San Sebastian Weather in December
Spain · 30-year monthly averages
⚠️ Challenging time to visit
December in San Sebastian is chilly, with average daytime highs around 12°C (54°F) and nighttime lows near 7°C (44°F). Expect roughly 153mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
Avg high
12°C
54°F
Avg low
7°C
44°F
Rainfall
153mm
rainy
Rainy days
13
days with ≥1mm
☀️ About 94 hours of sunshine over the month (~3h/day).
🎒 What to pack
- jacket or coat
- long-sleeve layers
- compact umbrella or rain jacket
December vs the rest of the year
FAQ
- How hot is San Sebastian in December?
- December in San Sebastian is chilly, with average daytime highs around 12°C (54°F) and nighttime lows near 7°C (44°F). Expect roughly 153mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
- Does it rain a lot in San Sebastian in December?
- San Sebastian sees around 153mm of precipitation in December on average — rainy by global standards.
- Is December a good time to visit San Sebastian?
- December is a challenging month to visit San Sebastian weather-wise — plan around the conditions.