June · Brazil
Best time to visit Alter do Chão in June Weather, crowds & prices
Weather in Alter do Chão in June
Average temperature 27°C, 91 mm of rain, about 19 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
7.9/10
Ranked #7 of 12 months
- Avg temp
- 27°C
- Rainfall
- 91 mm
- Humidity
- 87%
- Days with 6h+ sun
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
June in Alter do Chão scores 7.9/10 for beach and coastal travel - ranked #7 of 12. Expect around 27°C, 91 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
The 'Caribbean of the Amazon'—white-sand river islands and clear Tapajós water—peaks in the low-water months from August through December.
June holds up well in Alter do Chão — 7th best month
Days in June average 27°C (80°F) and humidity near 87% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 91 mm of rain this month — a flexible day or two helps — with about 19 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
That is 7.9/10 on the same scale — 7th of 12 months, versus 9.9/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, September is materially better in Alter do Chão — 2 points higher on the same scale.
Frequently asked
- What is the weather like in Alter do Chão in June?
- In June, Alter do Chão averages 27°C, 91 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 7.9/10.
- Is June a good time to visit Alter do Chão?
- June earns a 7.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Alter do Chão in June?
- Expect about 91 mm of rain in June. Average humidity is 87% and there are about 19 days with 6+ hours of sunshine.
Curated in Alter do Chão
Tickets & experiences
Things to do in Alter do Chão
Alter do Chão, Brazil. Live activities and tours from GetYourGuide, matched to this destination.