San Sebastián in April
In April, San Sebastián averages 17°C (62°F) during the day and 10°C (49°F) at night, with frequent rain — about 14 days of the month see precipitation (118 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
April is one of the wetter and less comfortable months in San Sebastián. If your dates are flexible, consider a different time of year.
How April compares to the rest of the year in San Sebastián
April is in the middle of the year for warmth in San Sebastián (7th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 2°C below the annual average (18°C). April runs 2°C warmer than March (15°C) and warms a further 2°C into May (19°C).
April sunrise & sunset in San Sebastián
Times shown for San Sebastián local time (Europe/Madrid), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in San Sebastián — April
Golden-hour and blue-hour windows for the 15th of April, in San Sebastián's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — San Sebastián in April
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (Shoulder) and San Sebastián's popularity.
April in Spain — events that affect travel
Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.
Holy Week processions, especially in Seville and Málaga. Hotels in Andalucía sell out a year ahead, prices 2-3x normal. Some banks and shops close.
Plan: Seville at peak is unforgettable but planning-intensive. Other Spanish cities are quieter and more affordable.
Crowds & pricing — April in San Sebastián
San Sebastián is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — April in San Sebastián
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
San Sebastián in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 12°C / 53°F | 6°C / 43°F | 220 mm | 17 | — |
| February | 13°C / 56°F | 7°C / 44°F | 166 mm | 15 | — |
| March | 15°C / 58°F | 8°C / 46°F | 155 mm | 17 | — |
| April | 17°C / 62°F | 10°C / 49°F | 118 mm | 14 | — |
| May | 19°C / 66°F | 12°C / 53°F | 122 mm | 16 | — |
| June | 22°C / 71°F | 15°C / 59°F | 106 mm | 14 | — |
| July | 23°C / 74°F | 17°C / 63°F | 76 mm | 13 | — |
| August | 24°C / 75°F | 17°C / 63°F | 102 mm | 12 | — |
| September | 23°C / 73°F | 16°C / 60°F | 112 mm | 12 | — |
| October | 20°C / 69°F | 14°C / 56°F | 121 mm | 13 | — |
| November | 15°C / 60°F | 10°C / 50°F | 229 mm | 18 | — |
| December | 14°C / 57°F | 8°C / 47°F | 177 mm | 15 | — |
Other cities with similar April weather
🌍 See the full ranked list of climate twins for San Sebastián in April →
Frequently asked questions
How hot is San Sebastián in April?
In April, San Sebastián averages a high of 17°C (62°F) and a low of 10°C (49°F) — generally mild and pleasant.
Does it rain a lot in San Sebastián in April?
April can be fairly wet in San Sebastián, with about 14 rainy days on average.
Is April a good time to visit San Sebastián?
April is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for San Sebastián in April?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full April packing list for San Sebastián for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.