Formoso do Araguaia in Fall
In fall (March, April and May), Formoso do Araguaia sees average daytime highs around 32°C and overnight lows near 23°C, with 443 mm of rain over about 47 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 31°C in early March to 33°C by late May. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels oppressive.
Fall is Formoso do Araguaia's 2nd-best season to visit on our travel score. For the whole year in context, see Formoso do Araguaia's year-round climate.
- Avg daytime high
- 32°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 443 mm
- 47 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.5
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Formoso do Araguaia in Fall
Over the season highs climb from about 31°C in early March to 33°C by late May.
A typical fall day in Formoso do Araguaia reaches about 32°C and drops to 23°C overnight. The warmest of the three months is May, the coolest May.
How fall really feels in Formoso do Araguaia
Once humidity and wind are folded in, fall brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Formoso do Araguaia weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 23° | 291 | 26.4 | 12.6 | 2.9 |
| Feb | 31° / 23° | 256 | 23.6 | 12.4 | 2.8 |
| Mar | 31° / 23° | 263 | 25.5 | 12.1 | 2.9 |
| Apr | 32° / 23° | 150 | 17 | 11.7 | 3.4 |
| May | 33° / 23° | 31 | 4.9 | 11.5 | 4.1 |
| Jun | 33° / 22° | 2 | 0.4 | 11.3 | 4.5 |
| Jul | 34° / 21° | 0 | 0 | 11.4 | 4.3 |
| Aug | 35° / 23° | 1 | 0.3 | 11.6 | 3.2 |
| Sep | 36° / 24° | 19 | 3.2 | 11.9 | 2.4 |
| Oct | 34° / 24° | 109 | 14.3 | 12.3 | 2.7 |
| Nov | 32° / 23° | 218 | 22.1 | 12.5 | 2.9 |
| Dec | 31° / 23° | 262 | 24.6 | 12.7 | 2.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 25% of the time across fall.
Chance of precipitation in Fall
Formoso do Araguaia gets around 443 mm of rain over 47 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early March to 11 h 24 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.0 kWh/m².
Hazard calendar for Formoso do Araguaia
In fall, Formoso do Araguaia overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Formoso do Araguaia's monsoon runs November–April, when most of the year's rain falls.
Is fall a good time to visit Formoso do Araguaia?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Formoso do Araguaia.
What to pack for Formoso do Araguaia in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Formoso do Araguaia sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 47 days see rain.
UV index in Formoso do Araguaia in Fall
Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Formoso do Araguaia peaks around February 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 15 | 14 | 12 | 10 | 8 | 9 | 10 | 12 | 10 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Formoso do Araguaia in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Formoso do Araguaia is worst in September — around 27 µg/m³ PM2.5 (moderate), about 6.9× the cleanest month (June, 4 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 8 | 9 | 8 | 8 | 4 | 5 | 8 | 27 | 26 | 11 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 8 | Good |
| Mar | 9 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 4 | Good |
| Jul | 5 | Good |
| Aug | 8 | Good |
| Sep | 27 | Moderate |
| Oct | 26 | Moderate |
| Nov | 11 | Good |
| Dec | 9 | Good |
Where is Formoso do Araguaia?
Formoso do Araguaia sits at 11.8°S, 49.5°W, 247 m above sea level, in Brazil. The nearest listed city is Gurupi, 51 km away.
Topography around Formoso do Araguaia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Formoso do Araguaia.
Within 3 km, the terrain around Formoso do Araguaia has only modest variations in elevation — a maximum elevation change of 62 m around an average of 252 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, significant variations in elevation — a maximum elevation change of 398 m.
The land around Formoso do Araguaia is covered by grassland (42%) and trees (33%) within 3 km, grassland (44%) and trees (40%) within 16 km, and grassland (46%) and trees (43%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Formoso do Araguaia (-11.7967°, -49.5289°, elevation 247 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.