Donostia / San Sebastián
August
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.
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12
Dry days
19
Rainy days
0
Snow days
23°/17°
Temperatures
15 km/h
Avg max wind
80 %
Avg humidity
Donostia / San Sebastián in August average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 24° | 3  22° | ||||
| 4 21° | 5  23° | 6 21° | 7  23° | 8 24° | 9 29° | 10  26° |
| 11 32° | 12 23° | 13 23° | 14 22° | 15 22° | 16 23° | 17  24° |
| 18 25° | 19 25° | 20 24° | 21 24° | 22 24° | 23 30° | 24 28° |
| 25 20° | 26 20° | 27 23° | 28  22° | 29 18° | 30 22° | 31 25° |
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Temperatures trend during August in Donostia / San Sebastián
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 23° /16° | 0.6 mm | 5 | |
| 2 Aug. | Patchy rain possible | 24° /17° | 2.6 mm | 6 | |
| 3 Aug. | Moderate or heavy rain shower | 22° /16° | 4.5 mm | 5 | |
| 4 Aug. | Moderate or heavy rain shower | 21° /15° | 11.9 mm | 5 | |
| 5 Aug. | Overcast | 23° /16° | 0.9 mm | 5 | |
| 6 Aug. | Patchy rain possible | 21° /16° | 1.7 mm | 5 | |
| 7 Aug. | Sunny | 23° /15° | 0.4 mm | 6 | |
| 8 Aug. | Sunny | 24° /15° | 0 mm | 6 | |
| 9 Aug. | Sunny | 29° /16° | 0.2 mm | 7 | |
| 10 Aug. | Partly cloudy | 26° /16° | 0.1 mm | 7 | |
| 11 Aug. | Sunny | 32° /18° | 0 mm | 8 | |
| 12 Aug. | Patchy rain possible | 23° /17° | 1.9 mm | 5 | |
| 13 Aug. | Patchy rain possible | 23° /17° | 4.6 mm | 5 | |
| 14 Aug. | Patchy rain possible | 22° /17° | 4.5 mm | 5 | |
| 15 Aug. | Patchy rain possible | 22° /16° | 4.9 mm | 5 | |
| 16 Aug. | Patchy rain possible | 23° /17° | 5.1 mm | 5 | |
| 17 Aug. | Cloudy | 24° /17° | 0.2 mm | 6 | |
| 18 Aug. | Patchy rain possible | 25° /17° | 2.5 mm | 6 | |
| 19 Aug. | Sunny | 25° /17° | 0 mm | 7 | |
| 20 Aug. | Partly cloudy | 24° /16° | 0.1 mm | 7 | |
| 21 Aug. | Sunny | 24° /17° | 1.9 mm | 6 | |
| 22 Aug. | Sunny | 24° /17° | 0 mm | 7 | |
| 23 Aug. | Sunny | 30° /17° | 0.1 mm | 8 | |
| 24 Aug. | Patchy rain possible | 28° /18° | 1.7 mm | 7 | |
| 25 Aug. | Light rain shower | 20° /16° | 3.6 mm | 5 | |
| 26 Aug. | Light rain shower | 20° /15° | 4.6 mm | 5 | |
| 27 Aug. | Moderate or heavy rain shower | 23° /14° | 12.2 mm | 5 | |
| 28 Aug. | Torrential rain shower | 22° /16° | 23.2 mm | 6 | |
| 29 Aug. | Moderate or heavy rain shower | 18° /17° | 24 mm | 4 | |
| 30 Aug. | Moderate or heavy rain shower | 22° /16° | 11 mm | 5 | |
| 31 Aug. | 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
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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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