Iúna in Fall
In fall (March, April and May), Iúna sees average daytime highs around 26°C and overnight lows near 17°C, with 226 mm of rain over about 32 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 28°C in early March to 24°C by late May. The sky is clear or mostly clear about 21% of the time across fall, and the air most often feels humid.
Fall is Iúna's 2nd-best season to visit on our travel score. For the whole year in context, see Iúna's year-round climate.
- Avg daytime high
- 26°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 226 mm
- 32 wet days
- Avg wind
- 6 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Iúna in Fall
Over the season highs ease from about 28°C in early March to 24°C by late May.
A typical fall day in Iúna reaches about 26°C and drops to 17°C overnight. The warmest of the three months is March, the coolest May.
Iúna 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° / 19° | 150 | 14.3 | 13.1 | 5.2 |
| Feb | 29° / 19° | 91 | 10.8 | 12.7 | 5.2 |
| Mar | 28° / 19° | 132 | 15.1 | 12.1 | 5.3 |
| Apr | 27° / 17° | 63 | 10.7 | 11.5 | 6.4 |
| May | 25° / 15° | 32 | 6.1 | 11 | 7.5 |
| Jun | 24° / 14° | 12 | 2.7 | 10.8 | 8.2 |
| Jul | 24° / 14° | 11 | 2.6 | 10.9 | 8.2 |
| Aug | 24° / 14° | 15 | 3.7 | 11.3 | 8.1 |
| Sep | 25° / 16° | 41 | 6.9 | 11.9 | 7.2 |
| Oct | 26° / 17° | 97 | 11.1 | 12.5 | 6.2 |
| Nov | 26° / 18° | 177 | 16.7 | 13 | 5.3 |
| Dec | 27° / 19° | 227 | 18.8 | 13.2 | 5.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 21% of the time across fall.
Chance of precipitation in Fall
Iúna gets around 226 mm of rain over 32 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 6 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 4.4 kWh/m².
Hazard calendar for Iúna
In fall, Iúna overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Iúna's monsoon runs November–January, when most of the year's rain falls.
Is fall a good time to visit Iúna?
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 Iúna for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Iúna in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Iúna sees daytime highs around 26°C and nights near 17°C. Pack light clothes and rain gear. Worth having: sun protection. About 32 days see rain.
UV index in Iúna 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 Iúna peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (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 | 14 | 10 | 8 | 7 | 7 | 9 | 10 | 12 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 10 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | High |
| Aug | 9 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Where is Iúna?
Iúna sits at 20.3°S, 41.5°W, 670 m above sea level, in Brazil. The nearest listed city is Ibatiba, 13 km away.
Topography around Iúna
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iúna.
Within 3 km, the terrain around Iúna has significant variations in elevation — a maximum elevation change of 300 m around an average of 711 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,249 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,831 m.
The land around Iúna is covered by trees (49%) and grassland (45%) within 3 km, trees (64%) and grassland (35%) within 16 km, and trees (57%) and grassland (42%) 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 Iúna (-20.3458°, -41.5358°, elevation 670 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.