San Sebastián
April
Weather in San Sebastián for April 2026
Your guide to San Sebastián weather in April - trends and predictions
In general, the average temperature in San Sebastián at the beginning of April is 17.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 15.3 °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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Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
15°/8°
Temperatures
15 km/h
Avg max wind
75 %
Avg humidity
San Sebastián Weather April
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2 15° | 3  18° | 4  20° | 5 21° | ||
| 6 18° | 7  18° | 8 16° | 9 16° | 10 16° | 11  19° | 12  18° |
| 13 18° | 14 17° | 15 13° | 16 12° | 17 15° | 18 16° | 19 14° |
| 20 14° | 21 14° | 22 14° | 23 15° | 24 15° | 25 14° | 26  14° |
| 27 13° | 28 17° | 29 19° | 30 15° |
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Temperatures trend during April in San Sebastián
See the weather trend as well as the moving average line
April weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Apr. | Light rain | 14° /7° | 0.9 mm | 4 | |
| 2 Apr. | Light drizzle | 15° /7° | 3 mm | 4 | |
| 3 Apr. | Cloudy | 18° /9° | 3.6 mm | 4 | |
| 4 Apr. | Partly cloudy | 20° /10° | 0 mm | 6 | |
| 5 Apr. | Partly cloudy | 21° /11° | 0.4 mm | 5 | |
| 6 Apr. | Light drizzle | 18° /10° | 0.3 mm | 4 | |
| 7 Apr. | Patchy rain possible | 18° /9° | 0 mm | 5 | |
| 8 Apr. | Light rain shower | 16° /8° | 8.7 mm | 4 | |
| 9 Apr. | Patchy rain possible | 16° /7° | 0.7 mm | 4 | |
| 10 Apr. | Partly cloudy | 16° /7° | 0.5 mm | 5 | |
| 11 Apr. | Overcast | 19° /10° | 0.1 mm | 4 | |
| 12 Apr. | Sunny | 18° /12° | 3.8 mm | 5 | |
| 13 Apr. | Sunny | 18° /11° | 0.4 mm | 5 | |
| 14 Apr. | Patchy rain possible | 17° /9° | 2.4 mm | 4 | |
| 15 Apr. | Patchy rain possible | 13° /6° | 3 mm | 3 | |
| 16 Apr. | Patchy rain possible | 12° /6° | 1.5 mm | 3 | |
| 17 Apr. | Patchy rain possible | 15° /6° | 0.3 mm | 4 | |
| 18 Apr. | Partly cloudy | 16° /7° | 7.3 mm | 4 | |
| 19 Apr. | Sunny | 14° /6° | 4.3 mm | 4 | |
| 20 Apr. | Sunny | 14° /7° | 1.2 mm | 4 | |
| 21 Apr. | Partly cloudy | 14° /7° | 0.2 mm | 4 | |
| 22 Apr. | Patchy rain possible | 14° /6° | 0.3 mm | 3 | |
| 23 Apr. | Patchy rain possible | 15° /6° | 0.1 mm | 4 | |
| 24 Apr. | Overcast | 15° /8° | 0 mm | 4 | |
| 25 Apr. | Light rain shower | 14° /8° | 8 mm | 4 | |
| 26 Apr. | Moderate or heavy rain with thunder | 14° /7° | 4.5 mm | 3 | |
| 27 Apr. | Light rain shower | 13° /6° | 25.5 mm | 4 | |
| 28 Apr. | Patchy rain possible | 17° /7° | 0.5 mm | 5 | |
| 29 Apr. | Partly cloudy | 19° /8° | 0 mm | 5 | |
| 30 Apr. | Light rain shower | 15° /8° | 9.8 mm | 4 | |
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Important Notice
Our weather forecast for San Sebastián in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Sebastián forecast closer to your planned date for the most up-to-date weather information.
San Sebastián in April - FAQ
What are the expected maximum and minimum temperatures in San Sebastián during April?
During April, expect a variety of temperatures with highs around 15° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Sebastián during April?
Moderate rainfall is anticipated in San Sebastián during April, with a total of 98.1 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in San Sebastián during April?
The average wind speed in San Sebastián during April is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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
Explore the daily rainfall trends and prepare for San Sebastiáns April weather 💧
UV exposure in San Sebastián during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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