San Sebastián
October
Weather in San Sebastián for October 2025
Your guide to San Sebastián weather in October - trends and predictions
In general, the average temperature in San Sebastián at the beginning of October is 21.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.9 °C by the end of October.
Expect significant rainfall in San Sebastián during October, with an average of 17 rainy days.
Is October a good time to visit San Sebastián? check out the best time to travel to San Sebastián page.
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14
Dry days
17
Rainy days
0
Snow days
21°/14°
Temperatures
16 km/h
Avg max wind
70 %
Avg humidity
San Sebastián in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 22° | 3  17° | 4  21° | 5 23° | ||
| 6 21° | 7  25° | 8 24° | 9 24° | 10 23° | 11  23° | 12 24° |
| 13  23° | 14 19° | 15 18° | 16 21° | 17 20° | 18 20° | 19 18° |
| 20 19° | 21 17° | 22 18° | 23 16° | 24  21° | 25 16° | 26 15° |
| 27 15° | 28 17° | 29 18° | 30 17° | 31 20° |
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Temperatures trend during October in San Sebastián
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Sunny | 24° /17° | 6.8 mm | 6 | |
| 2 Oct. | Sunny | 22° /15° | 7.1 mm | 6 | |
| 3 Oct. | Light rain shower | 17° /13° | 2.6 mm | 4 | |
| 4 Oct. | Mist | 21° /12° | 0 mm | 5 | |
| 5 Oct. | Sunny | 23° /14° | 0.1 mm | 6 | |
| 6 Oct. | Sunny | 21° /14° | 6.1 mm | 5 | |
| 7 Oct. | Partly cloudy | 25° /15° | 0.2 mm | 6 | |
| 8 Oct. | Sunny | 24° /15° | 0.8 mm | 6 | |
| 9 Oct. | Sunny | 24° /15° | 7.3 mm | 6 | |
| 10 Oct. | Sunny | 23° /14° | 0.5 mm | 6 | |
| 11 Oct. | Overcast | 23° /14° | 1.1 mm | 5 | |
| 12 Oct. | Partly cloudy | 24° /15° | 0 mm | 7 | |
| 13 Oct. | Patchy light drizzle | 23° /15° | 0.8 mm | 5 | |
| 14 Oct. | Light rain shower | 19° /14° | 2.7 mm | 5 | |
| 15 Oct. | Light rain | 18° /14° | 10.1 mm | 5 | |
| 16 Oct. | Partly cloudy | 21° /14° | 4.6 mm | 5 | |
| 17 Oct. | Patchy rain possible | 20° /13° | 3.1 mm | 5 | |
| 18 Oct. | Light rain shower | 20° /13° | 0.8 mm | 5 | |
| 19 Oct. | Light rain shower | 18° /13° | 2.9 mm | 4 | |
| 20 Oct. | Light rain shower | 19° /13° | 10.9 mm | 5 | |
| 21 Oct. | Patchy rain possible | 17° /11° | 1.7 mm | 4 | |
| 22 Oct. | Patchy rain possible | 18° /11° | 0.4 mm | 4 | |
| 23 Oct. | Light rain shower | 16° /9° | 13.8 mm | 4 | |
| 24 Oct. | Moderate rain at times | 21° /10° | 3.2 mm | 5 | |
| 25 Oct. | Light rain shower | 16° /12° | 4.3 mm | 4 | |
| 26 Oct. | Light rain shower | 15° /10° | 27.2 mm | 4 | |
| 27 Oct. | Light rain shower | 15° /11° | 11.7 mm | 4 | |
| 28 Oct. | Light rain | 17° /10° | 2.4 mm | 4 | |
| 29 Oct. | Light rain shower | 18° /10° | 1.4 mm | 4 | |
| 30 Oct. | Patchy rain possible | 17° /10° | 0.7 mm | 4 | |
| 31 Oct. | Partly cloudy | 20° /10° | 0 mm | 6 | |
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Important Notice
Our weather forecast for San Sebastián in October 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 October - FAQ
What are the expected maximum and minimum temperatures in San Sebastián during October?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Sebastián during October?
Significant rainfall exceeding 152.2 mm is expected in San Sebastián during October, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Sebastián during October?
The average wind speed in San Sebastián during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to San Sebastián in October?
As you prepare for your trip to San Sebastián in October, 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 October, 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
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- 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
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