Barão de Grajaú in Fall
In fall (March, April and May), Barão de Grajaú sees average daytime highs around 32°C and overnight lows near 23°C, with 341 mm of rain over about 46 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 20% of the time across fall, and the air most often feels oppressive.
Fall is Barão de Grajaú's 2nd-best season to visit on our travel score. For the whole year in context, see Barão de Grajaú's year-round climate.
- Avg daytime high
- 32°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 341 mm
- 46 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.5
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Barão de Grajaú in Fall
Across fall, daytime highs hold fairly steady around 32°C.
A typical fall day in Barão de Grajaú reaches about 32°C and drops to 23°C overnight. The warmest of the three months is May, the coolest March.
How fall really feels in Barão de Grajaú
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.
Barão de Grajaú 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 | 32° / 23° | 200 | 22.5 | 12.3 | 3.0 |
| Feb | 31° / 23° | 193 | 21.2 | 12.2 | 2.9 |
| Mar | 31° / 23° | 188 | 23.2 | 12 | 3.0 |
| Apr | 32° / 23° | 112 | 15.9 | 11.9 | 3.5 |
| May | 33° / 24° | 41 | 6.5 | 11.7 | 3.9 |
| Jun | 33° / 24° | 4 | 0.8 | 11.6 | 4.2 |
| Jul | 34° / 23° | 3 | 0.3 | 11.6 | 4.2 |
| Aug | 35° / 24° | 0 | 0.1 | 11.8 | 3.4 |
| Sep | 36° / 25° | 4 | 0.5 | 12 | 2.5 |
| Oct | 36° / 26° | 21 | 3.1 | 12.2 | 2.3 |
| Nov | 35° / 25° | 74 | 9.2 | 12.3 | 2.8 |
| Dec | 33° / 24° | 113 | 13.7 | 12.4 | 3.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 20% of the time across fall.
Chance of precipitation in Fall
Barão de Grajaú gets around 341 mm of rain over 46 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 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early March to 11 h 36 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 Barão de Grajaú
In fall, Barão de Grajaú overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Barão de Grajaú's monsoon runs December–April, when most of the year's rain falls.
Is fall a good time to visit Barão de Grajaú?
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 Barão de Grajaú.
What to pack for Barão de Grajaú in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Barão de Grajaú sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 46 days see rain.
UV index in Barão de Grajaú in Fall
Clear-sky midday UV across fall averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Barão de Grajaú peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (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 | 15 | 13 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 11 | Extreme |
Air quality in Barão de Grajaú 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 Barão de Grajaú is worst in October — around 16 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 3 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) | 10 | 11 | 10 | 9 | 6 | 3 | 3 | 6 | 11 | 16 | 12 | 11 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 10 | Good |
| Apr | 9 | Good |
| May | 6 | Good |
| Jun | 3 | Good |
| Jul | 3 | Good |
| Aug | 6 | Good |
| Sep | 11 | Good |
| Oct | 16 | Moderate |
| Nov | 12 | Moderate |
| Dec | 11 | Good |
Where is Barão de Grajaú?
Barão de Grajaú sits at 6.8°S, 43.0°W, 119 m above sea level, in Brazil. The nearest listed city is Floriano, 1.0 km away.
Topography around Barão de Grajaú
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Barão de Grajaú.
Within 3 km, the terrain around Barão de Grajaú has only modest variations in elevation — a maximum elevation change of 89 m around an average of 131 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, significant variations in elevation — a maximum elevation change of 390 m.
The land around Barão de Grajaú is covered by artificial surfaces (32%), grassland (28%) and trees (27%) within 3 km, trees (49%) and grassland (32%) within 16 km, and trees (52%) and shrubs (30%) 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 Barão de Grajaú (-6.7564°, -43.0242°, elevation 119 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.