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Coldest sea in Puerto Rico in January

73 coastal locations in Puerto Rico ranked by typical January sea temperature, coldest first. Region-wide average in January: 27.2°C.

Coldest in January

Culebra

27.1°C January mean in Puerto Rico

Regional January average

27.2°C

across all 73 coastal locations in Puerto Rico

Vs annual mean

-1.0°C

below the year-round regional average

What the Puerto Rico sea feels like in January

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.

Puerto Rico monthly average 26.9°C to 29.7°C
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  • Warmest month September 29.7°C
  • Coldest month February 26.9°C
  • Annual mean 28.3°C
  • Months above 20°C 12 of 12

Where January fits in the year

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

All twelve Puerto Rico month rankings:

Puerto Rico sea temperature map (live)

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

Sorted by typical January mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location January mean
1 Culebra 27.1°C
2 Flamenco Beach 27.1°C
3 Carolina 27.1°C
4 Esperanza 27.1°C
5 Fajardo 27.1°C
6 Isabel Segunda 27.1°C
7 Loiza 27.1°C
8 Luquillo 27.1°C
9 Playa Fortuna 27.1°C
10 Vieques 27.1°C
11 Bayamn 27.1°C
12 Catano 27.1°C
13 Isla Verde 27.1°C
14 Levittown 27.1°C
15 San Juan 27.1°C
16 Jobos 27.1°C
17 Culebrita, Isla, Puerto Rico Culebra 27.1°C
18 Arecibo 27.2°C
19 Carrizales 27.2°C
20 Culebra, Puerto Rico Culebra 27.2°C
21 Ensenada Honda, Culebra Island, Puerto Rico Culebra 27.2°C
22 Hatillo 27.2°C
23 Bayamón Bayamón 27.2°C
24 Fajardo, Puerto Rico Fajardo 27.2°C
25 Isla Palominos, Puerto Rico Fajardo 27.2°C
Show 25 more ▸
26 Playa de Fajardo, Puerto Rico Fajardo 27.2°C
27 San Juan, La Puntilla, San Juan Bay, Puerto Rico San Juan 27.2°C
28 Emajagua 27.2°C
29 Esperanza, Vieques Island, Puerto Rico Vieques 27.2°C
30 Palmas 27.2°C
31 Puerto Ferro, Isla de Vieques, Puerto Rico Vieques 27.2°C
32 Punta Mulas, Isla de Vieques, Puerto Rico Vieques 27.2°C
33 Punta Santiago 27.2°C
34 Naguabo, Puerto Rico Naguabo 27.2°C
35 Roosevelt Roads, Puerto Rico Ceiba 27.2°C
36 Aguadilla 27.2°C
37 Isabela 27.2°C
38 La Playa 27.2°C
39 Rincon 27.2°C
40 Lamboglia 27.3°C
41 Arroyo 27.3°C
42 Central Aguirre 27.3°C
43 Puerto Maunabo, Puerto Rico Maunabo 27.3°C
44 Punta Tuna Maunabo 27.3°C
45 Yabucoa Harbor, Puerto Rico Yabucoa 27.3°C
46 Aguadilla, Crashboat Beach, Puerto Rico Aguadilla 27.3°C
47 Arroyo, Puerto Rico Arroyo 27.3°C
48 Jauca 27.3°C
49 Jobos Guayama 27.3°C
50 Las Mareas, Puerto Rico Guayama 27.3°C

Warmest 10 in Puerto Rico in January

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

# Location January mean
1 Mayagüez, Puerto Rico Mayagüez 27.5°C
2 Puerto Real, Puerto Rico (sub) Cabo Rojo 27.5°C
3 Punta Guanajibo, Mayagüez, Puerto Rico Cabo Rojo 27.5°C
4 Bahía Salinas, Puerto Rico Cabo Rojo 27.5°C
5 Magueyes Island, Caribbean Sea, Puerto Rico Lajas 27.5°C
6 La Parguera 27.4°C
7 Mona Island, Puerto Rico Mayagüez 27.4°C
8 Guanica, Puerto Rico Guánica 27.4°C
9 Peñuelas (Punta Guayanilla), Puerto Rico Peñuelas 27.4°C
10 Boqueron 27.4°C

More on this region