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Weather in San Sebastián for January 2026

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

    Snow Forecast ❄️

  • Snowfall in San Sebastián during January is quite rare, with fewer than 2 snowy days on average.
    According to San Sebastián snow forecast for January 2026, 1 snowy day is expected until the end of the month at Tuesday, 27 January.

    • Temperatures

  • Until now, January 2026 in San Sebastián is slightly cooler than the historical average by -1.5 °C.

  • The forecast for the next days in San Sebastián predicts temperatures to be around 11 °C, close to the historical average.

  • In general, the average temperature in San Sebastián at the beginning of January is 12 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 10.1 °C by the end of January.

    • Rain 🌧️

  • San Sebastián experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 114.9 mm.

    • More

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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/7°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
77 %
Avg humidity

San Sebastián Weather January

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

Temperatures trend during January in San Sebastián

See the weather trend as well as the moving average line

January weather in San Sebastián day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
1 Jan. Overcast
Overcast
 12° /4° 0 mm 0 cm
2 Jan. Patchy light rain
Patchy light rain
 14° /7° 4.3 mm 0 cm
3 Jan. Patchy rain possible
Patchy rain possible
 12° /7° 6.8 mm 0 cm
4 Jan. Light drizzle
Light drizzle
 13° /6° 4.5 mm 0 cm
5 Jan. Light rain shower
Light rain shower
 11° /5° 8 mm 0 cm
6 Jan. Light rain shower
Light rain shower
 10° /4° 8.2 mm 0 cm
7 Jan. Patchy rain possible
Patchy rain possible
 12° /4° 6.3 mm 0 cm
8 Jan. Patchy rain possible
Patchy rain possible
 12° /7° 1.6 mm 0 cm
9 Jan. Patchy rain possible
Patchy rain possible
 12° /7° 4.1 mm 0 cm
10 Jan. Light rain
Light rain
 12° /7° 6.1 mm 0 cm
11 Jan. Light rain shower
Light rain shower
 11° /5° 3.2 mm 0 cm
12 Jan. Sunny
Sunny
 12° /5° 0 mm 0 cm
13 Jan. Light drizzle
Light drizzle
 12° /4° 0.5 mm 0 cm
14 Jan. Light rain shower
Light rain shower
 11° /5° 2.4 mm 0 cm
15 Jan. Light rain shower
Light rain shower
 13° /6° 2.7 mm 0 cm
16 Jan. Light rain
Light rain
 12° /6° 2.6 mm 0 cm
17 Jan. Light drizzle
Light drizzle
 13° /5° 0.5 mm 0 cm
18 Jan. Light rain shower
Light rain shower
 12° /6° 7.3 mm 0 cm
19 Jan. Patchy rain possible
Patchy rain possible
 11° /5° 3.6 mm 0 cm
20 Jan. Patchy rain possible
Patchy rain possible
 12° /3° 2.1 mm 0 cm
21 Jan. Moderate rain
Moderate rain
 15° /3° 5.9 mm 0 cm
22 Jan. Patchy rain possible
Patchy rain possible
 12° /4° 2.1 mm 0 cm
23 Jan. Moderate rain
Moderate rain
 12° /3° 6.3 mm 0 cm
24 Jan. Patchy rain possible
Patchy rain possible
 9° /3° 3.6 mm 0 cm
25 Jan. Patchy rain possible
Patchy rain possible
 14° /4° 0.4 mm 0 cm
26 Jan. Patchy rain possible
Patchy rain possible
 11° /5° 5 mm 0 cm
27 Jan. Moderate rain
Moderate rain
 9° /5° 12.9 mm 2.3 cm
28 Jan. Patchy rain possible
Patchy rain possible
 8° /4° 1.7 mm 0 cm
29 Jan. Patchy rain possible
Patchy rain possible
 9° /0° 0 mm 0 cm
30 Jan. Patchy rain possible
Patchy rain possible
 11° /0° 2.2 mm 0 cm
31 Jan. Patchy rain possible
Patchy rain possible
 9° /2° 3.5 mm 0 cm
Next
Important Notice
Our weather forecast for 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 San Sebastián forecast closer to your planned date for the most up-to-date weather information.
Change Month
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San Sebastián weather in January vs December vs February

Compare January weather in 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°13°/7°14°/8°
Rainfall76 mm115 mm114 mm
Wind13.4 km/h15 km/h15.7 km/h
Humidity79%77%79%
Rainy days16 days21 days14 days
Dry days15 days10 days15 days

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

San Sebastián in January - FAQ

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

During January, expect a variety of temperatures with highs around 13° and lows near 7°, suitable for diverse activities and preferences.

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

Significant rainfall exceeding 114.9 mm is expected in San Sebastián during January, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.

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

The average wind speed in San Sebastián during January is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to San Sebastián in January?

As you prepare for your trip to 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 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

San Sebastián snow forecast January 2026

Track daily snowfall levels and discover San Sebastián’s snowy potential this January ❄️

January rainfall patterns in San Sebastián

Explore the daily rainfall trends and prepare for San Sebastiáns January weather 💧
Typically, San Sebastián has 21 rainy days in January with a total of 114.9 mm of rainfall.

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Location coordinates Where is San Sebastián?

Get accurate weather forecasts for San Sebastián, located at latitude 43.567 and longitude -5.9. Stay updated with localized weather information tailored for San Sebastián.

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