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Weather in Donostia / San Sebastián for August 2025

Your guide to Donostia / San Sebastián weather in August - trends and predictions
  • In general, the average temperature in Donostia / San Sebastián at the beginning of August is 22.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.4 °C by the end of August.

  • Expect significant rainfall in Donostia / San Sebastián during August, with an average of 19 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/17°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Donostia / San Sebastián in August average weather

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Temperatures trend during August in Donostia / San Sebastián

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

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Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
23° /16° 0.6 mm 5
2 Aug. Patchy rain possible
Patchy rain possible
24° /17° 2.6 mm 6
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /16° 4.5 mm 5
4 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /15° 11.9 mm 5
5 Aug. Overcast
Overcast
23° /16° 0.9 mm 5
6 Aug. Patchy rain possible
Patchy rain possible
21° /16° 1.7 mm 5
7 Aug. Sunny
Sunny
23° /15° 0.4 mm 6
8 Aug. Sunny
Sunny
24° /15° 0 mm 6
9 Aug. Sunny
Sunny
29° /16° 0.2 mm 7
10 Aug. Partly cloudy
Partly cloudy
26° /16° 0.1 mm 7
11 Aug. Sunny
Sunny
32° /18° 0 mm 8
12 Aug. Patchy rain possible
Patchy rain possible
23° /17° 1.9 mm 5
13 Aug. Patchy rain possible
Patchy rain possible
23° /17° 4.6 mm 5
14 Aug. Patchy rain possible
Patchy rain possible
22° /17° 4.5 mm 5
15 Aug. Patchy rain possible
Patchy rain possible
22° /16° 4.9 mm 5
16 Aug. Patchy rain possible
Patchy rain possible
23° /17° 5.1 mm 5
17 Aug. Cloudy
Cloudy
24° /17° 0.2 mm 6
18 Aug. Patchy rain possible
Patchy rain possible
25° /17° 2.5 mm 6
19 Aug. Sunny
Sunny
25° /17° 0 mm 7
20 Aug. Partly cloudy
Partly cloudy
24° /16° 0.1 mm 7
21 Aug. Sunny
Sunny
24° /17° 1.9 mm 6
22 Aug. Sunny
Sunny
24° /17° 0 mm 7
23 Aug. Sunny
Sunny
30° /17° 0.1 mm 8
24 Aug. Patchy rain possible
Patchy rain possible
28° /18° 1.7 mm 7
25 Aug. Light rain shower
Light rain shower
20° /16° 3.6 mm 5
26 Aug. Light rain shower
Light rain shower
20° /15° 4.6 mm 5
27 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
23° /14° 12.2 mm 5
28 Aug. Torrential rain shower
Torrential rain shower
22° /16° 23.2 mm 6
29 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /17° 24 mm 4
30 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /16° 11 mm 5
31 Aug. Sunny
Sunny
25° /15° 7.4 mm 6
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Important Notice
Our weather forecast for Donostia / San Sebastián in August 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.

Donostia / San Sebastián in August - FAQ

What are the expected maximum and minimum temperatures in Donostia / San Sebastián during August?
During August, expect a variety of temperatures with highs around 23° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Donostia / San Sebastián during August?
Significant rainfall exceeding 187 mm is expected in Donostia / San Sebastián during August, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Donostia / San Sebastián during August?
The average wind speed in Donostia / San Sebastián during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Donostia / San Sebastián in August?

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

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable 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
    • Umbrellas/Raincoats: For rainy days

August rainfall patterns in Donostia / San Sebastián

Explore the daily rainfall trends and prepare for Donostia / San Sebastiáns August weather 💧

UV exposure in Donostia / San Sebastián during August

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

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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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