Donostia / San Sebastián
May
Weather in Donostia / San Sebastián for May 2025
Your guide to Donostia / San Sebastián weather in May - trends and predictions
In general, the average temperature in Donostia / San Sebastián at the beginning of May is 18.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.7 °C by the end of May.
Expect significant rainfall in Donostia / San Sebastián during May, with an average of 18 rainy days.
Is May a good time to visit Donostia / San Sebastián? check out the best time to travel to Donostia / San Sebastián page.
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13
Dry days
18
Rainy days
0
Snow days
19°/10°
Temperatures
15 km/h
Avg max wind
82 %
Avg humidity
Donostia / San Sebastián in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2  18° | 3  23° | 4 21° | |||
| 5  22° | 6 17° | 7 17° | 8 18° | 9  18° | 10  20° | 11 19° |
| 12 16° | 13 19° | 14 16° | 15 15° | 16 16° | 17 16° | 18 16° |
| 19 15° | 20 16° | 21 16° | 22 17° | 23 17° | 24 16° | 25 19° |
| 26 20° | 27 20° | 28 21° | 29 20° | 30 19° | 31 19° |
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Temperatures trend during May in Donostia / San Sebastián
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 14° /8° | 18.4 mm | 4 | |
| 2 May | Partly cloudy | 18° /6° | 0.9 mm | 5 | |
| 3 May | Cloudy | 23° /8° | 1.3 mm | 5 | |
| 4 May | Partly cloudy | 21° /12° | 1.8 mm | 6 | |
| 5 May | Sunny | 22° /11° | 1.9 mm | 6 | |
| 6 May | Patchy rain possible | 17° /10° | 2 mm | 4 | |
| 7 May | Patchy rain possible | 17° /10° | 3.2 mm | 4 | |
| 8 May | Partly cloudy | 18° /10° | 0.4 mm | 5 | |
| 9 May | Moderate or heavy rain shower | 18° /10° | 5.3 mm | 5 | |
| 10 May | Heavy rain at times | 20° /11° | 1.8 mm | 5 | |
| 11 May | Moderate or heavy rain shower | 19° /10° | 22.8 mm | 4 | |
| 12 May | Moderate or heavy rain shower | 16° /9° | 11.2 mm | 4 | |
| 13 May | Moderate or heavy rain shower | 19° /10° | 15.3 mm | 4 | |
| 14 May | Moderate or heavy rain shower | 16° /10° | 15.7 mm | 4 | |
| 15 May | Heavy rain at times | 15° /9° | 5.2 mm | 4 | |
| 16 May | Moderate or heavy rain shower | 16° /9° | 5.2 mm | 4 | |
| 17 May | Partly cloudy | 16° /9° | 4.1 mm | 5 | |
| 18 May | Patchy rain possible | 16° /9° | 1.7 mm | 4 | |
| 19 May | Patchy rain possible | 15° /11° | 13.6 mm | 4 | |
| 20 May | Heavy rain at times | 16° /10° | 8.1 mm | 4 | |
| 21 May | Patchy rain possible | 16° /10° | 2.8 mm | 4 | |
| 22 May | Patchy rain possible | 17° /10° | 2.1 mm | 4 | |
| 23 May | Heavy rain at times | 17° /11° | 4.2 mm | 4 | |
| 24 May | Patchy rain possible | 16° /10° | 1.8 mm | 4 | |
| 25 May | Moderate or heavy rain shower | 19° /11° | 2.8 mm | 4 | |
| 26 May | Patchy rain possible | 20° /10° | 0.5 mm | 5 | |
| 27 May | Sunny | 20° /12° | 0.9 mm | 5 | |
| 28 May | Patchy rain possible | 21° /11° | 0.1 mm | 5 | |
| 29 May | Cloudy | 20° /12° | 0 mm | 5 | |
| 30 May | Moderate rain at times | 19° /12° | 2.5 mm | 5 | |
| 31 May | Cloudy | 19° /13° | 1.2 mm | 5 | |
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Important Notice
Our weather forecast for Donostia / San Sebastián in May 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 May - FAQ
What are the expected maximum and minimum temperatures in Donostia / San Sebastián during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Donostia / San Sebastián during May?
Significant rainfall exceeding 308.9 mm is expected in Donostia / San Sebastián during May, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Donostia / San Sebastián during May?
The average wind speed in Donostia / San Sebastián during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Donostia / San Sebastián in May?
As you prepare for your trip to Donostia / San Sebastián in May, 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 May, 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
- 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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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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