Mundaka vs San Sebastián: which is better, month by month
San Sebastián beats Mundaka in 8 of 12 months — its lead peaks in December (63 vs 41) — while Mundaka wins August; they are within 3 points in June, July and September.
Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Mundaka vs San Sebastián — all 12 months
A month is a tie when the two are within 3 points. The widest gap is December (41 vs 63). Tap a month for that month's temperature, rain, humidity and air quality side by side.