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Coldest sea in Puerto Rico in March

73 coastal locations in Puerto Rico ranked by typical March sea temperature, coldest first. Region-wide average in March: 26.9°C.

Coldest in March

Carolina

26.6°C March mean in Puerto Rico

Regional March average

26.9°C

across all 73 coastal locations in Puerto Rico

Vs annual mean

-1.4°C

below the year-round regional average

What the Puerto Rico sea feels like in March

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 March fits in the year

March 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 March 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 March

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

# Location March mean
1 Carolina 26.6°C
2 Loiza 26.6°C
3 Bayamn 26.6°C
4 Catano 26.6°C
5 Culebra 26.6°C
6 Flamenco Beach 26.6°C
7 Isla Verde 26.6°C
8 Levittown 26.6°C
9 San Juan 26.6°C
10 Fajardo 26.7°C
11 Luquillo 26.7°C
12 Playa Fortuna 26.7°C
13 Esperanza 26.7°C
14 Isabel Segunda 26.7°C
15 Vieques 26.7°C
16 Arecibo 26.7°C
17 Bayamón Bayamón 26.8°C
18 Jobos 26.8°C
19 San Juan, La Puntilla, San Juan Bay, Puerto Rico San Juan 26.8°C
20 Culebrita, Isla, Puerto Rico Culebra 26.8°C
21 Carrizales 26.8°C
22 Hatillo 26.8°C
23 Culebra, Puerto Rico Culebra 26.8°C
24 Ensenada Honda, Culebra Island, Puerto Rico Culebra 26.8°C
25 Fajardo, Puerto Rico Fajardo 26.8°C
Show 25 more ▸
26 Isla Palominos, Puerto Rico Fajardo 26.8°C
27 Playa de Fajardo, Puerto Rico Fajardo 26.8°C
28 Aguadilla 26.8°C
29 Isabela 26.8°C
30 La Playa 26.8°C
31 Rincon 26.8°C
32 Esperanza, Vieques Island, Puerto Rico Vieques 26.9°C
33 Puerto Ferro, Isla de Vieques, Puerto Rico Vieques 26.9°C
34 Punta Mulas, Isla de Vieques, Puerto Rico Vieques 26.9°C
35 Naguabo, Puerto Rico Naguabo 26.9°C
36 Roosevelt Roads, Puerto Rico Ceiba 26.9°C
37 Aguadilla, Crashboat Beach, Puerto Rico Aguadilla 26.9°C
38 Emajagua 26.9°C
39 Palmas 26.9°C
40 Punta Santiago 26.9°C
41 Lamboglia 26.9°C
42 Arroyo 26.9°C
43 Central Aguirre 26.9°C
44 Jauca 27.0°C
45 Playita Cortada 27.0°C
46 Potala Pastillo 27.0°C
47 Puerto Maunabo, Puerto Rico Maunabo 27.0°C
48 Punta Tuna Maunabo 27.0°C
49 Yabucoa Harbor, Puerto Rico Yabucoa 27.0°C
50 Mona Island, Puerto Rico Mayagüez 27.0°C

Warmest 10 in Puerto Rico in March

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

# Location March mean
1 Mayagüez, Puerto Rico Mayagüez 27.2°C
2 Puerto Real, Puerto Rico (sub) Cabo Rojo 27.2°C
3 Punta Guanajibo, Mayagüez, Puerto Rico Cabo Rojo 27.2°C
4 Bahía Salinas, Puerto Rico Cabo Rojo 27.2°C
5 Magueyes Island, Caribbean Sea, Puerto Rico Lajas 27.2°C
6 Guanica, Puerto Rico Guánica 27.2°C
7 Peñuelas (Punta Guayanilla), Puerto Rico Peñuelas 27.2°C
8 La Parguera 27.1°C
9 Playa de Ponce, Puerto Rico Ponce 27.1°C
10 Puerto Ponce Ponce 27.1°C

More on this region