SeasonMapBarreirinhas (Lençóis Maranhenses) weather in June
Brazil
June in Barreirinhas: hot, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Barreirinhas · #966 of 1383 destinations to visit in June · comfort 71/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Barreirinhas in June
No notes yet. Open Barreirinhas on the map to add the first one.
Barreirinhas climate normals — June
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 76 mm / 3 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 29 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Barreirinhas in June
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.
Peak crowdsLagoons at their fullest, São João and bumba-meu-boi, school holidays in 2 of the markets that fill it(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).
Best weatherBarreirinhas's weather peaks June–August.
June includes Lagoons at their fullest.
Best weatherFair weatherToughest weather
What's on in Barreirinhas in June
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Lagoons at their fullest
1 Jun – 15 Sep · usuallyHigh waterCrowdedThe rains stop in May and the dune valleys hold thousands of rainwater lagoons through the southern winter. June and July are the safe months; by late September the shallow ones have gone.
- Festival
São João and bumba-meu-boi
1–30 JunMajor festivalCrowdedMaranhão's June cycle is the biggest thing in the state's year and the government sets up one of its official arraiais here: boi groups, matracas and food stalls most nights of the month. Source ↗
Where is Barreirinhas?
Barreirinhas in June — FAQ
- Is June a good time to visit Barreirinhas?
- June in Barreirinhas: hot, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Barreirinhas on SeasonMap's comfort score (71/100).
- What is the weather like in Barreirinhas in June?
- In June, Barreirinhas averages a daily high of 30°C and a low of 24.8°C, with about 75.8 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Barreirinhas in June?
- Barreirinhas has a mean US Air Quality Index of about 29 in June.