San Sebastian Water Temperature
Water Temperature Today - August 8, 2025
Hourly water temperature variations for San Sebastian throughout the day:
Current Water Temperature Overview
Today's sea temperature reading for San Sebastian, Basque Country measures 72°F this morning. Visitors to this Basque Country beach location can expect very good water conditions for swimming, surfing, and marine activities throughout August.
7-Day Temperature Forecast
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Temperature Analysis & Trends
The water temperature in San Sebastian, Basque Country is currently 7.5°F cooler than the typical August average. Historical data from 2019-2024 shows that the warmest water temperatures occur during Jun (averaging 87°F), while the coolest temperatures are typically recorded in Dec (averaging 57°F). This 30°F seasonal variation is characteristic of the temperate maritime climate region along the Atlantic coast.
San Sebastian Water Temperature by Month
These figures show the average, minimum and maximum monthly sea temperature in San Sebastian. Values are calculated based on historical data over the past 10 years.
| Month | Avr | Min | Max | Rating |
|---|---|---|---|---|
| Jan | 59°F | 52°F | 63°F | |
| Sea water temperature in San Sebastian in Jan | ||||
| Feb | 64.5°F | 58.5°F | 68.5°F | |
| Sea water temperature in San Sebastian in Feb | ||||
| Mar | 72°F | 66°F | 75°F | |
| Sea water temperature in San Sebastian in Mar | ||||
| Apr | 79.5°F | 71.5°F | 85.5°F | |
| Sea water temperature in San Sebastian in Apr | ||||
| May | 85°F | 79°F | 90°F | |
| Sea water temperature in San Sebastian in May | ||||
| Jun | 87°F | 79°F | 90°F | |
| Sea water temperature in San Sebastian in Jun | ||||
| Jul | 85°F | 80°F | 92°F | |
| Sea water temperature in San Sebastian in Jul | ||||
| Aug | 79.5°F | 75.5°F | 86.5°F | |
| Sea water temperature in San Sebastian in Aug | ||||
| Sep | 72°F | 68°F | 78°F | |
| Sea water temperature in San Sebastian in Sep | ||||
| Oct | 64.5°F | 61.5°F | 67.5°F | |
| Sea water temperature in San Sebastian in Oct | ||||
| Nov | 59°F | 51°F | 62°F | |
| Sea water temperature in San Sebastian in Nov | ||||
| Dec | 57°F | 49°F | 63°F | |
| Sea water temperature in San Sebastian in Dec | ||||
Chart monthly average water temperature in San Sebastian
Temperature Statistics
Swimming Season Information
The swimming season in San Sebastian, Basque Country offers excellent conditions with an extended 7-month swimming season typically extending from Mar through Sep in 2025. During peak season months, water temperatures remain ideal for swimming, snorkeling, and water sports without requiring thermal protection. Even during the cooler months, many visitors enjoy the Basque Country waters with appropriate gear such as wetsuits.
Best Time to Visit San Sebastian
The optimal time to visit San Sebastian, Basque Country for the warmest water temperature is during Jun and May in 2025, when temperatures peak around 87°F to 85°F. This 2°F range during peak season is ideal for swimming, boating, and water sports in San Sebastian. Spring and fall months in Basque Country offer fishing, beachcombing, and coastal exploration around San Sebastian with slightly cooler but still comfortable water temperatures for most beachgoers.
Water Quality & Conditions
Water clarity in San Sebastian is consistently high due to regular daily monitoring by Basque Country environmental authorities. Visitors to San Sebastian, Basque Country should always check current beach conditions and any posted advisories before entering the water, especially following storms or heavy rainfall that may affect local water quality.
Local Attractions & Activities
Beyond enjoying the perfect water temperature, San Sebastian offers visitors beautiful beaches, recreational opportunities, and natural beauty in San Sebastian along the coastal Basque Country region of Basque Country. The San Sebastian area is particularly known for excellent fishing, water sports, and local seafood around San Sebastian, making it a complete destination for beach enthusiasts visiting Basque Country. Basque Country state parks, recreational facilities, and seasonal events located within a short drive of San Sebastian provide entertainment options for all ages and interests throughout the Basque Country coastal region.
Climate & Weather Patterns
Weather patterns affecting San Sebastian, Basque Country are influenced by continental weather systems and seasonal temperature variations affecting San Sebastian from the Atlantic Ocean. Summers in Basque Country bring warm temperatures while winters can be quite cold around San Sebastian. During summer, this creates distinct seasonal water temperature changes in San Sebastian affecting both water temperature and overall swimming conditions throughout the San Sebastian area of Basque Country.
About San Sebastian
Location: San Sebastian, Basque Country
Current Temperature: 72°F - Very Good
Coordinates: 43.3183°N, 1.9812°W
🏊♀️ Perfect conditions for swimming! The water is warm and comfortable for all water activities.
🛟 Safety Information
Safety considerations for San Sebastian, Basque Country: Current August water temperatures of 72°F in San Sebastian are comfortable for most swimming activities and water sports. Always check local San Sebastian conditions including currents, tides, and weather forecasts before entering Basque Country coastal waters. Swim near lifeguarded areas when available in San Sebastian and follow all posted safety guidelines specific to Basque Country beaches. Local emergency services including Basque Country marine patrol and Coast Guard facilities provide additional safety resources for all water activities in the San Sebastian area.
Historical Temperature Data
Our temperature readings for San Sebastian are based on historical data from nearby NOAA weather stations and real-time monitoring systems. Data is updated hourly to provide the most accurate current conditions for planning your beach activities.