Puerto Viejo (Puerto Viejo de Talamanca) weather in October
October in Puerto Viejo: sweltering, soaked, with clean air — a gamble, with 30 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#9 of 12 months in Puerto Viejo · #1154 of 1413 destinations to visit in October · comfort 60/100 (tier C)
- Days
- 28°C
- Nights
- 23°C
- Wet days
- 30
- Sun
- 8.1 h
- Humidity
- 88%
- Daylight
- 12 h

Traveller notes on Puerto Viejo in October
Notes from nearby Bocas del Toro (66 km away)
Puerto Viejo doesn't have its own notes for October yet — these are about Bocas del Toro, close enough to share the season.
Bocas del Toro-forum threads on October weather call it, somewhat counterintuitively, one of the drier and calmer months of the year - forecasts often show a high chance of rain on paper, but posters describe actual rainfall as brief, mostly overnight, rarely more than a short daytime drizzle. Seas stay calm with almost no swell or wind, making it a strong month specifically for diving and snorkeling out to the far-flung cays. Tourism runs genuinely low this time of year, which regulars frame as an upside - quiet beaches, better rates, and no crowds at the popular swimming holes. The trade-off for the calm seas and thin crowds is humidity that stays high basically all day, every day, regardless of whether it's actively raining. The record backs the wetter reality behind the calm-seas reputation: 28.2C days feeling like a sticky 34C, 23.9C nights, a notably high 291mm across 26.6 days, 87 percent humidity, just 8.1 hours of sun and a 31.2C sea.
Other months in Puerto Viejo
Puerto Viejo's forum consistently rates August as better than the genuinely wet June-July stretch on the Caribbean coast, with the back half of the month described as noticeably improving as September - reportedly the driest, sunniest month here - approaches. That framing is relative, though: some rain most days is still the norm this time of year, and posters were honest that Caribbean-side weather stays genuinely unpredictable regardless of the calendar. Hot and humid is the constant, with the real variable being how much of each day gets interrupted by a shower.
Forum posters describe February as genuinely variable here - some visitors get a good run of sunny days mixed with a few cloudy, showery ones, while others land mostly sunny and dry throughout their stay, with no reliable way to predict which in advance. Posters are consistent that the Caribbean side of Costa Rica, where Puerto Viejo sits, gets real rain year-round unlike the more clearly seasonal Pacific coast, with local experience suggesting roughly 65% of rain falls at night and most daytime rain is a short shower rather than an all-day event. Posters generally rate the destination higher for wildlife and rainforest activities than for guaranteed beach-lounging weather, given the real chance of a rainier-than-hoped stretch even in the relatively better dry season.
Add your own note from Puerto Viejo's card on the map.
Puerto Viejo climate normals — October
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Puerto Viejo in October
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.
BusyLimón Carnival(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Puerto Viejo'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 weatherPuerto Viejo's weather peaks January–March.
Best weatherFair weatherToughest weather
What's on in Puerto Viejo in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Caribbean calm season
1 Sep – 31 Oct · usuallyDry seasonWhile the Pacific side is at its wettest, the southern Caribbean often gets its calmest spell: flatter seas, clearer water for snorkelling at Cahuita and the lowest room prices of the year. Source ↗
- Nature
Raptor migration over Kèköldi
15 Sep – 15 Nov · usuallyWildlife seasonMillions of hawks, kites and vultures funnel along the Talamanca coast on their way south, peaking in October. The count site in the Kèköldi indigenous reserve just outside town takes visitors. Source ↗
- Festival
Limón Carnival
5–20 Oct · usuallyCrowdedAbout an hour up the coast in Limón, a week of calypso, parades and street food around Día de las Culturas on 12 October. Buses along the coast fill and Limón hotels book out. Source ↗
- Season
Wet season
MonsoonRisk30 rainy days and about 463 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Puerto Viejo — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Puerto Viejo?
Puerto Viejo in October — FAQ
- Is October a good time to visit Puerto Viejo?
- October in Puerto Viejo: sweltering, soaked, with clean air — a gamble, with 30 rainy days. It ranks #9 of 12 months for Puerto Viejo on SeasonMap's comfort score (60/100).
- What is the weather like in Puerto Viejo in October?
- In October, Puerto Viejo averages a daily high of 27.8°C and a low of 22.7°C, with about 462.6 mm of rain over roughly 29.5 rainy days.
- What is the air quality in Puerto Viejo in October?
- Puerto Viejo has a mean US Air Quality Index of about 22 in October.
Within 300 km: Bocas del Toro's Sea turtle nesting around 1 Mar – 31 Oct, and Tortuguero's Green turtle nesting on 1 Jul – 31 Oct.