Warm Sea Without Extreme Heat: 8 Beach Destinations With Comfortable Weather
Love warm seawater but not extreme heat? Compare eight beach destinations where the sea stays warm while daytime temperatures remain comfortable.
In San Sebastián, January brings moderate daytime temperatures around 12°C (54°F), with nights cooling to 7°C (45°F). Expect quite a bit of rainfall this month.
January in San Sebastián has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Pick a month to see the average temperature, rainfall and sunshine in San Sebastián - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in San Sebastián typically stay consistent throughout January, with daily highs averaging around 12°C (54°F). Nights are cold, with lows around 5°C (41°F).
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for San Sebastián spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in San Sebastián between 1976 and 2025, these are the recorded extremes during January.
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full San Sebastián climate overview or explore weather in Spain.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Warm Sea Without Extreme Heat: 8 Beach Destinations With Comfortable Weather
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Visit national Park El Teide
This national park is truly a unique place that you should not miss. You will find landscapes that seem to come from another plane and you will feel tiny in these impressive surroundings.