San Sebastián weather in August (Basque Country, Spain)

Curious about the August weather in San Sebastián? Check out this comprehensive weather guide.

In San Sebastián the weather in August is generally perfect, with high temperatures and moderate rainfall. August is a summer month. Throughout the day, temperatures typically settle at around 24°C. But by evening, they drop to around 18°C. On average, it has the peak temperatures of the year.

San Sebastián in August usually receives moderate rainfall, averaging around 90 mm for the month. When we look at the climate data from the last 30 years, we can expect around 13 days of rain.

The city usually sees around 198 hours of sunlight, indicating many sunny days.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. June, July and August generally stand out with the best circumstances. While January, February, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Sebastián climate page with graphs.

 

San Sebastián, monthly averages in August

Min Temperature 18°C  

Max Temperature 24°C  

Chance of Rain 45%  

Precipitation 90 mm  

Rainy days 13 days  

Humidity 75%  

Sunshine 198 hours  

Percentage Sunshine  

Where to go in Spain in August

Find out more about the weather in Spain in August and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in San Sebastián in August?

For visitors traveling to San Sebastián, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming

7/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in San Sebastián.

Our site offers climate and forecast data for every country in the world. Are you going to Spain? On this website you can find historical weather averages for many cities in Spain. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.