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Warmest sea in Costa Rica in July

54 coastal locations in Costa Rica ranked by their typical July sea temperature. Region-wide average in July: 29.0°C. The top of the list is where to find the warmest swimming this month.

Warmest in July

Chacarita

29.2°C July mean in Costa Rica

Regional July average

29.0°C

across all 54 coastal locations in Costa Rica

Vs annual mean

+0.2°C

above the year-round regional average

What the Costa Rica sea feels like in July

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
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  • 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 July fits in the year

July 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 July 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 July

Sorted by the typical July 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 July mean
1 Chacarita 29.2°C
2 Jaco 29.2°C
3 Nandayure 29.2°C
4 Playa Carrillo 29.2°C
5 Punta Islita 29.2°C
6 Puntarenas 29.2°C
7 Nosara 29.2°C
8 Samara 29.2°C
9 Ojochal 29.1°C
10 San Jose 29.1°C
11 Uvita 29.1°C
12 Dominical 29.1°C
13 Los Pargos 29.1°C
14 Mal Pais 29.1°C
15 Marbella 29.1°C
16 Montezuma 29.1°C
17 Playa Avellana 29.1°C
18 Playa Azul 29.1°C
19 Playa Mansita 29.1°C
20 Playa Negra 29.1°C
21 Playa Santa Teresa 29.1°C
22 Manuel Antonio 29.1°C
23 Puerto Quepos 29.1°C
24 Quepos 29.1°C
25 Cano Island 29.1°C
Show 25 more ▸
26 Pavones 29.1°C
27 Golfito 29.0°C
28 Guanacaste 29.0°C
29 Liberia 29.0°C
30 Brasilito 29.0°C
31 Catalina Island 29.0°C
32 Palm Beach Estates 29.0°C
33 Playa Carbon 29.0°C
34 Playa Conchal 29.0°C
35 Playa Del Coco 29.0°C
36 Playa Flamingo 29.0°C
37 Playa Grande 29.0°C
38 Playa Hermosa 29.0°C
39 Playa Langosta 29.0°C
40 Playa Mina 29.0°C
41 Playa Nombre de Jesus 29.0°C
42 Playa Real y Roble 29.0°C
43 Playa Ventanas 29.0°C
44 Potrero 29.0°C
45 Tamarindo Beach 29.0°C
46 Papagayo 28.7°C
47 Puerto Limon Limón 28.7°C
48 Punta Uva 28.6°C
49 Cahuita 28.6°C
50 Puerto Viejo 28.6°C

Coldest 10 in Costa Rica in July

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

# Location July mean
1 Cocos Island 28.2°C
2 Playa Bonita 28.6°C
3 Tortuguero 28.6°C
4 Limon 28.6°C
5 Cahuita 28.6°C
6 Puerto Viejo 28.6°C
7 Punta Uva 28.6°C
8 Puerto Limon Limón 28.7°C
9 Papagayo 28.7°C
10 Brasilito 29.0°C

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