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Weather in Donostia / San Sebastián for October 2026

Your guide to Donostia / San Sebastián weather in October - trends and predictions

    Temperatures

  • Until now, October 2026 in Donostia / San Sebastián is slightly cooler than the historical average by 1.2 °C.

  • The forecast for the upcoming days in Donostia / San Sebastián predicts a temperature of 18.6 °C, which is slightly above the historical average.

  • In general, the average temperature in Donostia / San Sebastián at the beginning of October is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °C by the end of October.

    • Rain 🌧️

  • The climate of Donostia / San Sebastián in October is notably wet, with an average of 13 rainy days, and a total of 113.7 mm of precipitation.

    • More

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

  • ✨ Is October a good time to visit Donostia / San Sebastián? – Ask the AI Weatherman

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Donostia / San Sebastián Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
21°
2
Light rain
23°
3
Light rain
20°
4
Light rain
21°
5
Sunny
22°
6
Light rain
24°
7
Moderate rain
22°
8
Light rain
21°
9
Patchy rain possible
21°
10
Patchy rain possible
21°
11
Partly cloudy
22°
12
Sunny
24°
13
Partly cloudy
25°
14
Light rain
22°
15
Sunny
22°
16
Light rain
21°
17
Moderate rain
19°
18
Light rain
20°
19
Light rain
18°
20
Moderate or heavy rain shower
18°
21
Light rain
19°
22
Overcast
20°
23
Light rain
19°
24
Patchy rain possible
19°
25
Light rain
17°
26
Moderate rain
16°
27
Light rain
21°
28
Sunny
17°
29
Overcast
19°
30
Sunny
18°
31
Sunny
18°

Temperatures trend during October in Donostia / San Sebastián

See the weather trend as well as the moving average line

October weather in Donostia / San Sebastián day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Light rain
Light rain
 21° /15° 2.7 mm 4.8
2 Oct. Light rain
Light rain
 23° /14° 3.8 mm 4.7
3 Oct. Light rain
Light rain
 20° /14° 7.2 mm 4
4 Oct. Light rain
Light rain
 21° /13° 2.8 mm 4
5 Oct. Sunny
Sunny
 22° /13° 0.8 mm 4.5
6 Oct. Light rain
Light rain
 24° /14° 3.3 mm 4.4
7 Oct. Moderate rain
Moderate rain
 22° /15° 10.6 mm 4
8 Oct. Light rain
Light rain
 21° /14° 3.3 mm 4.2
9 Oct. Patchy rain possible
Patchy rain possible
 21° /14° 2.3 mm 4
10 Oct. Patchy rain possible
Patchy rain possible
 21° /12° 1.6 mm 4
11 Oct. Partly cloudy
Partly cloudy
 22° /12° 0.3 mm 4
12 Oct. Sunny
Sunny
 24° /15° 0 mm 3.9
13 Oct. Partly cloudy
Partly cloudy
 25° /15° 0.2 mm 3.8
14 Oct. Light rain
Light rain
 22° /15° 3.7 mm 3.8
15 Oct. Sunny
Sunny
 22° /14° 0.5 mm 3.7
16 Oct. Light rain
Light rain
 21° /14° 2.5 mm 3.6
17 Oct. Moderate rain
Moderate rain
 19° /13° 15.8 mm 3.5
18 Oct. Light rain
Light rain
 20° /13° 3.7 mm 3.5
19 Oct. Light rain
Light rain
 18° /13° 4.8 mm 3.4
20 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /12° 5.3 mm 3.3
21 Oct. Light rain
Light rain
 19° /11° 2.5 mm 3.2
22 Oct. Overcast
Overcast
 20° /11° 0.9 mm 3.2
23 Oct. Light rain
Light rain
 19° /12° 4.3 mm 3.1
24 Oct. Patchy rain possible
Patchy rain possible
 19° /11° 0.7 mm 3
25 Oct. Light rain
Light rain
 17° /11° 6.7 mm 3
26 Oct. Moderate rain
Moderate rain
 16° /11° 13 mm 2.9
27 Oct. Light rain
Light rain
 21° /12° 2.7 mm 2.5
28 Oct. Sunny
Sunny
 17° /7° 0.5 mm 2.7
29 Oct. Overcast
Overcast
 19° /7° 0 mm 2.4
30 Oct. Sunny
Sunny
 18° /7° 0 mm 2.7
31 Oct. Sunny
Sunny
 18° /6° 0 mm 5
Next
Important Notice
Our weather forecast for Donostia / 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 Donostia / San Sebastián forecast closer to your planned date for the most up-to-date weather information.
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Donostia / San Sebastián weather in October vs September vs November

Compare October weather in Donostia / San Sebastián with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
SeptemberOctoberNovember
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures23°/14°20°/13°15°/10°
Rainfall121 mm114 mm190 mm
Wind13.7 km/h15.6 km/h19.4 km/h
Humidity76%76%78%
Rainy days13 days13 days15 days
Dry days17 days18 days15 days

Planning a trip to Donostia / San Sebastián? Discover the best time to visit

Donostia / San Sebastián in October - FAQ

What are the expected maximum and minimum temperatures in Donostia / San Sebastián during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Donostia / San Sebastián during October?
Significant rainfall exceeding 113.7 mm is expected in Donostia / San Sebastián during October, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Donostia / San Sebastián during October?
The average wind speed in Donostia / San Sebastián during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Donostia / San Sebastián

Explore the daily rainfall trends and prepare for Donostia / San Sebastiáns October weather 💧
Typically, Donostia / San Sebastián has 13 rainy days in October with a total of 113.7 mm of rainfall.

UV exposure in Donostia / San Sebastián during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

What to pack to Donostia / San Sebastián in October?

🌦️ Mild · highs around 20 °C, frequent showers

As you prepare for your trip to Donostia / 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 Donostia / San Sebastián, during October, is comfortable and enjoyable, regardless of the weather conditions.

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Location coordinates 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.

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