Weather in San Sebastián for April 2025
Yellow Thunderstorm Warning - See hour by hour.
The forecast for the next days in San Sebastián predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in San Sebastián at the beginning of April is 17.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.7 °C by the end of April.
San Sebastián experiences moderate rainfall in April, with an average of 9 rainy days and a total precipitation of 98.1 mm.
Is April a good time to visit San Sebastián? check out the best time to travel to San Sebastián page.
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San Sebastián Weather April
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2   15° | 3 17° | 4  20° | 5 20° | 6  19° | |
| 7 19° | 8 20° | 9 19° | 10 22° | 11 18° | 12 20° | 13 17° |
| 14 16° | 15 13° | 16 11° | 17 14° | 18 14° | 19 16° | 20 15° |
| 21 13° | 22 13° | 23 13° | 24  12° | 25 12° | 26  13° | 27 10° |
| 28 13° | 29 14° | 30 15° |
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Temperatures trend during April in San Sebastián
April weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Apr. | Light rain | 12° /5° | 1.7 mm | 3 | |
| 2 Apr. | Patchy rain possible | 15° /9° | 2.1 mm | 1.1 | |
| 3 Apr. | Patchy rain possible | 17° /10° | 0.4 mm | 1 | |
| 4 Apr. | Partly cloudy | 20° /11° | 0 mm | 1.1 | |
| 5 Apr. | Patchy rain possible | 20° /11° | 0.8 mm | 1 | |
| 6 Apr. | Sunny | 19° /9° | 0 mm | 4 | |
| 7 Apr. | Sunny | 19° /9° | 0 mm | 4 | |
| 8 Apr. | Sunny | 20° /10° | 0 mm | 4 | |
| 9 Apr. | Sunny | 19° /10° | 0 mm | 4 | |
| 10 Apr. | Patchy rain possible | 22° /10° | 0.1 mm | 4 | |
| 11 Apr. | Partly cloudy | 18° /13° | 0 mm | 5 | |
| 12 Apr. | Patchy rain possible | 20° /12° | 1.1 mm | 3 | |
| 13 Apr. | Partly cloudy | 17° /10° | 0.1 mm | 4 | |
| 14 Apr. | Patchy rain possible | 16° /10° | 0.6 mm | 3 | |
| 15 Apr. | Patchy rain possible | 13° /11° | 1.7 mm | 3 | |
| 16 Apr. | Patchy rain possible | 11° /8° | 0.5 mm | 3 | |
| 17 Apr. | Patchy rain possible | 14° /7° | 0.1 mm | 3 | |
| 18 Apr. | Partly cloudy | 14° /6° | 0 mm | 4 | |
| 19 Apr. | Sunny | 16° /6° | 0 mm | 5 | |
| 20 Apr. | Sunny | 15° /6° | 0 mm | 5 | |
| 21 Apr. | Partly cloudy | 13° /6° | 0 mm | 4 | |
| 22 Apr. | Patchy rain possible | 13° /5° | 0 mm | 3 | |
| 23 Apr. | Patchy rain possible | 13° /4° | 0.2 mm | 3 | |
| 24 Apr. | Overcast | 12° /6° | 0 mm | 3 | |
| 25 Apr. | Light rain shower | 12° /6° | 4.3 mm | 3 | |
| 26 Apr. | Moderate or heavy rain with thunder | 13° /7° | 7.5 mm | 3 | |
| 27 Apr. | Light rain shower | 10° /6° | 51 mm | 3 | |
| 28 Apr. | Patchy rain possible | 13° /5° | 1.1 mm | 3 | |
| 29 Apr. | Partly cloudy | 14° /5° | 0 mm | 4 | |
| 30 Apr. | Light rain shower | 15° /8° | 9.8 mm | 4 | |
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San Sebastián in April - FAQ
What to pack to San Sebastián in April?
As you prepare for your trip to San Sebastián in April, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in San Sebastián, during April, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
April rainfall patterns in San Sebastián
UV exposure in San Sebastián during April
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Where is San Sebastián?Get accurate weather forecasts for San Sebastián, located at latitude 43.567 and longitude -5.9. Stay updated with localized weather information tailored for San Sebastián.