Weather in Donostia / San Sebastián for January 2026
- In general, the average temperature in Donostia / San Sebastián at the beginning of January is 13 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 11.9 °C by the end of January. 
- Donostia / San Sebastián experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 137.3 mm. 
- Is January a good time to visit Donostia / San Sebastián? check out the best time to travel to Donostia / San Sebastián page. 
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Donostia / San Sebastián Weather January
Temperatures trend during January in Donostia / San Sebastián
January weather in Donostia / San Sebastián day by day
| Date | Weather | Temperatures | Rain | UV | More | 
|---|---|---|---|---|---|
| 1 Jan. | Partly cloudy | 14° /7° | 0 mm | 4 | |
| 2 Jan. | Moderate or heavy rain shower | 14° /7° | 1.8 mm | 3 | |
| 3 Jan. | Sunny | 12° /7° | 1.9 mm | 3 | |
| 4 Jan. | Partly cloudy | 14° /8° | 0.2 mm | 4 | |
| 5 Jan. | Partly cloudy | 13° /7° | 10.9 mm | 3 | |
| 6 Jan. | Light rain shower | 12° /7° | 13.4 mm | 3 | |
| 7 Jan. | Heavy rain at times | 12° /6° | 10.1 mm | 3 | |
| 8 Jan. | Moderate or heavy rain shower | 11° /8° | 6.6 mm | 3 | |
| 9 Jan. | Patchy rain possible | 11° /5° | 3 mm | 3 | |
| 10 Jan. | Partly cloudy | 13° /6° | 0.8 mm | 4 | |
| 11 Jan. | Light rain shower | 10° /6° | 7 mm | 3 | |
| 12 Jan. | Overcast | 11° /4° | 0.4 mm | 3 | |
| 13 Jan. | Patchy rain possible | 11° /4° | 0.1 mm | 3 | |
| 14 Jan. | Partly cloudy | 13° /5° | 0.3 mm | 4 | |
| 15 Jan. | Moderate or heavy rain shower | 11° /5° | 7.3 mm | 3 | |
| 16 Jan. | Moderate or heavy rain shower | 10° /5° | 15.5 mm | 2 | |
| 17 Jan. | Moderate rain at times | 13° /6° | 4.3 mm | 4 | |
| 18 Jan. | Moderate or heavy rain shower | 10° /5° | 7.3 mm | 3 | |
| 19 Jan. | Heavy rain at times | 9° /3° | 8.2 mm | 2 | |
| 20 Jan. | Patchy rain possible | 9° /2° | 1.3 mm | 3 | |
| 21 Jan. | Overcast | 11° /3° | 1.2 mm | 3 | |
| 22 Jan. | Partly cloudy | 12° /5° | 2.3 mm | 3 | |
| 23 Jan. | Patchy rain possible | 12° /6° | 3.8 mm | 3 | |
| 24 Jan. | Patchy rain possible | 12° /6° | 0.8 mm | 3 | |
| 25 Jan. | Patchy rain possible | 11° /5° | 5.8 mm | 3 | |
| 26 Jan. | Moderate rain at times | 13° /6° | 2.8 mm | 3 | |
| 27 Jan. | Moderate rain at times | 13° /6° | 7.6 mm | 3 | |
| 28 Jan. | Patchy rain possible | 11° /6° | 3.8 mm | 3 | |
| 29 Jan. | Patchy rain possible | 11° /6° | 0.9 mm | 3 | |
| 30 Jan. | Cloudy | 12° /5° | 6.7 mm | 3 | |
| 31 Jan. | Patchy rain possible | 12° /6° | 0.9 mm | 3 | |
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Donostia / San Sebastián weather in January vs December vs February
| December | January | February | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible | 
| Temperatures | 13°/7° | 11°/6° | 13°/6° | 
| Rainfall | 170 mm | 137 mm | 101 mm | 
| Snowfall | 0 cm | 0 cm | 0 cm | 
| Wind | 18.8 km/h | 19 km/h | 16 km/h | 
| Humidity | 80% | 78% | 78% | 
| Rainy days | 22 days | 23 days | 19 days | 
| Snow days | 0 days | 0 days | 0 days | 
| Dry days | 9 days | 8 days | 10 days | 
Planning a trip to Donostia / San Sebastián? Discover the best time to visit
Donostia / San Sebastián in January - FAQ
What to pack to Donostia / San Sebastián in January?
As you prepare for your trip to Donostia / San Sebastián in January, 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 January, 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
 
January rainfall patterns in Donostia / San Sebastián
Quick links
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.