San Sebastián weather in May (Basque Country, Spain)

How's the weather trend in San Sebastián as May approaches? Check out our in-depth weather guide for this month.

Temperatures

In May, San Sebastián usually has pleasant temperatures and high rainfall. Throughout the day, temperatures typically settle at around 18°C. But by evening, they drop to around 12°C.

Precipitation

San Sebastián in May usually receives high rainfall, averaging around 116 mm for the month. On average, there are about 17 days with rain during this month.

Average sunshine

Expect a moderate amount of sunlight, with approximately 182 hours. This means a pleasant mix of sun and clouds.

If you prefer dry days with pleasant temperatures, June, July and August typically offer 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 May

Min Temperature 12°C  

Max Temperature 18°C  

Chance of Rain 55%  

Precipitation 116 mm  

Rainy days 17 days  

Humidity 72%  

Sunshine 182 hours  

Percentage Sunshine  

Where to go in Spain in May

Find out more about the weather in Spain and which places have the best travel 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 this month?

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.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

This site 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 travel conditions. Find out where to go with our weather planner.