San Sebastián weather in January
San Sebastián in January averages 9°C (48°F), 166 mm of rain and 2.5 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in San Sebastián, January is the coldest, the third wettest and the second dullest.
- Average temp
- 9°C (48°F)
5–13°C · 41–56°F
- Rainfall
- 166 mm
A wet month
- Sunshine
- 2.5 h
hours per day
What is San Sebastián like in January?
Daytime
Days are cool.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for San Sebastián in January?
A proper waterproof, not a folding umbrella
166 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
A warm mid-layer
Nights drop to around 5°C (41°F).
January compared with December and February
January in San Sebastián is 0.7°C cooler than December and 12 mm drier than it, which averages 10°C (50°F).
January in San Sebastián is 0.5°C cooler than February and 23 mm wetter than it, which averages 10°C (49°F).
Daylight in San Sebastián in January
On 15 January the sun is up for 9 hours 19 minutes in San Sebastián, rising about 08:37 and setting about 17:56 local time.
January ends 50 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 6 hours 4 minutes short of June, the longest-lit month here.
Where to stay in San Sebastián
Dates are a starting point for January.
Travel guides for San Sebastián
What to read before you book.
San Sebastián weather by month
TemperatureRainfall
How January compares with the rest of the year
January is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 9°C / 48°F | 166 mm |
| February | 10°C / 49°F | 143 mm |
| March | 12°C / 54°F | 127 mm |
| April | 13°C / 56°F | 147 mm |
| May | 17°C / 62°F | 133 mm |
| June | 19°C / 67°F | 106 mm |
| July | 21°C / 70°F | 97 mm |
| August | 22°C / 71°F | 110 mm |
| September | 20°C / 67°F | 146 mm |
| October | 17°C / 62°F | 166 mm |
| November | 12°C / 54°F | 224 mm |
| December | 10°C / 50°F | 179 mm |
Similar weather in January
Other destinations whose January averages sit close to this one.
Check another month
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FAQs about San Sebastián in January
January climate averages for San Sebastián, 1991–2020.
San Sebastián averages 9°C (48°F) in January, ranging from about 5°C (41°F) at night to 13°C (56°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. January brings about 166 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
No. January averages 9°C (48°F) against 10°C (49°F) in February — 0.5°C cooler.
January is 0.7°C cooler than December, and 12 mm drier.
It is outside the easiest window. The most comfortable stretch here is May to October; January sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 2.5 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what January is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 19 minutes of daylight in mid-January, against 15 hours 23 minutes in June and 8 hours 59 minutes in December.
On 15 January, sunrise is about 08:37 and sunset about 17:56 local time. Both shift across the month — the month ends 50 minutes longer than it starts.
