Warmest sea in Costa Rica in April

54 coastal locations in Costa Rica ranked by their typical April sea temperature. Region-wide average in April: 29.2°C. The top of the list is where to find the warmest swimming this month.

Warmest in April

Dominical

30.1°C April mean in Costa Rica

Regional April average

29.2°C

across all 54 coastal locations in Costa Rica

Vs annual mean

+0.5°C

above the year-round regional average

What the Costa Rica sea feels like in April

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 April fits in the year

April 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 April 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 Costa Rica locations in April

Sorted by the typical April 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	Country	April mean
1	Dominical	Costa Rica	30.1°C
2	Ojochal	Costa Rica	30.1°C
3	Uvita	Costa Rica	30.1°C
4	Manuel Antonio	Costa Rica	30.0°C
5	Puerto Quepos	Costa Rica	30.0°C
6	Quepos	Costa Rica	30.0°C
7	San Jose	Costa Rica	30.0°C
8	Cano Island	Costa Rica	30.0°C
9	Pavones	Costa Rica	29.9°C
10	Golfito	Costa Rica	29.9°C
11	Mal Pais	Costa Rica	29.8°C
12	Montezuma	Costa Rica	29.8°C
13	Nosara	Costa Rica	29.8°C
14	Playa Santa Teresa	Costa Rica	29.8°C
15	Samara	Costa Rica	29.8°C
16	Nandayure	Costa Rica	29.7°C
17	Playa Carrillo	Costa Rica	29.7°C
18	Punta Islita	Costa Rica	29.7°C
19	Cocos Island	Costa Rica	29.7°C
20	Chacarita	Costa Rica	29.6°C
21	Puntarenas	Costa Rica	29.6°C
22	Jaco	Costa Rica	29.6°C
23	Los Pargos	Costa Rica	29.3°C
24	Marbella	Costa Rica	29.3°C
25	Playa Avellana	Costa Rica	29.3°C

Show 25 more ▸

26	Playa Azul	Costa Rica	29.3°C
27	Playa Mansita	Costa Rica	29.3°C
28	Playa Negra	Costa Rica	29.3°C
29	Brasilito	Costa Rica	28.8°C
30	Catalina Island	Costa Rica	28.8°C
31	Palm Beach Estates	Costa Rica	28.8°C
32	Playa Carbon	Costa Rica	28.8°C
33	Playa Conchal	Costa Rica	28.8°C
34	Playa Del Coco	Costa Rica	28.8°C
35	Playa Flamingo	Costa Rica	28.8°C
36	Playa Grande	Costa Rica	28.8°C
37	Playa Hermosa	Costa Rica	28.8°C
38	Playa Langosta	Costa Rica	28.8°C
39	Playa Mina	Costa Rica	28.8°C
40	Playa Nombre de Jesus	Costa Rica	28.8°C
41	Playa Real y Roble	Costa Rica	28.8°C
42	Playa Ventanas	Costa Rica	28.8°C
43	Potrero	Costa Rica	28.8°C
44	Tamarindo Beach	Costa Rica	28.8°C
45	Guanacaste	Costa Rica	28.7°C
46	Liberia	Costa Rica	28.7°C
47	Puerto Limon Limón	Costa Rica	28.5°C
48	Cahuita	Costa Rica	28.5°C
49	Puerto Viejo	Costa Rica	28.5°C
50	Punta Uva	Costa Rica	28.5°C

Coldest 10 in Costa Rica in April

Same data the other way. Helpful if you want to know which Costa Rica coasts to avoid for swimming in April.

#	Location	Country	April mean
1	Papagayo	Costa Rica	28.2°C
2	Playa Bonita	Costa Rica	28.4°C
3	Tortuguero	Costa Rica	28.5°C
4	Limon	Costa Rica	28.5°C
5	Punta Uva	Costa Rica	28.5°C
6	Cahuita	Costa Rica	28.5°C
7	Puerto Viejo	Costa Rica	28.5°C
8	Puerto Limon Limón	Costa Rica	28.5°C
9	Guanacaste	Costa Rica	28.7°C
10	Liberia	Costa Rica	28.7°C