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Warmest sea in Ecuador in December

50 coastal locations in Ecuador ranked by their typical December sea temperature. Region-wide average in December: 25.1°C. The top of the list is where to find the warmest swimming this month.

Warmest in December

San Lorenzo

26.9°C December mean in Ecuador

Regional December average

25.1°C

across all 50 coastal locations in Ecuador

Vs annual mean

-0.5°C

below the year-round regional average

What the Ecuador sea feels like in December

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.

Ecuador monthly average 24.2°C to 27.3°C
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  • Warmest month March 27.3°C
  • Coldest month August 24.2°C
  • Annual mean 25.6°C
  • Months above 20°C 12 of 12

Where December fits in the year

December sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Ecuador month rankings:

Ecuador sea temperature map (live)

The map shows today's latest reading at every Ecuador location. The list below is based on the typical December 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 Ecuador locations in December

Sorted by the typical December 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 December mean
1 San Lorenzo 26.9°C
2 Valdez 26.9°C
3 Esmeraldas 26.5°C
4 Atacames 26.3°C
5 Tonsupa 26.3°C
6 La Mancha 26.2°C
7 Mompiche 26.0°C
8 Muisne 26.0°C
9 El Oro 25.8°C
10 Machala 25.8°C
11 Bajo Alto 25.8°C
12 Jambeli 25.8°C
13 Pedernales 25.7°C
14 Huaquillas 25.6°C
15 Duran 25.5°C
16 Guayaquil 25.5°C
17 Puna Island 25.5°C
18 Subida Alta 25.5°C
19 Bahia de Caraquez 25.2°C
20 Manta 25.2°C
21 Bajada 25.1°C
22 Data de Villamil 25.1°C
23 Engabao 25.1°C
24 Gral Villamil 25.1°C
25 Playas 25.1°C
Show 25 more ▸
26 Posorja 25.1°C
27 Los Frailes Beach 24.8°C
28 Machalilla 24.8°C
29 Isla de la Plata 24.8°C
30 Ayampe 24.7°C
31 Puerto Lopez 24.7°C
32 Puerto Rico 24.7°C
33 Salango 24.7°C
34 Montanita 24.6°C
35 Olon 24.6°C
36 Chanduy 24.6°C
37 Ayangue 24.5°C
38 Ballenita 24.5°C
39 Chipipe 24.5°C
40 La Libertad 24.5°C
41 Punta Blanca 24.5°C
42 Punta Centinela 24.5°C
43 Salinas 24.5°C
44 San Pablo 24.5°C
45 Valdivia 24.5°C
46 Monteverde 24.5°C
47 Anconcito 24.4°C
48 Caleta Aeolian Islas Galápagos 23.2°C
49 San Cristobal Islas Galápagos 23.0°C
50 Santa Cruz Islas Galápagos 22.9°C

Coldest 10 in Ecuador in December

Same data the other way. Helpful if you want to know which Ecuador coasts to avoid for swimming in December.

# Location December mean
1 Santa Cruz Islas Galápagos 22.9°C
2 San Cristobal Islas Galápagos 23.0°C
3 Caleta Aeolian Islas Galápagos 23.2°C
4 Anconcito 24.4°C
5 Monteverde 24.5°C
6 Ayangue 24.5°C
7 Ballenita 24.5°C
8 Chipipe 24.5°C
9 La Libertad 24.5°C
10 Punta Blanca 24.5°C

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