Manuel Antonio (Quepos) weather in May

May in Manuel Antonio: hot, soaked, with clean air — a gamble, with 31 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Manuel Antonio🇨🇷 Costa Rica · Costa Rica & Panama · Beach62
  1. 82Jan
  2. 88Feb
  3. 86Mar
  4. 69Apr
  5. 62May
  6. 59Jun
  7. 57Jul
  8. 58Aug
  9. 56Sep
  10. 53Oct
  11. 61Nov
  12. 70Dec

#6 of 12 months in Manuel Antonio · #1147 of 1413 destinations to visit in May · comfort 62/100 (tier C)

Days
27°C
Nights
22°C
Wet days
31
Sun
8 h
Humidity
92%
Daylight
13 h
Manuel Antonio, Costa Rica
Photo: Costa Rica Drone Tours · Pexels

Traveller notes on Manuel Antonio in May

Notes from nearby Monteverde (125 km away)

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

Monteverde-forum threads asking if the rainy season is tolerable get a consistent yes, posters describing rain as far less disruptive inside the cloud forest reserve itself, where the dense canopy offers real cover from all but the heaviest downpours. Evenings are called genuinely cool, into the 50s Fahrenheit, and posters are consistent that damp plus cool at elevation feels noticeably colder than the number alone suggests, a fleece under a proper rain shell the standard combination. Big downpours are real and worth planning for, ponchos recommended over umbrellas given the wind that often comes with heavier systems. Regulars call May a genuine transition month - greener, mistier and quieter than the sunnier high-season peak, with forest wildlife activity several posters call noticeably better once the rains properly return. The record: 25.1C days feeling like a punishing 28C, 18.4C nights, an extraordinarily high 251mm across over 23 days and 83 percent humidity.
CloudForestMayRegular · May · 1 month ago · about Monteverde · Read more on Tripadvisor ↗

Other months in Manuel Antonio

Manuel Antonio's forum describes a fairly consistent August rhythm: clear, pleasant mornings, thunder rolling in over the mountains by early-to-mid afternoon, and rain arriving anywhere from 4 to 6pm that can continue into the night or clear up fast - though posters admitted the exact timing varies day to day and forecasts aren't reliable. The first half of the month tends to be somewhat less rainy than the back half. It's hot, humid and genuinely one of the wettest stretches of the year here, but the payoff repeated by multiple visitors is how lush and green everything gets - worth planning mornings for outdoor time and afternoons for a siesta.
QueposPacificCoastRegular · August · 1 month ago · Read more on Tripadvisor ↗
Forum posters name February as the hottest month of the year here - typically 90-97F in the jungle, occasionally hotter right on the beach - and call it peak season for good reason, with humidity staying high (70%+) under blue skies dotted with big white clouds. Posters describe February as Manuel Antonio's driest month by local standards, though this is still a rainforest climate with real, near-daily rain even at its driest - the honest framing is 'least wet' rather than genuinely dry, since afternoon showers remain a common feature even in February, just shorter and less frequent than the region's true wet season (May-November). Posters are also emphatic that online weather forecasts for this area are essentially useless - conditions shift too fast and locally to trust anything beyond the broad seasonal pattern.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

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

Manuel Antonio climate normals — May

Daytime high27°C / 81°F🥵 hot
Nighttime low22°C / 72°F
Feels like (high)33°C / 91°F
Sea temperature31°C / 88°F♨️ bath-warm
Rainfall736 mm / 29 in⛈ soaked
Rainy days31 days
Humidity92%💦 very humid
Dew point23°C / 74°F
Sunshine8 h/day
Daylight12.6 h
Wind9 km/h / 6 mph
Air quality (US AQI)37🍃 good

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

Crowds in Manuel Antonio 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 seasonan ordinary month(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Manuel Antonio'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 weatherManuel Antonio's weather peaks January–March, best around February.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Manuel Antonio in May

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

  • Rule

    Park closed Tuesdays, tickets online

    1 Jan – 31 DecClosuresBook early

    Manuel Antonio shuts one day a week and sells entry only through the SINAC site, in numbered time slots. Turning up at the gate with cash does not work, and the early slots go first in the high season. Source ↗

  • Season

    Wet season

    MonsoonRisk

    31 rainy days and about 736 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in May →

Nearby, and something's on

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

Where is Manuel Antonio?

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Manuel Antonio in May — FAQ

Is May a good time to visit Manuel Antonio?
May in Manuel Antonio: hot, soaked, with clean air — a gamble, with 31 rainy days. It ranks #6 of 12 months for Manuel Antonio on SeasonMap's comfort score (62/100).
What is the weather like in Manuel Antonio in May?
In May, Manuel Antonio averages a daily high of 27°C and a low of 22.2°C, with about 735.6 mm of rain over roughly 30.7 rainy days.
What is the air quality in Manuel Antonio in May?
Manuel Antonio has a mean US Air Quality Index of about 37 in May.

Within 300 km: Tortuguero's Leatherback nesting around 1 Mar – 31 May, and Boquete's Quetzal nesting season around 1 Feb – 30 Jun.