Mundaka weather by month
The best time to visit Mundaka is July to September — 91/100 in July, 24°C and 11 rainy days. The best season is summer, June to August (87/100 on average).
The worst month is December at 41/100 — cool, soaked, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Spain →
Best season: June to August (87/100 on average) · worst December (41/100)
- Days
- 24°C
- Nights
- 17°C
- Wet days
- 11
- Sun
- 12.3 h
- Humidity
- 76%
- Daylight
- 15 h

Mundaka, month by month
Comfort score out of 100 for the kind of trip Mundaka is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Mundaka through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Mundaka in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsFiestas de San Pedro, Summer beach season, Summer holidays in Spain(estimated)
Peak crowdsBusyShoulder seasonQuiet