	Costa Rica	28.5°C	29.8°C
46	Playa Nombre de Jesus	Costa Rica	28.5°C	29.8°C
47	Playa Real y Roble	Costa Rica	28.5°C	29.8°C
48	Playa Ventanas	Costa Rica	28.5°C	29.8°C
49	Potrero	Costa Rica	28.5°C	29.8°C
50	Tamarindo Beach	Costa Rica	28.5°C	29.8°C

Coldest 10 in Costa Rica for contrast

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

#	Location	Country	Annual mean
1	Papagayo	Costa Rica	28.1°C
2	Cocos Island	Costa Rica	28.3°C
3	Guanacaste	Costa Rica	28.4°C
4	Liberia	Costa Rica	28.4°C
5	Brasilito	Costa Rica	28.5°C
6	Catalina Island	Costa Rica	28.5°C
7	Palm Beach Estates	Costa Rica	28.5°C
8	Playa Carbon	Costa Rica	28.5°C
9	Playa Conchal	Costa Rica	28.5°C
10	Playa Del Coco	Costa Rica	28.5°C