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Weather in Donostia / San Sebastián for January 2026

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

    Official Weather Alert ⚠️

  • Yellow Coastal Event Warning - See hour by hour.

    • Temperatures

  • Until now, January 2026 in Donostia / San Sebastián is slightly cooler than the historical average by -1.4 °C.

  • Expect cooler weather in the next days in Donostia / San Sebastián with the forecast suggesting a temperature of 11.4 °C, lower than the historical average.

  • In general, the average temperature in Donostia / San Sebastián at the beginning of January is 12 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 12.3 °C by the end of January.

    • Rain 🌧️

  • Donostia / San Sebastián experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 137.3 mm.

    • More

  • Is January 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
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/6°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Donostia / San Sebastián Weather January

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

Temperatures trend during January in Donostia / San Sebastián

See the weather trend as well as the moving average line

January weather in Donostia / San Sebastián day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Partly cloudy
Partly cloudy
 14° /6° 0 mm 3
2 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /6° 1.8 mm 3
3 Jan. Sunny
Sunny
 11° /6° 4.3 mm 3
4 Jan. Partly cloudy
Partly cloudy
 12° /6° 0.2 mm 3
5 Jan. Partly cloudy
Partly cloudy
 11° /5° 8.2 mm 3
6 Jan. Light rain shower
Light rain shower
 11° /5° 11.9 mm 2
7 Jan. Light rain shower
Light rain shower
 11° /5° 8.8 mm 2
8 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /7° 5.5 mm 2
9 Jan. Patchy rain possible
Patchy rain possible
 11° /6° 8.5 mm 2
10 Jan. Partly cloudy
Partly cloudy
 12° /6° 4.5 mm 3
11 Jan. Light rain shower
Light rain shower
 11° /6° 5.2 mm 2
12 Jan. Partly cloudy
Partly cloudy
 12° /5° 0.3 mm 2
13 Jan. Patchy rain possible
Patchy rain possible
 12° /5° 0.1 mm 3
14 Jan. Partly cloudy
Partly cloudy
 13° /6° 0.4 mm 3
15 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /5° 6.4 mm 2
16 Jan. Patchy rain possible
Patchy rain possible
 11° /6° 11.8 mm 2
17 Jan. Moderate rain at times
Moderate rain at times
 12° /6° 6.9 mm 3
18 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /5° 7.3 mm 3
19 Jan. Heavy rain at times
Heavy rain at times
 10° /3° 6.4 mm 2
20 Jan. Patchy rain possible
Patchy rain possible
 10° /3° 1.2 mm 2
21 Jan. Overcast
Overcast
 11° /3° 2.6 mm 2
22 Jan. Partly cloudy
Partly cloudy
 12° /5° 3 mm 3
23 Jan. Light rain shower
Light rain shower
 12° /6° 4.6 mm 2
24 Jan. Patchy rain possible
Patchy rain possible
 11° /5° 2.6 mm 2
25 Jan. Light rain shower
Light rain shower
 11° /4° 6 mm 2
26 Jan. Moderate rain at times
Moderate rain at times
 12° /6° 3.4 mm 3
27 Jan. Moderate rain at times
Moderate rain at times
 13° /5° 11.9 mm 3
28 Jan. Patchy rain possible
Patchy rain possible
 10° /5° 4.8 mm 2
29 Jan. Moderate rain
Moderate rain
 15° /4° 12.2 mm 0.3
30 Jan. Moderate rain
Moderate rain
 13° /5° 12.1 mm 0.2
31 Jan. Patchy rain possible
Patchy rain possible
 12° /6° 4.5 mm 0.2
Next
Important Notice
Our weather forecast for Donostia / San Sebastián in January 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 January vs December vs February

Compare January 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.
DecemberJanuaryFebruary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures13°/7°11°/6°13°/6°
Rainfall170 mm137 mm101 mm
Snowfall0 cm0 cm0 cm
Wind18.8 km/h19 km/h16 km/h
Humidity80%78%78%
Rainy days22 days23 days19 days
Snow days0 days0 days0 days
Dry days9 days8 days10 days

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

Donostia / San Sebastián in January - FAQ

What are the expected maximum and minimum temperatures in Donostia / San Sebastián during January?

During January, expect a variety of temperatures with highs around 11° and lows near 6°, suitable for diverse activities and preferences.

How much rainfall should be expected in Donostia / San Sebastián during January?

Significant rainfall exceeding 137.3 mm is expected in Donostia / San Sebastián during January, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Donostia / San Sebastián in January 2026?

Donostia / San Sebastián typically sees 0.0366667 cm of snowfall during January.

What are the typical wind conditions in Donostia / San Sebastián during January?

The average wind speed in Donostia / San Sebastián during January is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

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

Explore the daily rainfall trends and prepare for Donostia / San Sebastiáns January weather 💧
Typically, Donostia / San Sebastián has 23 rainy days in January with a total of 137.3 mm of rainfall.

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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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