Ribeirão da Ilha in Fall
In fall (March, April and May), Ribeirão da Ilha sees average daytime highs around 24°C and overnight lows near 20°C, with 332 mm of rain over about 38 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 26°C in early March to 20°C by late May. The sky is clear or mostly clear about 35% of the time across fall, and the air most often feels muggy.
Fall is Ribeirão da Ilha's best season of the year to visit on our travel score. For the whole year in context, see Ribeirão da Ilha's year-round climate.
- Avg daytime high
- 24°C
- 2nd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 332 mm
- 38 wet days
- Avg wind
- 13 km/h
- Travel score
- 6.4
- best season of the year
- Months
- Mar · Apr · May
Temperature in Ribeirão da Ilha in Fall
Over the season highs ease from about 26°C in early March to 20°C by late May.
A typical fall day in Ribeirão da Ilha reaches about 24°C and drops to 20°C overnight. The warmest of the three months is March, the coolest May.
Ribeirão da Ilha 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 | 26° / 23° | 175 | 18.6 | 13.6 | 5.3 |
| Feb | 27° / 23° | 152 | 17 | 13 | 5.2 |
| Mar | 26° / 23° | 126 | 16.8 | 12.2 | 5.7 |
| Apr | 24° / 21° | 88 | 11.1 | 11.4 | 6.8 |
| May | 22° / 18° | 117 | 10.4 | 10.6 | 6.6 |
| Jun | 20° / 16° | 97 | 9.1 | 10.3 | 6.4 |
| Jul | 19° / 15° | 85 | 8.9 | 10.4 | 6.3 |
| Aug | 19° / 15° | 88 | 8.9 | 11 | 6.4 |
| Sep | 20° / 17° | 135 | 12.2 | 11.8 | 5.8 |
| Oct | 21° / 19° | 128 | 13.4 | 12.7 | 5.8 |
| Nov | 23° / 20° | 125 | 13.5 | 13.4 | 6.2 |
| Dec | 25° / 22° | 126 | 14.3 | 13.7 | 6.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 35% of the time across fall.
Chance of precipitation in Fall
Ribeirão da Ilha gets around 332 mm of rain over 38 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 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early March to 10 h 24 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 3.9 kWh/m².
Is fall a good time to visit Ribeirão da Ilha?
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 Ribeirão da Ilha for sightseeing.
What to pack for Ribeirão da Ilha in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Ribeirão da Ilha sees daytime highs around 24°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 38 days see rain.
Sea temperature near Ribeirão da Ilha in Fall
The nearest coast averages about 24°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in February at about 26°C and coldest in August near 18°C.
It's comfortable for a long swim from Oct 8 to Jun 8 — about 8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 25 | 24 | 22 | 20 | 18 | 18 | 19 | 21 | 22 | 24 |
| Comfort | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 24 | Refreshing |
| May | 22 | Refreshing |
| Jun | 20 | Cool |
| Jul | 18 | Cool |
| Aug | 18 | Cool |
| Sep | 19 | Cool |
| Oct | 21 | Refreshing |
| Nov | 22 | Refreshing |
| Dec | 24 | Warm |
UV index in Ribeirão da Ilha in Fall
Clear-sky midday UV across fall averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ribeirão da Ilha peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 4 (moderate).
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 | 13 | 11 | 8 | 5 | 5 | 4 | 6 | 8 | 9 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 5 | High |
| Jun | 5 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Ribeirão da Ilha?
Ribeirão da Ilha sits at 27.7°S, 48.5°W, 2 m above sea level, in Brazil. The nearest listed city is Freguesia do Ribeirao da Ilha, 4.0 km away.
Topography around Ribeirão da Ilha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ribeirão da Ilha.
Within 3 km, the terrain around Ribeirão da Ilha has significant variations in elevation — a maximum elevation change of 529 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,038 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,783 m.
The land around Ribeirão da Ilha is covered by trees (52%) and grassland (22%) within 3 km, water (59%) and trees (24%) within 16 km, and trees (48%) and water (41%) 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 Ribeirão da Ilha (-27.6993°, -48.5322°, elevation 2 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.