Arraial do Cabo Sea Temperature

Updated Mon 05:18 (America/Sao_Paulo)

Brazil · Forecast updated Aug 10, 2026, 05:18 UTC

Current Sea Temperature

22.8°C

73.0°F

Mild water

Versus this month's average

Close to average

The August average in our archive is 22.7°C (72.9°F).

Recent trend

Holding fairly steady

Seven-day average: 22.8°C, versus 22.8°C in the prior seven days.

What to wear

Mild water

A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.

Sea Surface Temperature Over the Year

In the data collected for Arraial do Cabo, monthly averages range from about 22.7°C (72.9°F) in August to 23.2°C (73.8°F) in June.

Over the past 30 days, the average sea temperature in Arraial do Cabo has been 22.7°C.

Month	Min	Average	Max
June	22.7°C / 72.9°F	23.2°C / 73.8°F	24.1°C / 75.4°F
July	22.3°C / 72.1°F	22.8°C / 73.0°F	23.4°C / 74.1°F
August	22.4°C / 72.3°F	22.7°C / 72.9°F	23.6°C / 74.5°F

Profile calculated from 1694 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.

The 'Brazilian Caribbean' with clear water, coves and resident turtles.

The current sea surface temperature in Arraial do Cabo is 22.8°C. Over the last 30 days, the average has been 22.7°C.

The warmest monthly average in the Arraial do Cabo archive is June, at around 23.2°C (73.8°F).

The coldest monthly average in the archive is August, at around 22.7°C (72.9°F).

At 22.8°C, the water is usually comfortable for swimming and snorkeling.

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Arraial do Cabo.