Costa de la Luz is a coastal area of Spain on the Atlantic Ocean, with 22 tracked beaches. The sea here ranges from about 14°C in the coolest month to 26°C at the summer peak, with roughly 5 months a year sitting above 20°C — the level most swimmers describe as pleasant without a wetsuit. Use the beach list below to check the current sea temperature at each spot before you head out.
Costa de la Luz
22 tracked beaches in Costa de la Luz, Spain, with live Atlantic Ocean temperatures.
Sea
Atlantic Ocean
Avg sea temp now
24.1°C
Best months
June – October
Best time to swim in Costa de la Luz
The sea in Costa de la Luz peaks in August, when the water averages around 26°C.
The main swimming season runs from June – October, when surface temperatures stay comfortable for extended sessions.
On average, 5 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like May and November are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 16°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.
Costa de la Luz sea temperature history
Long-term climatology for Costa de la Luz shows an annual mean sea temperature of 19°C, ranging from 14°C in winter to 26°C at the summer peak.
The seasonal swing is roughly 12°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 Costa de la Luz, 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
18°C
Jun
22°C
Jul
25°C
Aug
26°C
Sep
24°C
Oct
21°C
Nov
18°C
Dec
16°C
Values are area averages; individual beaches vary by exposure and depth.
Costa de la Luz sea temperature: frequently asked questions
What is the warmest month to swim in Costa de la Luz?
August is the warmest month in Costa de la Luz, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Costa de la Luz?
The coldest month in Costa de la Luz is typically February, when the water averages around 14°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Costa de la Luz without a wetsuit?
The main swimming season in Costa de la Luz runs from June – October — about 5 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 Costa de la Luz?
Outside peak summer the water in Costa de la Luz drops toward 16°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 Costa de la Luz?
The long-term annual mean sea temperature in Costa de la Luz is about 19°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Costa de la Luz?
The live reading at the top of this page shows the current sea temperature in Costa de la Luz, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Beaches in the Costa de la Luz
Ranked by current live sea temperature.
- 1Punta UmbríaPunta Umbría, Spain24.6°C
- 2Playa de CamposotoSan Fernando, Spain24.5°C
- 3Playa del PalmarVejer de la Frontera, Spain24.5°C
- 4Playa de MazagónPalos de la Frontera, Spain24.5°C
- 5Playa de ZaharaZahara de los Atunes, Spain24.4°C
- 6Playa de la CaletaCádiz, Spain24.4°C
- 7Playa de MatalascañasAlmonte, Spain24.4°C
- 8Playa de ValdevaquerosTarifa, Spain24.4°C
- 9Caños de MecaBarbate, Spain24.3°C
- 10Playa de Isla CristinaIsla Cristina, Spain24.2°C
- 11Playa de CortaduraCádiz, Spain24.1°C
- 12Playa de la FontanillaConil de la Frontera, Spain24.1°C
- 13Playa de la VictoriaCádiz, Spain24.0°C
- 14Playa de la BarrosaChiclana, Spain23.8°C
- 15Playa de Sancti PetriChiclana de la Frontera, Spain23.8°C
- 16Playa de AyamonteAyamonte, Spain23.8°C
- 17Playa de ConilConil de la Frontera, Spain23.7°C
- 18Playa de BoloniaTarifa, Spain23.7°C
- 19Playa de los LancesTarifa, Spain23.7°C
- 20Playa de los AlemanesZahara de los Atunes, Spain23.5°C
- 21Playa de MatalascañasAlmonte, Spain23.5°C
- 22Playa de la AntillaLepe, Spain23.4°C
Swimming in the Costa de la Luz — FAQ
How warm is the sea in the Costa de la Luz in September?
The Atlantic Ocean off the Costa de la Luz averages about 24.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in the Costa de la Luz?
The Costa de la Luz is warmest in August (around 26.0°C) and coldest in February (around 14.0°C). There are typically 4 months a year when the water sits above 22°C.
What is the average yearly sea temperature in the Costa de la Luz?
Across all twelve months, the sea in the Costa de la Luz averages about 19.2°C.
Do you need a wetsuit to swim in the Costa de la Luz?
In peak season (around August, ~26.0°C) most swimmers are comfortable without a wetsuit. Outside summer, when the water drops toward 14.0°C, a 3/2mm to 5/4mm wetsuit is recommended.