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Alter do Chão
Alter do Chão · Pará Less favorable time to visit Summer High season

Alter do Chão in January

Short answer

In January, Alter do Chão averages highs of 31 °C (88 °F) and lows of 22 °C (72 °F), with about 194 mm of rain spread over roughly 16 days. January is one of the rainiest months of the year, so bring a rain jacket and keep some indoor activities in mind. Crowds tend to be high this month.

Climate · INMET (updated 2026)
Most reviewed activity in Alter do ChãoTapajós National Forest Tour★ 8.7 · 3 reviews · from US$ 77 · via CivitatisSee dates and price →
Temperature
31 / 22 °C
high / low
Rain
194 mm
16 days
Daylight
12h14
sunset at 18:55
Crowds
High
1 public holiday

What to expect in Alter do Chão in January

Myllena Vieira, editor at Visite
Editor's tip

January finds Alter do Chão in the middle of summer. In Brazil the seasons are the reverse of those in the Northern Hemisphere. Highs reach 31 °C (88 °F): the heat calls for early starts, sunscreen, and spending the middle of the day in the shade or in the water. It is one of the busiest times of the year: the destination fills up, rates go up and the best hotels sell out early. Book ahead or choose weekdays. It rains fairly often, so keep an indoor plan handy for gray days.

Myllena Vieira · Editor at Visite
Crowds
Crowd level: high

January is high season: the destination fills up, the most popular attractions have lines, and it pays to book ahead.

Prices
Rates: high · ~R$ 544

High season: higher rates and heavy demand. Book ahead. The average nightly rate for lodging in Alter do Chão is around R$ 544 (Brazilian reais), depending on the date.

Tours and tickets

Things to do in Alter do Chão in January

booking on Civitatis
Tapajós National Forest Tour
8.7· 3 reviews

Tapajós National Forest Tour

Venture into the Brazilian rainforest and discover the animals that live there on our 1 or 2-day Tapajós National Forest Tour.

2 days
from US$ 77
Book →
Alter do Chão Full Tour
6· 4 reviews

Alter do Chão Full Tour

Explore the dreamlike beaches & lakes of the Amazon on our Alter do Chão Full Tour. You'll see some of Brazil's most incredible sights!

12 h
from US$ 64
Book →
Jari Canal Tour
6· 2 reviews

Jari Canal Tour

Explore a unique environment full of extraordinary animals & plants on our Jari Canal Tour. We'll venture into a nature reserve in the Amazon Rainforest.

10 h
from US$ 77
Book →
Arapiuns River Communities Tour
2· 1 review

Arapiuns River Communities Tour

Discover the traditions and way of life of the people who live in the Amazon on our Arapiuns River Communities Tour. Discover the daily lives of these people.

2 days
from US$ 90
Book →
Santarém Rivers Tour
2· 1 review

Santarém Rivers Tour

Get a close-up look at the spectacular spot where the Amazon and Tapajós Rivers meet on our Santarém Rivers Tour. You'll love it!

10 h
from US$ 90
Book →
Tapajós River Communities Tour

Tapajós River Communities Tour

Discover the traditions of the Tapajós River communities on our 1 or 2-day tour. We'll explore this beautiful part of the Amazon and meet the locals!

2 days
from US$ 64
Book →
See all activities in Alter do Chão
Where to stay

Hotels in Alter do Chão

January is high season in Alter do Chão: the best hotels fill up and rates rise as the date approaches. It is best to lock in your room as soon as the trip is decided.

See all hotels in Alter do Chão

Rates change with the dates: confirm the price on Booking.com.

What happens in January

No major fixed festivals in January, but public holidays (New Year's Day) bring more people to the destination.

Public holidays in January: New Year's Day (01/01). Expect more people and higher prices around these dates.

What to pack in January

Light clothing and a cap · highs of 31 °C (88 °F) Rain jacket or umbrella · 16 days of rain in the month Sunscreen and sunglasses · strong sun on the tours Quick-dry clothing · humidity of 87% Comfortable walking shoes · you will be on foot much of the day
Looking for better weather?

Where the weather is good in January

These destinations have the best weather comfort for January, scored with the same calculation of rain, heat and humidity. Tap to see what the month is like in each one.

Fernando de Noronha 66
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Pernambuco · see January →
 Natal 60
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 Pipa 60
Pipa
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 Arraial do Cabo 55
Arraial do Cabo
Rio de Janeiro · see January →
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Torn between Alter do Chão and another destination?

See Alter do Chão next to the destinations that usually compete for the same trip: month-by-month weather, driving cost, ideal length of stay and travel style, side by side.

Alter do Chão or Manaus? Alter do Chão or Bonito? Alter do Chão or Fernando de Noronha?
see all comparisons →

Questions about Alter do Chão in January

What is the weather like in Alter do Chão in January?
In January, Alter do Chão averages highs of 31 °C (88 °F) and lows of 22 °C (72 °F), with about 194 mm of rain spread over roughly 16 days. January is one of the rainiest months of the year, so bring a rain jacket and keep some indoor activities in mind. Crowds tend to be high this month.
Does it rain a lot in Alter do Chão in January?
In January, Alter do Chão gets about 194 mm of rain spread over around 16 rainy days, in line with the average rainfall for the year. Bring a rain jacket and have an indoor backup plan.
Is January high season in Alter do Chão?
Crowds in January tend to be high. High season: higher rates and heavy demand. Book ahead.
What is happening in Alter do Chão in January?
No major fixed festivals in January, but public holidays (New Year's Day) bring more people to the destination.
Does it usually rain all day in Alter do Chão in January?
INMET's climate normals record the number of rainy days and the total millimeters, not the hours of each day, so they do not say how long the rain lasts. What they show for Alter do Chão in January: 16 rainy days in a month of 31 days (about 52% of the days) and 194 mm over the month, which works out to an average of about 12 mm per rainy day. Compared with the rest of the year, January falls within the destination's average rainfall. Bring a rain jacket and have an indoor backup plan for the rainy days.
What is the temperature in Alter do Chão in January, and what should you pack?
According to INMET's climate normals, the average high in Alter do Chão in January is 31 °C and the average low is 22 °C, with air humidity of around 87%. Compared with the rest of the year, the temperature in January is typical for the destination. For your suitcase, here is what those numbers call for: light clothing and a cap; rain jacket or umbrella; sunscreen and sunglasses.
Is Alter do Chão worth visiting in January?
Less favorable time to visit. On our weather comfort index, which weighs rain, heat and humidity from INMET's climate normals, January scores 31 out of 100 and ranks No. 10 among the 12 months. The most comfortable month is October (60) and the least comfortable is June (30). As for crowds, in January they tend to be high.
December see the full year February