Portugal
Lisbon Coast · Atlantic Ocean

Praia do Ribeiro do CavaloSea temperature now

Lisbon Coast wild cove.

Mild water with a light chop and a light breeze — comfortable conditions for most swimmers.

Sea temperature now
19.9°Cmild
Good
Updated just now · Source: Open-Meteo Marine
Air
Waves
Wind
UV

Location

Praia do Ribeiro do Cavalo 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.

14°C21°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Praia do Ribeiro do Cavalo

The sea in Praia do Ribeiro do Cavalo peaks in August, when the water averages around 21°C.

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

On average, 3 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Shoulder months like June and October are noticeably cooler but often quieter, with fewer crowds and steadier weather.

Outside peak season the water drops toward 14°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 14°C, when cold-water swimmers dominate the coast.

Praia do Ribeiro do Cavalo sea temperature history

Long-term climatology for Praia do Ribeiro do Cavalo shows an annual mean sea temperature of 18°C, ranging from 14°C in winter to 21°C at the summer peak.

The seasonal swing is roughly 7°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 Praia do Ribeiro do Cavalo, 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
15°C
Feb
14°C
Mar
15°C
Apr
16°C
May
17°C
Jun
19°C
Jul
20°C
Aug
21°C
Sep
21°C
Oct
19°C
Nov
18°C
Dec
16°C

Praia do Ribeiro do Cavalo sea temperature: frequently asked questions

What is the warmest month to swim in Praia do Ribeiro do Cavalo?

August is the warmest month in Praia do Ribeiro do Cavalo, when the sea averages about 21°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Praia do Ribeiro do Cavalo?

The coldest month in Praia do Ribeiro do Cavalo is typically February, when the water averages around 14°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Praia do Ribeiro do Cavalo without a wetsuit?

The main swimming season in Praia do Ribeiro do Cavalo runs from July – September — about 3 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 Praia do Ribeiro do Cavalo?

Outside peak summer the water in Praia do Ribeiro do Cavalo drops toward 14°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Praia do Ribeiro do Cavalo?

The long-term annual mean sea temperature in Praia do Ribeiro do Cavalo is about 18°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Praia do Ribeiro do Cavalo?

The live reading at the top of this page shows the current sea temperature in Praia do Ribeiro do Cavalo, 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: Jul – Aug – Sep

MonthSeaComfort
Jan15°CBracing
Feb14°CBracing
Mar15°CBracing
Apr16°CBracing
May17°CBracing
Jun19°CPleasant
Jul20°CPleasant
Aug21°CPleasant
Sep21°CPleasant
Oct19°CPleasant
Nov18°CPleasant
Dec16°CBracing

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