Alter do Chão
Região Metropolitana de Santarém, Pará, Brazil
Current Weather
32°89°
Partly Cloudy
Feels Like: 31°87°
Min: 29°84°
Max: 32°90°
The next few hours will be mostly clear, with tomorrow reaching 34°C and dropping to 29°C. The coming days will be partly cloudy
Hourly Forecast
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air Quality
Air quality is acceptable. However, there may be a risk for some people.
Daylight Hours
06:21
Sunrise
18:25
Sunset
Moon
17:14
Moonrise
04:47
Moonset
Daily Forecast
Today
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Resources
UV Index
Humidity
Looking at the night sky?
See moon phases, eclipses, and seasons for this year.
View astronomyCurrent stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Alter do Chão.
View stargazing scoreWeather in Alter do Chão tomorrow, October 25, 2026
Alter do Chão is set for a fine, sunny day on October 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Cloud leads the morning, peaking close to 83% near 09:00. Sunshine has little room until later in the day.Alter do Chão is set for a fine, sunny day on October 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Cloud leads the morning, peaking close to 83% near 09:00. Sunshine has little room until later in the day.
Expect highs of 34°C and cooler readings close to 29°C. The air stays humid, with relative humidity between 52% and 78% and the peak around 06:00. Winds turn strong, with the highest speeds near 06:00 at about 26 km/h.Expect highs of 92°F and cooler readings close to 85°F. The air stays humid, with relative humidity between 52% and 78% and the peak around 06:00. Winds turn strong, with the highest speeds near 06:00 at about 16 mph.
Through the afternoon cloud remains the main feature, with cover near 65% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility holds close to 16.1 km. Sunrise is at 06:21 and sunset at 18:25, giving 12 hours 4 minutes of sunlight today.Through the afternoon cloud remains the main feature, with cover near 65% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility holds close to 10 mi. Sunrise is at 06:21 and sunset at 18:25, giving 12 hours 4 minutes of sunlight today.
The practical takeaway for Alter do Chão is a windy October 25, 2026, so outdoor plans should account for gusts around 26 km/h.The practical takeaway for Alter do Chão is a windy October 25, 2026, so outdoor plans should account for gusts around 16 mph.
Frequently asked questions about weather in Alter do Chão
How warm does it get in Alter do Chão?
The warmest month in Alter do Chão is October, with average high temperatures of 32°C. The average temperature during this period is around 30°C.The warmest month in Alter do Chão is October, with average high temperatures of 89°F. The average temperature during this period is around 85°F.
How cold does it get in Alter do Chão?
The coldest month in Alter do Chão is February, with average low temperatures of 26°C. The average temperature during this period is around 27°C.The coldest month in Alter do Chão is February, with average low temperatures of 78°F. The average temperature during this period is around 81°F.
What is the wettest time of year in Alter do Chão?
The wettest month in Alter do Chão is March, with an average of 500 mm of precipitation.The wettest month in Alter do Chão is March, with an average of 19.7 in of precipitation.
What is the driest time of year in Alter do Chão?
The driest month in Alter do Chão is September, with an average of 56 mm of precipitation.The driest month in Alter do Chão is September, with an average of 2.2 in of precipitation.