Peniche (Baleal) weather in May

May in Peniche: nice, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Peniche🇵🇹 Portugal · Lisbon & Central Portugal · Beach81
  1. 63Jan
  2. 68Feb
  3. 72Mar
  4. 77Apr
  5. 81May
  6. 86Jun
  7. 87Jul
  8. 87Aug
  9. 85Sep
  10. 77Oct
  11. 66Nov
  12. 62Dec

#5 of 12 months in Peniche · #707 of 1413 destinations to visit in May · comfort 81/100 (tier A)

Days
20°C
Nights
15°C
Wet days
5
Sun
12.2 h
Humidity
77%
Daylight
14 h
Peniche, Portugal
Photo: Vadym Alyekseyenko · Pexels

Traveller notes on Peniche in May

Notes from nearby Nazaré (38 km away)

Peniche doesn't have its own notes for May yet — these are about Nazaré, close enough to share the season.

Regulars are specific this beach town along Portugal's west coast doesn't get genuinely lively until summer proper, still fairly quiet through May and early June even though it's never completely dead. Our row backs that mild, genuinely wet read, 21.4C over 13.3C nights feeling 11C, with 45.9mm of rain across 6.6 days and a real 22.4 kph wind. Regulars are consistent the west coast's weather here stays genuinely unpredictable regardless of the calendar, a layer for wind and a possible shower worth packing even on a trip planned around sun. The sea sits at a cold 16.5C, still too bracing for most swimmers this early. The record: 12.1 hours of sun, humidity 77 percent and AQI 50.
QuietUntilSummerUnpredictableWestCoast · May · 1 month ago · about Nazaré · Read more on Tripadvisor ↗

Other months in Peniche

There isn't much Peniche-specific forum detail for January, but Portugal's broader threads sketch the range this stretch of coast falls into: wetter and greyer up north around Porto, milder and sunnier down in the Algarve, with daytime temperatures nationally landing somewhere in the mid-teens C and evenings turning chilly fast once the sun sets around 5:30pm. Peniche's own numbers put it toward the milder, drier end of that spread - still a proper Atlantic winter, but not the grey, near-constant rain some posters describe further north. The town's famous coastal wind is worth packing for regardless of the rain forecast.
PortugueseCentralCoastRegular · January · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe July surf conditions as ideal for beginners - generally small, manageable waves and pleasant water temperatures, with Baleal (a small town just outside Peniche) named as the real center of the area's surf scene, where the large majority of surf lessons and sessions actually happen. Posters are consistent July is genuinely one of the busiest, most touristy months on this stretch of coast, with beaches getting packed and accommodation booking up well in advance - a pattern posters say holds across the whole Peniche-Ericeira-west-Algarve surf coast, not just Peniche itself. On temperature, posters describe comfortable, warm summer days overall, with occasional hotter spikes rather than sustained extreme heat.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

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

Peniche climate normals — May

Daytime high20°C / 67°F😎 nice
Nighttime low15°C / 58°F
Feels like (high)19°C / 66°F
Sea temperature16°C / 62°F🧊 bracing
Rainfall36 mm / 1.4 in🌦 some rain
Rainy days5 days
Humidity77%💦 very humid
Dew point13°C / 55°F
Sunshine12.2 h/day
Daylight14.3 h
Wind24 km/h / 15 mph
Air quality (US AQI)41🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Peniche in May

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.

Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Peniche's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherPeniche's weather peaks June–August, best around July.

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Best weatherFair weatherToughest weather

What's on in Peniche in May

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Opening

    Berlengas boat season

    1 May – 30 Sep · usuallySummer season opensBook early

    The nature reserve caps the island at 550 visitors at a time and the daily crossings only run through the summer, weather permitting. Book the pass and the boat together, and expect cancellations on a rough morning. Source ↗

  • Season

    Nortada afternoons

    1 May – 30 SepWind seasonRisk

    The peninsula sticks far enough west that the summer north wind hits it hard from midday. Baleal and the north-facing beaches get chopped out; the south side under the wall stays sheltered.

What's on around the world in May →

Nearby, and something's on

Within 300 km of Peniche — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Peniche?

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Peniche in May — FAQ

Is May a good time to visit Peniche?
May in Peniche: nice, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Peniche on SeasonMap's comfort score (81/100).
What is the weather like in Peniche in May?
In May, Peniche averages a daily high of 19.6°C and a low of 14.5°C, with about 36.3 mm of rain over roughly 4.8 rainy days.
What is the air quality in Peniche in May?
Peniche has a mean US Air Quality Index of about 41 in May.

Within 300 km: Lisbon's Jacaranda bloom around 15 May – 20 Jun, and Évora's Cork stripping around 15 May – 31 Aug.