Quedas do Iguaçu in Spring
In spring (September, October and November), Quedas do Iguaçu sees average daytime highs around 27°C and overnight lows near 16°C, with 541 mm of rain over about 39 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 26°C in early September to 29°C by late November. The sky is clear or mostly clear about 38% of the time across spring, and the air most often feels humid.
Spring is Quedas do Iguaçu's 3rd-best season to visit on our travel score. For the whole year in context, see Quedas do Iguaçu's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 541 mm
- 39 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.0
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Quedas do Iguaçu in Spring
Over the season highs climb from about 26°C in early September to 29°C by late November.
A typical spring day in Quedas do Iguaçu reaches about 27°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.
Quedas do Iguaçu weather by month
How the three spring months (September, October and November) 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° / 20° | 181 | 18.3 | 13.4 | 4.2 |
| Feb | 29° / 20° | 182 | 16.9 | 12.9 | 4.4 |
| Mar | 29° / 19° | 141 | 14.3 | 12.2 | 5.3 |
| Apr | 26° / 16° | 124 | 10.2 | 11.4 | 6.6 |
| May | 23° / 13° | 149 | 10.1 | 10.8 | 6.9 |
| Jun | 22° / 12° | 142 | 9.5 | 10.4 | 6.8 |
| Jul | 22° / 12° | 114 | 8.4 | 10.6 | 7.1 |
| Aug | 24° / 13° | 96 | 7.5 | 11.1 | 7.6 |
| Sep | 26° / 15° | 162 | 10.4 | 11.8 | 6.8 |
| Oct | 27° / 17° | 212 | 15.3 | 12.6 | 5.7 |
| Nov | 28° / 18° | 166 | 13.3 | 13.2 | 5.6 |
| Dec | 29° / 19° | 193 | 17 | 13.6 | 4.6 |
Cloud cover in Spring
The sky is clear or mostly clear about 38% of the time across spring.
Chance of precipitation in Spring
Quedas do Iguaçu gets around 541 mm of rain over 39 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early September to 13 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.5 kWh/m².
Is spring a good time to visit Quedas do Iguaçu?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Quedas do Iguaçu for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Quedas do Iguaçu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Quedas do Iguaçu sees daytime highs around 27°C and nights near 16°C. Pack light clothes, rain gear and sun protection. About 39 days see rain.
UV index in Quedas do Iguaçu in Spring
Clear-sky midday UV across spring 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 Quedas do Iguaçu peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 | 15 | 12 | 9 | 6 | 5 | 5 | 6 | 8 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 6 | High |
| Jun | 5 | High |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Quedas do Iguaçu in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Quedas do Iguaçu is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (March, 6 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) | 8 | 7 | 6 | 8 | 7 | 7 | 9 | 12 | 20 | 13 | 9 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 6 | Good |
| Apr | 8 | Good |
| May | 7 | Good |
| Jun | 7 | Good |
| Jul | 9 | Good |
| Aug | 12 | Moderate |
| Sep | 20 | Moderate |
| Oct | 13 | Moderate |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Quedas do Iguaçu?
Quedas do Iguaçu sits at 25.5°S, 52.9°W, 564 m above sea level, in Brazil. The nearest listed city is Dois Vizinhos, 35 km away.
Topography around Quedas do Iguaçu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Quedas do Iguaçu.
Within 3 km, the terrain around Quedas do Iguaçu has only modest variations in elevation — a maximum elevation change of 180 m around an average of 546 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 486 m; within 80 km, large variations in elevation — a maximum elevation change of 920 m.
The land around Quedas do Iguaçu is covered by trees (46%) and cropland (27%) within 3 km, trees (44%) and cropland (35%) within 16 km, and trees (38%), cropland (35%) 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 Quedas do Iguaçu (-25.453°, -52.9046°, elevation 564 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.