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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 21.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °C by the end of October.

  • The climate of San Sebastián in October is notably wet, with an average of 15 rainy days.

  • Is October a good time to visit San Sebastián? check out the best time to travel to San Sebastián page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/14°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
67 %
Avg humidity

San Sebastián in October average weather

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Temperatures trend during October in San Sebastián

See the weather trend as well as the moving average line
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October weather day by day

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Date Weather Temperatures Rain UV More
1 Oct. Sunny
Sunny
22° /16° 1.6 mm 6
2 Oct. Sunny
Sunny
24° /15° 7.1 mm 6
3 Oct. Light rain shower
Light rain shower
18° /13° 2.6 mm 4
4 Oct. Partly cloudy
Partly cloudy
18° /11° 0 mm 5
5 Oct. Sunny
Sunny
22° /14° 0 mm 6
6 Oct. Sunny
Sunny
22° /15° 0.5 mm 6
7 Oct. Partly cloudy
Partly cloudy
22° /15° 1 mm 6
8 Oct. Sunny
Sunny
23° /15° 0.2 mm 6
9 Oct. Sunny
Sunny
23° /15° 1.7 mm 6
10 Oct. Cloudy
Cloudy
20° /14° 0.6 mm 5
11 Oct. Sunny
Sunny
23° /14° 0.3 mm 6
12 Oct. Partly cloudy
Partly cloudy
24° /17° 0.1 mm 7
13 Oct. Patchy rain possible
Patchy rain possible
24° /16° 0.4 mm 6
14 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /15° 10.1 mm 5
15 Oct. Light drizzle
Light drizzle
21° /14° 2.5 mm 5
16 Oct. Partly cloudy
Partly cloudy
21° /14° 5.9 mm 5
17 Oct. Patchy rain possible
Patchy rain possible
20° /15° 12.5 mm 5
18 Oct. Patchy rain possible
Patchy rain possible
19° /14° 1.1 mm 5
19 Oct. Light rain
Light rain
19° /13° 9.4 mm 5
20 Oct. Light rain shower
Light rain shower
19° /13° 6.2 mm 5
21 Oct. Partly cloudy
Partly cloudy
19° /11° 2.7 mm 5
22 Oct. Overcast
Overcast
17° /11° 0.9 mm 4
23 Oct. Light rain shower
Light rain shower
18° /10° 12 mm 5
24 Oct. Patchy rain possible
Patchy rain possible
20° /11° 0.4 mm 5
25 Oct. Light drizzle
Light drizzle
17° /11° 7 mm 4
26 Oct. Moderate rain
Moderate rain
15° /9° 19.5 mm 4
27 Oct. Light drizzle
Light drizzle
15° /8° 20.2 mm 4
28 Oct. Partly cloudy
Partly cloudy
17° /10° 0.3 mm 5
29 Oct. Patchy light drizzle
Patchy light drizzle
18° /12° 1.6 mm 5
30 Oct. Patchy rain possible
Patchy rain possible
18° /12° 1.2 mm 4
31 Oct. Partly cloudy
Partly cloudy
19° /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 121.8 mm is expected in San Sebastián during October, occurring over more than 15 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 17 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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Location coordinates Where is San Sebastián?

Get accurate weather forecasts for San Sebastián, located at latitude 43.201 and longitude -4.423. Stay updated with localized weather information tailored for San Sebastián.

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