2026 Climate Averages

Weather: San Sebastián — March

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

March is a wet time to visit San Sebastián. Mild temperatures around 15°C make it comfortable for exploring. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds. At 13°C, the sea is too cold for most swimmers.

6.4
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

15°C

Avg Low

10°C

Rainy days

17days

Daylight

11.8h

Feels like 13°C / 7°C — wind chill makes it feel cooler

Rainfall

120mm

Sunshine

8.6h/day

Humidity

75%

Humid
Sun Strength

5.2

High
Wind

20 km/h (gusts 44)

Sea Temp

13°C ❄️ Cold

Is March a good time to visit San Sebastián?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Now

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Feels like --
Wind --
Humidity --
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Local time

Air Quality

Travel Context

  • Crowds
    Very Quiet
  • Travel Costs Shoulder Rates

Daylight

Sunrise

07:23

Sunset

19:13

11.8h daylight

Live March Forecast

LIVE

Forecast for your trip dates

Up to 14 days ahead

Visiting San Sebastián in March: Pros & Cons

Pros

  • Fewer crowds and better hotel deals

Cons

  • Frequent rain may disrupt outdoor activities
  • Sea too cold for comfortable swimming

Things to Do in March

Events & Festivals

🎉
Carnival (Inauteriak)
Pre-Lent (varies) Festival

Recommended for This Weather

🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

San Sebastián Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 13°C 8°C 15d (137mm) 5.8h
79% Humid
2.3 Moderate
Wet
Feb 15°C 9°C 12d (92mm) 7.2h
77% Humid
3.6 Moderate
Good
Mar Current 15°C 10°C 17d (120mm) 8.6h
75% Humid
5.2 High
Wet
Apr 17°C 11°C 14d (99mm) 9.6h
77% Humid
6.9 High
Wet
May 20°C 14°C 16d (103mm) 10.9h
80% Very Humid
8.1 Very High
Excellent
Jun 23°C 17°C 17d (131mm) 10.4h
83% Very Humid
8 Very High
Excellent
Jul 24°C 18°C 12d (52mm) 11.4h
82% Very Humid
8.4 Very High
Excellent
Aug 25°C 19°C 13d (98mm) 10.6h
82% Very Humid
7.5 Very High
Excellent
Sep 23°C 17°C 15d (135mm) 9.3h
79% Humid
5.8 High
Excellent
Oct 21°C 15°C 13d (135mm) 7.6h
78% Humid
4.1 Moderate
Wet
Nov 16°C 12°C 15d (173mm) 6.1h
80% Very Humid
2.5 Moderate
Wet
Dec 14°C 10°C 18d (183mm) 5.4h
81% Very Humid
2 Low
Wet

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5
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3
Your Best MonthOctScore: 8

Where to Stay

See hotels, apartments & rentals around San Sebastián – live prices from Booking.com, Expedia, Vrbo and more

San Sebastián

Basque culinary capital, including La Concha beach, La Concha beach promenade and Pintxos bar hopping in Parte Vieja, pintxos bars, and Michelin-starred dining.

View Full Destination Guide

What to Pack for March

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions. A waterproof jacket and shoes are non-negotiable — showers are frequent.

Moderate Very Quiet

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to San Sebastián?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is March a good time to visit San Sebastián?
March is typically wet for visiting San Sebastián, with average highs of 15°C and around 17 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in San Sebastián in March?
Nights in San Sebastián during March are cool at around 10°C. Bring a jacket or sweater for evenings, especially if you plan to dine outdoors or take evening walks. The temperature drop from day to night can be noticeable.
What should I pack for San Sebastián in March?
With highs of 15°C and lows of 10°C in March, we recommend: Layerable clothing, Light jacket, Compact umbrella, Waterproof jacket/shell. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in San Sebastián in March?
San Sebastián typically sees around 17 rainy days in March. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in San Sebastián in March?
Swimming in San Sebastián during March is possible but quite cold, with air temperatures around 15°C. Only brave swimmers venture in without a wetsuit. Consider indoor pools or thermal baths as an alternative if your hotel offers them.
How many hours of daylight are there in San Sebastián in March?
In March, San Sebastián gets approximately 11.8 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is March peak season in San Sebastián?
No, March is not peak season in San Sebastián. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Madrid)

Last Updated: February 2026