Iguaí in Fall
In fall (March, April and May), Iguaí sees average daytime highs around 28°C and overnight lows near 20°C, with 218 mm of rain over about 47 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 30°C in early March to 26°C by late May. The sky is clear or mostly clear about 16% of the time across fall, and the air most often feels muggy.
Fall is Iguaí's 3rd-best season to visit on our travel score. For the whole year in context, see Iguaí's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 218 mm
- 47 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Iguaí in Fall
Over the season highs ease from about 30°C in early March to 26°C by late May.
A typical fall day in Iguaí reaches about 28°C and drops to 20°C overnight. The warmest of the three months is March, the coolest May.
Iguaí 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° / 21° | 84 | 15.1 | 12.8 | 4.7 |
| Feb | 29° / 21° | 65 | 14.1 | 12.5 | 4.6 |
| Mar | 29° / 21° | 97 | 17.4 | 12.1 | 4.5 |
| Apr | 28° / 20° | 72 | 17 | 11.7 | 5.0 |
| May | 27° / 19° | 48 | 12.2 | 11.3 | 6.1 |
| Jun | 25° / 18° | 42 | 12.9 | 11.1 | 6.3 |
| Jul | 25° / 17° | 44 | 13.8 | 11.2 | 6.3 |
| Aug | 25° / 17° | 40 | 13.1 | 11.5 | 6.3 |
| Sep | 26° / 18° | 40 | 11.6 | 11.9 | 6.3 |
| Oct | 28° / 19° | 63 | 12.8 | 12.3 | 5.9 |
| Nov | 28° / 20° | 123 | 15.9 | 12.7 | 5.2 |
| Dec | 29° / 20° | 111 | 15.1 | 12.9 | 4.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 16% of the time across fall.
Chance of precipitation in Fall
Iguaí gets around 218 mm of rain over 47 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 18 min in early March to 11 h 12 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 4.5 kWh/m².
Is fall a good time to visit Iguaí?
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 Iguaí for sightseeing.
What to pack for Iguaí in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Iguaí sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 47 days see rain.
UV index in Iguaí in Fall
Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Iguaí peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (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) | 14 | 15 | 15 | 12 | 9 | 8 | 8 | 10 | 11 | 13 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is Iguaí?
Iguaí sits at 14.8°S, 40.1°W, 354 m above sea level, in Brazil. The nearest listed city is Poções, 39 km away.
Topography around Iguaí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iguaí.
Within 3 km, the terrain around Iguaí has only modest variations in elevation — a maximum elevation change of 196 m around an average of 383 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 923 m; within 80 km, large variations in elevation — a maximum elevation change of 1,109 m.
The land around Iguaí is covered by grassland (84%) within 3 km, grassland (68%) and trees (31%) within 16 km, and grassland (61%) 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 Iguaí (-14.7564°, -40.0892°, elevation 354 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.