Santos Dumont in Fall
In fall (March, April and May), Santos Dumont sees average daytime highs around 25°C and overnight lows near 17°C, with 343 mm of rain over about 41 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 28°C in early March to 23°C by late May. The sky is clear or mostly clear about 21% of the time across fall, and the air most often feels humid.
Fall is Santos Dumont's 2nd-best season to visit on our travel score. For the whole year in context, see Santos Dumont's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 343 mm
- 41 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.1
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Santos Dumont in Fall
Over the season highs ease from about 28°C in early March to 23°C by late May.
A typical fall day in Santos Dumont reaches about 25°C and drops to 17°C overnight. The warmest of the three months is March, the coolest May.
Santos Dumont 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 | 28° / 19° | 296 | 20.9 | 13.2 | 4.6 |
| Feb | 28° / 19° | 196 | 16.2 | 12.7 | 4.9 |
| Mar | 27° / 19° | 204 | 20 | 12.2 | 4.9 |
| Apr | 26° / 17° | 89 | 12.8 | 11.5 | 6.2 |
| May | 24° / 15° | 50 | 8 | 11 | 7.2 |
| Jun | 23° / 13° | 21 | 4.6 | 10.7 | 7.8 |
| Jul | 23° / 13° | 22 | 4.9 | 10.8 | 7.8 |
| Aug | 24° / 13° | 29 | 5.7 | 11.3 | 7.8 |
| Sep | 25° / 15° | 75 | 10.6 | 11.9 | 6.8 |
| Oct | 25° / 17° | 139 | 16.6 | 12.5 | 5.6 |
| Nov | 26° / 17° | 266 | 21.3 | 13 | 4.7 |
| Dec | 27° / 19° | 318 | 23.9 | 13.3 | 4.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 21% of the time across fall.
Chance of precipitation in Fall
Santos Dumont gets around 343 mm of rain over 41 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — 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 30 min in early March to 10 h 48 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 4.3 kWh/m².
Hazard calendar for Santos Dumont
In fall, Santos Dumont overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Santos Dumont's monsoon runs November–March, when most of the year's rain falls.
Is fall a good time to visit Santos Dumont?
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 reasonable time to visit Santos Dumont for sightseeing.
What to pack for Santos Dumont in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Santos Dumont sees daytime highs around 25°C and nights near 17°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Santos Dumont in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santos Dumont peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (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) | 15 | 16 | 13 | 10 | 7 | 6 | 6 | 8 | 9 | 12 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Extreme |
| May | 7 | Very high |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Santos Dumont 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 Santos Dumont is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 11 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) | 11 | 11 | 12 | 13 | 15 | 15 | 14 | 16 | 22 | 14 | 12 | 11 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 11 | Good |
| Mar | 12 | Good |
| Apr | 13 | Moderate |
| May | 15 | Moderate |
| Jun | 15 | Moderate |
| Jul | 14 | Moderate |
| Aug | 16 | Moderate |
| Sep | 22 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Santos Dumont?
Santos Dumont sits at 21.5°S, 43.6°W, 844 m above sea level, in Brazil. The nearest listed city is Barbacena, 34 km away.
Topography around Santos Dumont
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santos Dumont.
Within 3 km, the terrain around Santos Dumont has only modest variations in elevation — a maximum elevation change of 182 m around an average of 890 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 756 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,595 m.
The land around Santos Dumont is covered by grassland (59%) and trees (27%) within 3 km, grassland (57%) and trees (41%) within 16 km, and grassland (58%) and trees (37%) 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 Santos Dumont (-21.4567°, -43.5525°, elevation 844 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.