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Puerto Rico · Caribbean Sea

Playa NegraSea temperature now

Volcanic black-sand strip.

Very warm water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
29.0°Ctropical
Excellent
Updated just now · Source: Open-Meteo Marine
Air
Waves
Wind
UV

Location

Playa Negra on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Monthly sea temperature averages

Typical year-round water temperature, based on regional climatology.

Best time to swim in Playa Negra

The sea in Playa Negra peaks in July, when the water averages around 29°C.

The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.

On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

The coldest month is typically January at around 26°C, when cold-water swimmers dominate the coast.

Playa Negra sea temperature history

Long-term climatology for Playa Negra shows an annual mean sea temperature of 28°C, ranging from 26°C in winter to 29°C at the summer peak.

The seasonal swing is roughly 3°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Playa Negra, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
26°C
Feb
26°C
Mar
26°C
Apr
27°C
May
28°C
Jun
28°C
Jul
29°C
Aug
29°C
Sep
29°C
Oct
29°C
Nov
28°C
Dec
27°C

Playa Negra sea temperature: frequently asked questions

What is the warmest month to swim in Playa Negra?

July is the warmest month in Playa Negra, when the sea averages about 29°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Playa Negra?

The coldest month in Playa Negra is typically January, when the water averages around 26°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Playa Negra without a wetsuit?

The main swimming season in Playa Negra runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in Playa Negra?

Playa Negra stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.

What is the average sea temperature in Playa Negra?

The long-term annual mean sea temperature in Playa Negra is about 28°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Playa Negra?

The live reading at the top of this page shows the current sea temperature in Playa Negra, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec

MonthSeaComfort
Jan26°CHot
Feb26°CHot
Mar26°CHot
Apr27°CHot
May28°CHot
Jun28°CHot
Jul29°CHot
Aug29°CHot
Sep29°CHot
Oct29°CHot
Nov28°CHot
Dec27°CHot

Nearby beaches