Weather in San Sebastian in January 2025
- January is usually the coldest month of the year in San Sebastian;
Average weather
Average temperature in San Sebastian in January
Going from a maximum of +72°F during the day to a minimum of +32°F during the night, the temperature in January averages around +55°F.
The average maximum temperature goes down 50% by the end of the month, compared with the beginning of the month, from +72°F to +52°F.
Is San Sebastian warm or cold in January?
San Sebastian is typically mild in January.
Maximum temperatures go down compared to the previous month from +55°F to +54°F. The minimum temperature also goes up from +46°F to +45°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is the coldest month in San Sebastian, here is the comparison with other months:
Climate in San Sebastian in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +55°F | +54°F | +55°F | ||||
| Min. temperature | ||||||
| +21°F | +21°F | +23°F | ||||
| Max. temperature | ||||||
| +75°F | +73°F | +79°F | ||||
| Rainfall | ||||||
| 158 mm | 159 mm | 134 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 76% | 77% | 75% | ||||
| Air pressure | ||||||
| 1019 HPa | 1020 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 6 | 5 | 5 | ||||
| Cloudy days | ||||||
| 13 | 14 | 12 | ||||
| Rainy days | ||||||
| 12 | 12 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as ok as in December. It’s getting colder in January. From +55°F in the day, the average maximum temperature lowers to +54°F. Prepare for more rain. Average rainfall goes from 158 mm to 159 mm. Humidity rises from 76% to 77%. The average wind speed doesn’t change much during January, staying around 2 m/s. The days becoming less sunny, going from 6 sunny days in December to 5 in January.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Sebastian is gradually increasing during January, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last January in San Sebastian?
Climate Change Over the Years
The climate in San Sebastian in January has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+49°F) and the highest in 1996 (+61°F). The driest year was 1993 with only 9 mm of rainfall, and the wettest year was 2021 with 659 mm.
FAQ
Is January a good time to visit San Sebastian?
Can you sunbathe in San Sebastian in January?
Is San Sebastian rainy in January?
Is it sunny in San Sebastian in January?
Other cities in Spain
Monthly weather in San Sebastian
Source of the data
For this page, we’ve looked at the typical weather in San Sebastian, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.