Weather in Donostia / San Sebastián for April 2026
In general, the average temperature in Donostia / San Sebastián at the beginning of April is 16.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.6 °C by the end of April.
Donostia / San Sebastián experiences heavy rainfall in April, with over 20 rainy days and an average total precipitation 99.2 mm.
Is April a good time to visit Donostia / San Sebastián? check out the best time to travel to Donostia / San Sebastián page.
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Donostia / San Sebastián Weather April
Temperatures trend during April in Donostia / San Sebastián
April weather in Donostia / San Sebastián day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Apr. |  Heavy rain at times | 15° /7° | 6.5 mm | 4 | |
| 2 Apr. |  Light drizzle | 14° /6° | 10.5 mm | 3 | |
| 3 Apr. |  Patchy rain possible | 16° /9° | 0.9 mm | 4 | |
| 4 Apr. |  Cloudy | 18° /8° | 0.5 mm | 4 | |
| 5 Apr. | Cloudy | 17° /8° | 0 mm | 4 | |
| 6 Apr. |  Overcast | 18° /8° | 0 mm | 4 | |
| 7 Apr. | Overcast | 18° /8° | 1.3 mm | 4 | |
| 8 Apr. |  Sunny | 19° /8° | 3.3 mm | 5 | |
| 9 Apr. | Overcast | 17° /8° | 4.4 mm | 4 | |
| 10 Apr. | Cloudy | 17° /8° | 0.4 mm | 4 | |
| 11 Apr. | Patchy rain possible | 18° /9° | 0.2 mm | 4 | |
| 12 Apr. |  Moderate or heavy rain shower | 19° /8° | 7.2 mm | 5 | |
| 13 Apr. | Moderate or heavy rain shower | 16° /9° | 7.9 mm | 4 | |
| 14 Apr. | Heavy rain at times | 18° /9° | 4.3 mm | 4 | |
| 15 Apr. | Light rain shower | 13° /8° | 7.1 mm | 3 | |
| 16 Apr. | Overcast | 14° /7° | 1.9 mm | 3 | |
| 17 Apr. | Sunny | 13° /6° | 1.4 mm | 4 | |
| 18 Apr. | Light rain shower | 16° /7° | 0.9 mm | 4 | |
| 19 Apr. | Sunny | 17° /6° | 5.7 mm | 5 | |
| 20 Apr. | Sunny | 15° /7° | 2.8 mm | 4 | |
| 21 Apr. | Sunny | 16° /7° | 2.4 mm | 5 | |
| 22 Apr. | Moderate or heavy rain shower | 14° /7° | 7.3 mm | 3 | |
| 23 Apr. | Moderate rain at times | 15° /7° | 3.1 mm | 4 | |
| 24 Apr. | Patchy rain possible | 16° /9° | 0.9 mm | 4 | |
| 25 Apr. | Moderate rain at times | 17° /9° | 3.2 mm | 4 | |
| 26 Apr. | Light rain shower | 16° /10° | 7.1 mm | 4 | |
| 27 Apr. | Patchy rain possible | 18° /11° | 5.4 mm | 4 | |
| 28 Apr. | Patchy rain possible | 19° /9° | 0.2 mm | 5 | |
| 29 Apr. | Patchy rain possible | 17° /10° | 0.8 mm | 4 | |
| 30 Apr. | Patchy rain possible | 20° /10° | 1.7 mm | 4 | |
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Donostia / San Sebastián weather in April vs March vs May
| March | April | May | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 14°/7° | 16°/8° | 18°/10° |
| Rainfall | 124 mm | 99 mm | 140 mm |
| Snowfall | 0 cm | 0 cm | 0 cm |
| Wind | 19.1 km/h | 16.5 km/h | 14.7 km/h |
| Humidity | 76% | 77% | 80% |
| Rainy days | 24 days | 21 days | 25 days |
| Snow days | 0 days | 0 days | 0 days |
| Dry days | 7 days | 9 days | 6 days |
Planning a trip to Donostia / San Sebastián? Discover the best time to visit
Donostia / San Sebastián in April - FAQ
What to pack to Donostia / San Sebastián in April?
As you prepare for your trip to Donostia / 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 Donostia / 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 Donostia / San Sebastián
Quick links
Where is Donostia / San Sebastián?Get accurate weather forecasts for Donostia / San Sebastián, located at latitude 43.313 and longitude -1.975. Stay updated with localized weather information tailored for Donostia / San Sebastián.