Santo Antônio de Posse in Fall
In fall (March, April and May), Santo Antônio de Posse sees average daytime highs around 27°C and overnight lows near 17°C, with 287 mm of rain over about 33 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 24°C by late May. The sky is clear or mostly clear about 42% of the time across fall, and the air most often feels muggy.
Fall is Santo Antônio de Posse's 2nd-best season to visit on our travel score. For the whole year in context, see Santo Antônio de Posse's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 287 mm
- 33 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.2
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Santo Antônio de Posse in Fall
Over the season highs ease from about 29°C in early March to 24°C by late May.
A typical fall day in Santo Antônio de Posse reaches about 27°C and drops to 17°C overnight. The warmest of the three months is March, the coolest May.
Santo Antônio de Posse 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 | 29° / 20° | 275 | 22.3 | 13.2 | 3.8 |
| Feb | 30° / 20° | 188 | 18.6 | 12.8 | 3.9 |
| Mar | 29° / 19° | 149 | 17.6 | 12.2 | 4.6 |
| Apr | 28° / 17° | 73 | 8.7 | 11.5 | 6.4 |
| May | 25° / 15° | 64 | 6.3 | 10.9 | 7.6 |
| Jun | 25° / 13° | 43 | 4.6 | 10.6 | 8.1 |
| Jul | 25° / 13° | 39 | 4 | 10.8 | 8.2 |
| Aug | 27° / 14° | 33 | 4.1 | 11.2 | 7.9 |
| Sep | 28° / 16° | 86 | 7.9 | 11.9 | 6.3 |
| Oct | 29° / 18° | 130 | 13.5 | 12.5 | 5.0 |
| Nov | 29° / 19° | 182 | 16.7 | 13.1 | 4.7 |
| Dec | 29° / 20° | 224 | 20.4 | 13.4 | 4.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 42% of the time across fall.
Chance of precipitation in Fall
Santo Antônio de Posse gets around 287 mm of rain over 33 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels muggy — 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 42 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 4.7 kWh/m².
Hazard calendar for Santo Antônio de Posse
In fall, Santo Antônio de Posse overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Santo Antônio de Posse's rainy season runs October–March, when most of the year's rain falls.
Is fall a good time to visit Santo Antônio de Posse?
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 Santo Antônio de Posse for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Santo Antônio de Posse in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Santo Antônio de Posse sees daytime highs around 27°C and nights near 17°C. Pack light clothes and rain gear. Worth having: sun protection. About 33 days see rain.
UV index in Santo Antônio de Posse 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 Santo Antônio de Posse peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 | 15 | 12 | 9 | 7 | 6 | 6 | 8 | 8 | 11 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Santo Antônio de Posse 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 Santo Antônio de Posse is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 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) | 16 | 17 | 19 | 22 | 26 | 28 | 30 | 31 | 32 | 22 | 16 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 17 | Moderate |
| Mar | 19 | Moderate |
| Apr | 22 | Moderate |
| May | 26 | Moderate |
| Jun | 28 | Moderate |
| Jul | 30 | Moderate |
| Aug | 31 | Moderate |
| Sep | 32 | Moderate |
| Oct | 22 | Moderate |
| Nov | 16 | Moderate |
| Dec | 16 | Moderate |
Where is Santo Antônio de Posse?
Santo Antônio de Posse sits at 22.6°S, 46.9°W, 669 m above sea level, in Brazil. The nearest listed city is Jaguariúna, 13 km away.
Topography around Santo Antônio de Posse
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio de Posse.
Within 3 km, the terrain around Santo Antônio de Posse has only modest variations in elevation — a maximum elevation change of 153 m around an average of 657 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 475 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,218 m.
The land around Santo Antônio de Posse is covered by cropland (33%), trees (28%) and grassland (26%) within 3 km, trees (33%), cropland (33%) and grassland (28%) within 16 km, and trees (35%), grassland (30%) and cropland (27%) 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 Santo Antônio de Posse (-22.6061°, -46.9194°, elevation 669 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.