Fernando de Noronha Sea Temperature

Updated Mon 20:17 (America/Noronha)

Brazil · Forecast updated Aug 10, 2026, 20:17 UTC

Current Sea Temperature

27.4°C

81.3°F

Warm water

Versus this month's average

0.4°C above

The August average in our archive is 27.0°C (80.6°F).

Recent trend

Warming by 0.4°C

Seven-day average: 27.1°C, versus 26.7°C in the prior seven days.

What to wear

Warm water

Most people are comfortable in swimwear or a light rash guard.

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 Fernando de Noronha, monthly averages range from about 27.0°C (80.6°F) in August to 28.4°C (83.1°F) in June.

Over the past 30 days, the average sea temperature in Fernando de Noronha has been 27.1°C.

Month	Min	Average	Max
June	28.1°C / 82.6°F	28.4°C / 83.1°F	28.9°C / 84.0°F
July	26.5°C / 79.7°F	27.4°C / 81.3°F	28.2°C / 82.8°F
August	26.5°C / 79.7°F	27.0°C / 80.6°F	27.5°C / 81.5°F

Profile calculated from 1709 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.

Atlantic archipelago marine park with turtles, reef sharks and clear natural pools.

The current sea surface temperature in Fernando de Noronha is 27.4°C. Over the last 30 days, the average has been 27.1°C.

The warmest monthly average in the Fernando de Noronha archive is June, at around 28.4°C (83.1°F).

The coldest monthly average in the archive is August, at around 27.0°C (80.6°F).

At 27.4°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 Fernando de Noronha.