Piracicaba in Fall
In fall (March, April and May), Piracicaba sees average daytime highs around 28°C and overnight lows near 18°C, with 249 mm of rain over about 30 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 30°C in early March to 25°C by late May. The sky is clear or mostly clear about 40% of the time across fall, and the air most often feels muggy.
Fall is Piracicaba's 2nd-best season to visit on our travel score. For the whole year in context, see Piracicaba's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 249 mm
- 30 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Piracicaba in Fall
Over the season highs ease from about 30°C in early March to 25°C by late May.
A typical fall day in Piracicaba reaches about 28°C and drops to 18°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Piracicaba
Once humidity and wind are folded in, fall brings about 1 day 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.
Piracicaba 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 | 30° / 21° | 255 | 22.3 | 13.2 | 3.6 |
| Feb | 30° / 21° | 186 | 19 | 12.8 | 3.7 |
| Mar | 30° / 20° | 144 | 17.1 | 12.2 | 4.4 |
| Apr | 29° / 18° | 53 | 7.3 | 11.5 | 6.2 |
| May | 26° / 15° | 52 | 6 | 10.9 | 7.5 |
| Jun | 25° / 14° | 38 | 4.5 | 10.6 | 8.0 |
| Jul | 25° / 13° | 31 | 3.8 | 10.7 | 8.1 |
| Aug | 27° / 14° | 30 | 3.9 | 11.2 | 7.6 |
| Sep | 29° / 16° | 61 | 8.1 | 11.9 | 6.0 |
| Oct | 30° / 18° | 104 | 12.1 | 12.5 | 4.9 |
| Nov | 30° / 19° | 148 | 15 | 13.1 | 4.5 |
| Dec | 30° / 20° | 190 | 19.9 | 13.4 | 3.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 40% of the time across fall.
Chance of precipitation in Fall
Piracicaba gets around 249 mm of rain over 30 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 8 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 Piracicaba
In fall, Piracicaba overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Piracicaba's monsoon runs November–March, when most of the year's rain falls.
Is fall a good time to visit Piracicaba?
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 Piracicaba for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Piracicaba in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Piracicaba sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.
UV index in Piracicaba in Fall
Clear-sky midday UV across fall averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Piracicaba peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (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 | 14 | 12 | 9 | 7 | 6 | 5 | 8 | 8 | 11 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Piracicaba 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 Piracicaba is worst in September — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Piracicaba's WHO annual average of 13 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 10 | 10 | 11 | 13 | 14 | 15 | 20 | 21 | 15 | 9 | 9 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 20 | Moderate |
| Sep | 21 | Moderate |
| Oct | 15 | Moderate |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is Piracicaba?
Piracicaba sits at 22.7°S, 47.6°W, 530 m above sea level, in Brazil. The nearest listed city is Rio das Pedras, 14 km away.
Topography around Piracicaba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Piracicaba.
Within 3 km, the terrain around Piracicaba has only modest variations in elevation — a maximum elevation change of 129 m around an average of 525 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, large variations in elevation — a maximum elevation change of 634 m.
The land around Piracicaba is covered by artificial surfaces (73%) and trees (20%) within 3 km, cropland (45%) and trees (24%) within 16 km, and cropland (39%), trees (31%) and grassland (23%) 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 Piracicaba (-22.7253°, -47.6492°, elevation 530 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.