Climate guide for Alter do Chão, Brazil

Alter do Chão in April

Weather, crowds & best time to visit

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

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

Weather in Alter do Chão in April

Average temperature 27°C, 236 mm of rain, about 17 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

April score

6.1/10

Ranked #12 of 12 months

Full year for Alter do Chão
Avg temp
27°C
Rainfall
236 mm
Humidity
87%
Days with 6h+ sun
17
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

April in Alter do Chão scores 6.1/10 for beach and coastal travel - ranked #12 of 12. Expect around 27°C, 236 mm of rain, and roughly 17 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.

April in Alter do Chão — middling scores, decent value

Days in April 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.

Expect monsoon-level rainfall at 236 mm: only about 17 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.

That is 6.1/10 on the same scale — 12th 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 proper rain shell rather than an umbrella.

Expect low-season pricing, and crowds are light for this destination.

If your dates are flexible, September is materially better in Alter do Chão — 3.8 points higher on the same scale.

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 April?
In April, Alter do Chão averages 27°C, 236 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 6.1/10.
Is April a good time to visit Alter do Chão?
April earns a 6.1/10 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 April?
Expect about 236 mm of rain in April. Average humidity is 87% and there are about 17 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.