Formoso do Araguaia in Spring
In spring (September, October and November), Formoso do Araguaia sees average daytime highs around 34°C and overnight lows near 24°C, with 347 mm of rain over about 40 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 36°C in early September to 31°C by late November. The sky is clear or mostly clear about 30% of the time across spring, and the air most often feels oppressive.
Spring is Formoso do Araguaia's weakest season of the year to visit on our travel score. For the whole year in context, see Formoso do Araguaia's year-round climate.
- Avg daytime high
- 34°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 347 mm
- 40 wet days
- Avg wind
- 7 km/h
- Travel score
- 2.7
- weakest season of the year
- Months
- Sep · Oct · Nov
Temperature in Formoso do Araguaia in Spring
Over the season highs ease from about 36°C in early September to 31°C by late November.
A typical spring day in Formoso do Araguaia reaches about 34°C and drops to 24°C overnight. The warmest of the three months is September, the coolest November.
How spring really feels in Formoso do Araguaia
Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Formoso do Araguaia weather by month
How the three spring months (September, October and November) 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 Spring
The sky is clear or mostly clear about 30% of the time across spring.
Chance of precipitation in Spring
Formoso do Araguaia gets around 347 mm of rain over 40 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 7 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 48 min in early September to 12 h 36 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².
Hazard calendar for Formoso do Araguaia
In spring, 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 spring a good time to visit Formoso do Araguaia?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Formoso do Araguaia.
What to pack for Formoso do Araguaia in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Formoso do Araguaia sees daytime highs around 34°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 40 days see rain.
UV index in Formoso do Araguaia in Spring
Clear-sky midday UV across spring 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 Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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.