Cabo San Lucas sea temperature today: 32°C – beach water temperature, Cabo San Lucas, Mexico
Interactive map
Mexico · Central America
Cabo San Lucas
Sea
32.0°C89.6°F
Air
–
UV
–
Bathtub
Above ⁦28°C⁩

Last updated ·

Today, September 13, the sea temperature at Cabo San Lucas is 32 °C (90 °F). That is 3.1 °C warmer than the usual 28.9 °C in September. Comfortable for swimming year-round.

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Climate · monthly averages

Sea temperature by month

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.

Warmest in September (28.9°C). Coldest in April (20.4°C). Comfortable for swimming year-round.

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.
MonthSea · MinSea · AvgSea · MaxAir · MinAir · AvgAir · Max
January21.6°C22.8°C23.9°C17.7°C20.1°C22.8°C
February19.7°C21.1°C22.3°C17.0°C19.6°C22.5°C
March20.1°C20.9°C21.6°C17.3°C20.2°C23.3°C
April19.9°C20.4°C20.9°C18.1°C20.9°C23.8°C
May20.5°C20.7°C21.3°C19.5°C22.1°C24.8°C
June21.1°C22.0°C23.1°C21.6°C23.6°C26.0°C
July24.3°C26.1°C27.8°C24.9°C26.8°C28.8°C
August27.6°C28.8°C30.0°C26.5°C28.0°C29.7°C
September27.9°C28.9°C29.9°C25.9°C27.5°C29.3°C
October27.8°C28.4°C29.0°C24.5°C26.3°C28.5°C
November25.9°C26.9°C27.8°C21.9°C24.1°C26.6°C
December23.6°C25.1°C26.0°C20.1°C22.4°C25.1°C

About Cabo San Lucas

At the southern tip of the Baja California peninsula, El Arco de Cabo San Lucas marks Land's End, a granite headland where the Pacific Ocean meets the Sea of Cortez. Playa del Amor hides in a boat-only cove between the two oceans, reached by water taxi from the harbour, while Playa El Médano stretches three kilometres along the calm Sea of Cortez side with swimmable shallows and cabanas. Sea temperatures climb to 28-30 °C82-86 °F from July through September, with Los Cabos International thirty minutes by Mex-1.

Frequently asked questions

Today, September 13, the sea at Cabo San Lucas is 32 °C (90 °F)90 °F (32 °C) – bathtub-warm. The usual September average is 28.9 °C84 °F.

No single number works for everyone, so the scale on this page is only a guide to how the water feels: below 13 °C55 °F icy, 13–18 °C55–64 °F cold, 18–23 °C64–73 °F refreshing, 23–28 °C73–82 °F pleasantly warm and above 28 °C82 °F like a bath. Right now the sea at Cabo San Lucas is 32 °C90 °F.

Yes – the sea at Cabo San Lucas (Mexico) stays swimmable all year. April is the coolest month, averaging 20.4 °C69 °F – refreshing, good for a short swim; the warmest is September at 28.9 °C84 °F.

In September, at 28.9 °C84 °F on average. The coolest month is April at 20.4 °C69 °F – still above the 18 °C64 °F swimming line, so there is no off-season for swimming.