Lagoa Santa in Fall
In fall (March, April and May), Lagoa Santa sees average daytime highs around 27°C and overnight lows near 17°C, with 191 mm of rain over about 27 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 29°C in early March to 25°C by late May. The sky is clear or mostly clear about 35% of the time across fall, and the air most often feels humid.
Fall is Lagoa Santa's 2nd-best season to visit on our travel score. For the whole year in context, see Lagoa Santa's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 191 mm
- 27 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.6
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Lagoa Santa in Fall
Over the season highs ease from about 29°C in early March to 25°C by late May.
A typical fall day in Lagoa Santa reaches about 27°C and drops to 17°C overnight. The warmest of the three months is March, the coolest May.
Lagoa Santa 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° / 20° | 188 | 16.6 | 13.1 | 4.9 |
| Feb | 29° / 19° | 102 | 11.3 | 12.7 | 5.1 |
| Mar | 28° / 19° | 121 | 14.5 | 12.1 | 5.3 |
| Apr | 28° / 18° | 44 | 8.1 | 11.6 | 6.8 |
| May | 26° / 15° | 26 | 4.3 | 11.1 | 7.8 |
| Jun | 25° / 13° | 7 | 1.3 | 10.8 | 8.5 |
| Jul | 25° / 13° | 4 | 0.6 | 10.9 | 8.8 |
| Aug | 27° / 14° | 8 | 1.5 | 11.3 | 8.3 |
| Sep | 28° / 16° | 40 | 5.6 | 11.9 | 6.9 |
| Oct | 29° / 18° | 72 | 9.9 | 12.5 | 5.6 |
| Nov | 28° / 19° | 167 | 17.3 | 12.9 | 5.1 |
| Dec | 28° / 19° | 224 | 20.5 | 13.2 | 4.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 35% of the time across fall.
Chance of precipitation in Fall
Lagoa Santa gets around 191 mm of rain over 27 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 8 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early March to 10 h 54 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 4.9 kWh/m².
Hazard calendar for Lagoa Santa
In fall, Lagoa Santa overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Lagoa Santa's monsoon runs November–March, when most of the year's rain falls.
Is fall a good time to visit Lagoa Santa?
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 Lagoa Santa for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Lagoa Santa in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Lagoa Santa sees daytime highs around 27°C and nights near 17°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.
UV index in Lagoa Santa 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 Lagoa Santa peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (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) | 15 | 15 | 13 | 11 | 8 | 7 | 7 | 9 | 11 | 12 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Lagoa Santa 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 Lagoa Santa is worst in September — around 21 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 | 12 | 13 | 14 | 17 | 17 | 16 | 15 | 21 | 16 | 12 | 11 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 12 | Good |
| Mar | 13 | Moderate |
| Apr | 14 | Moderate |
| May | 17 | Moderate |
| Jun | 17 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 21 | Moderate |
| Oct | 16 | Moderate |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Lagoa Santa?
Lagoa Santa sits at 19.6°S, 43.9°W, 791 m above sea level, in Brazil. The nearest listed city is Vespasiano, 7.0 km away.
Topography around Lagoa Santa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lagoa Santa.
Within 3 km, the terrain around Lagoa Santa has only modest variations in elevation — a maximum elevation change of 194 m around an average of 770 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 378 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,570 m.
The land around Lagoa Santa is covered by trees (38%), artificial surfaces (30%) and grassland (22%) within 3 km, trees (52%) and grassland (35%) within 16 km, and trees (50%) and grassland (39%) 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 Lagoa Santa (-19.6301°, -43.9009°, elevation 791 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.