SeasonMapBarreirinhas (Lençóis Maranhenses) weather in October
Brazil
October in Barreirinhas: sweltering, dry, with clean air — fine if you can take 35°C afternoons.
#5 of 12 months in Barreirinhas · #996 of 1383 destinations to visit in October · comfort 65/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Barreirinhas in October
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Barreirinhas climate normals — October
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 35°C / 95°F | |
| Sea temperature | 29°C / 83°F | ♨️ bath-warm |
| Rainfall | 5 mm / 0.2 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 12.2 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Barreirinhas 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)
Peak crowdsBusyShoulder seasonQuiet
Best months for Barreirinhas'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 weatherBarreirinhas's weather peaks June–August.
Best weatherFair weatherToughest weather
Where is Barreirinhas?
Barreirinhas in October — FAQ
- Is October a good time to visit Barreirinhas?
- October in Barreirinhas: sweltering, dry, with clean air — fine if you can take 35°C afternoons. It ranks #5 of 12 months for Barreirinhas on SeasonMap's comfort score (65/100).
- What is the weather like in Barreirinhas in October?
- In October, Barreirinhas averages a daily high of 31.7°C and a low of 25.8°C, with about 5.3 mm of rain over roughly 1.3 rainy days.
- What is the air quality in Barreirinhas in October?
- Barreirinhas has a mean US Air Quality Index of about 31 in October.