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 →

Mundaka🇪🇸 Spain · Green Spain & Northern Portugal · Beach91
  1. 42Jan
  2. 59Feb
  3. 64Mar
  4. 70Apr
  5. 76May
  6. 82Jun
  7. 91Jul
  8. 88Aug
  9. 84Sep
  10. 67Oct
  11. 44Nov
  12. 41Dec

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, Spain
Photo: Mikel Arrazola · CC BY 3.0 es

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.

MonthScoreTierHighRainSunCrowdsOn
Jan42F12°C16 d5 hBusy1
Feb59D15°C11 d7 hShoulder1
Mar64C16°C16 d9 hPeak1
Apr70B17°C15 d9 hPeak1
May76B19°C14 d11 hShoulder—
Jun82A22°C15 d11 hPeak1
Jul91S24°C11 d12 hPeak2
Aug88A24°C12 d11 hPeak1
Sep84A24°C13 d10 hPeak1
Oct67C21°C14 d8 hShoulder1
Nov44F16°C19 d6 hQuiet2
Dec41F14°C16 d5 hBusy1

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.

March
  • Semana Santa29 Mar – 6 AprHoliday
June
  • Fiestas de San Pedro24 Jun – 6 Jul (usually)Festival
July
  • Summer beach season1 Jul – 15 Sep (usually)Season
October
  • Mundaka left season1 Oct – 28 Feb (usually)Season
November
  • Santa Katalina25 NovFestival

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)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Traveller notes on Mundaka

What people who have been say about the place — the year-round notes first, then month by month.

Mundaka-forum reviews describe October as the real start of the Basque coast's main surf season: the legendary left-hand rivermouth wave begins waking up as autumn swells arrive, water still holds late-summer warmth even as air temperatures cool, and the point stays workable across a wide four-to-eight-foot range with fewer crowds than the peak November-December months. Weather-wise, visitor accounts are candid that this quaint fishing town's charm doesn't always come with good weather - one reviewer flatly says the weather was poor during their stay, rain included, while still calling the visit worthwhile for the views and the town itself. The general pattern regulars describe is a genuinely wet autumn, showers arriving without much warning even between swell-watching sessions. The record: 21C days, 13.8C nights, a notably high 134mm across 14 days, a 20.4C sea, 74 percent humidity and just 7.5 hours of sun - a wet, cloudy month that matches the mixed-weather reviews closely.
MundakaOctoberRegular · October · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Mundaka's card on the map.