Cabo San Lucas water temperature
The sea off Cabo San Lucas is warmest in October, around 83°F (29°C), and coolest in April, around 71°F (21°C).
Photo: Stan Shebs, CC BY-SA 3.0
Sea temperature by month
| Month | Sea | Feels | Air high |
|---|---|---|---|
| January | 74°F (23°C) | Pleasant | 80°F |
| February | 72°F (22°C) | Refreshing | 81°F |
| March | 71°F (22°C) | Refreshing | 83°F |
| April | 71°F (21°C) | Refreshing | 86°F |
| May | 72°F (22°C) | Refreshing | 90°F |
| June | 74°F (23°C) | Pleasant | 91°F |
| July | 80°F (26°C) | Warm | 94°F |
| August | 83°F (28°C) | Bath-warm | 94°F |
| September | 83°F (29°C) | Bath-warm | 93°F |
| October | 83°F (29°C) | Bath-warm | 92°F |
| November | 81°F (27°C) | Bath-warm | 87°F |
| December | 77°F (25°C) | Warm | 81°F |
Average sea-surface temperature just offshore, 1991–2020. Water in shallow bays runs a little warmer on sunny afternoons.
On the water in Cabo San Lucas
Questions
When is the water warmest in Cabo San Lucas?
October, at about 83°F (29°C).
Can you swim in Cabo San Lucas all year?
The water is comfortably warm (73°F/23°C or more) in January through December. Outside those months most people want a wetsuit for long swims.
Do I need a wetsuit to snorkel in Cabo San Lucas?
In April, at 71°F, a 3 mm wetsuit makes a long snorkel much more comfortable. Many tours include or rent one.
