Morro de São Paulo weather in October

October in Morro de São Paulo: hot, rainy, with clean air — fine if you can take 21 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Morro de São Paulo🇧🇷 Brazil · Northeast Brazil · Island88
  1. 87Jan
  2. 89Feb
  3. 87Mar
  4. 82Apr
  5. 81May
  6. 83Jun
  7. 85Jul
  8. 86Aug
  9. 89Sep
  10. 88Oct
  11. 85Nov
  12. 89Dec

#4 of 12 months in Morro de São Paulo · #209 of 1413 destinations to visit in October · comfort 88/100 (tier A)

Days
27°C
Nights
23°C
Wet days
21
Sun
10.7 h
Humidity
81%
Daylight
12 h
Morro de São Paulo, Brazil
Photo: Kaio Cardim · Pexels

Traveller notes on Morro de São Paulo in October

Other months in Morro de São Paulo

Brazil forum threads describe January as the heart of Southern Hemisphere summer, and posters were consistent that outside the Amazon proper, rain here tends to pass quickly rather than settle in for extended stretches. Morro de São Paulo specifically was repeatedly recommended alongside nearby Bahia beach towns as a good January pick, with one traveler reporting two full weeks of sun on a January/February Brazil trip that included stops in this region. The general read across threads: January weather is genuinely favorable for this stretch of coast, though posters acknowledged year-to-year variability means it's not a guaranteed sure thing.
BahiaCoastBrazilRegular · January · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe Morro de Sao Paulo as having a humid tropical climate with no true dry season - rain is possible essentially year-round - though September through December are named as the comparatively least-rainy stretch. January still falls within the island's high season (roughly September through March), and posters are candid that a rainy day here is a real inconvenience since there's little to do indoors on the small, mostly car-free island if the weather turns. The typical pattern in Brazil's summer described by posters is strong showers concentrated at the end of the day rather than constant, all-day rain, so outdoor beach time in the morning and early afternoon is generally still workable even during a wetter stretch of the month.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

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Morro de São Paulo climate normals — October

Daytime high27°C / 81°F🥵 hot
Nighttime low23°C / 74°F
Feels like (high)31°C / 88°F
Sea temperature27°C / 81°F😎 warm sea
Rainfall87 mm / 3.4 in🌧 rainy
Rainy days21 days
Humidity81%💦 very humid
Dew point21°C / 71°F
Sunshine10.7 h/day
Daylight12.4 h
Wind17 km/h / 11 mph
Air quality (US AQI)35🍃 good

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

Crowds in Morro de São Paulo 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.

Shoulder seasonan ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Morro de São Paulo'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 weatherMorro de São Paulo's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Morro de São Paulo in October

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

  • Rule

    Island arrival fee

    1 Jan – 31 Dec

    Cairu charges everyone landing in the Tinharé archipelago a preservation tariff, paid at the quay or in advance through the council's app. It went from R$70 to R$90 in August 2026. Source ↗

  • Nature

    Humpback whale season

    15 Jul – 5 Nov · usually

    Humpbacks come up the Bahia coast to calve, and boats from the island go out looking for them a few mornings a week. It is the best reason to come in the quiet months. Source ↗

What's on around the world in October →

Nearby, and something's on

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

Where is Morro de São Paulo?

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Morro de São Paulo in October — FAQ

Is October a good time to visit Morro de São Paulo?
October in Morro de São Paulo: hot, rainy, with clean air — fine if you can take 21 rainy days. It ranks #4 of 12 months for Morro de São Paulo on SeasonMap's comfort score (88/100).
What is the weather like in Morro de São Paulo in October?
In October, Morro de São Paulo averages a daily high of 27.4°C and a low of 23.1°C, with about 86.8 mm of rain over roughly 21 rainy days.
What is the air quality in Morro de São Paulo in October?
Morro de São Paulo has a mean US Air Quality Index of about 35 in October.

Within 300 km: Salvador's Humpback whale season around 1 Jul – 31 Oct.