Climate guide for Alter do Chão, Brazil

Alter do Chão in July

Weather, crowds & best time to visit

How to read the score (0–10)
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July · Brazil

Best time to visit Alter do Chão in July Weather, crowds & prices

Weather in Alter do Chão in July

Average temperature 28°C, 53 mm of rain, about 23 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

July score

9.1/10

Ranked #4 of 12 months

Full year for Alter do Chão
Avg temp
28°C
Rainfall
53 mm
Humidity
83%
Days with 6h+ sun
23
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

July in Alter do Chão scores 9.1/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 28°C, 53 mm of rain, and roughly 23 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.

July is one of the strongest months in Alter do Chão (4th)

Days in July average 28°C (82°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 53 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Alter do Chão at 9.1/10 (4th of 12), just behind September at 9.9/10.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Expect peak pricing, and this is one of the busiest months here.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Alter do Chão in July?
In July, Alter do Chão averages 28°C, 53 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
Is July a good time to visit Alter do Chão?
July earns a 9.1/10 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 July?
Expect about 53 mm of rain in July. Average humidity is 83% and there are about 23 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.