Iranduba in Spring
In spring (September, October and November), Iranduba sees average daytime highs around 32°C and overnight lows near 25°C, with 577 mm of rain over about 66 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 14% of the time across spring, and the air most often feels miserable.
Spring is Iranduba's 2nd-best season to visit on our travel score. Iranduba has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Iranduba's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 577 mm
- 66 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Iranduba in Spring
Across spring, daytime highs hold fairly steady around 32°C.
A typical spring day in Iranduba reaches about 32°C and drops to 25°C overnight. The warmest of the three months is September, the coolest November.
How spring really feels in Iranduba
Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Iranduba 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° / 24° | 377 | 28.4 | 12.2 | 2.8 |
| Feb | 30° / 24° | 379 | 25.7 | 12.1 | 2.9 |
| Mar | 30° / 24° | 461 | 29.5 | 12 | 2.7 |
| Apr | 30° / 24° | 446 | 28.8 | 11.9 | 2.7 |
| May | 30° / 24° | 396 | 29.2 | 11.9 | 2.8 |
| Jun | 30° / 24° | 233 | 24.6 | 11.8 | 3.2 |
| Jul | 31° / 24° | 152 | 21.6 | 11.8 | 3.5 |
| Aug | 32° / 25° | 138 | 18.7 | 11.9 | 3.4 |
| Sep | 32° / 25° | 158 | 20.4 | 12 | 3.0 |
| Oct | 32° / 25° | 190 | 21.3 | 12.1 | 2.9 |
| Nov | 31° / 25° | 230 | 23.8 | 12.1 | 2.8 |
| Dec | 30° / 25° | 365 | 28.3 | 12.2 | 2.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 14% of the time across spring.
Chance of precipitation in Spring
Iranduba gets around 577 mm of rain over 66 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 5 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 54 min in early September to 12 h 12 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 5.4 kWh/m².
Is spring a good time to visit Iranduba?
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 weaker month for outdoor sightseeing in Iranduba.
What to pack for Iranduba in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Iranduba sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 66 days see rain.
UV index in Iranduba 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 Iranduba peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 12 at about 9 (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) | 15 | 15 | 15 | 14 | 12 | 10 | 10 | 11 | 11 | 10 | 9 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 9 | Very high |
| Dec | 12 | Extreme |
Air quality in Iranduba 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 Iranduba is worst in October — around 29 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 12 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) | 15 | 16 | 16 | 15 | 12 | 12 | 12 | 20 | 28 | 29 | 24 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 16 | Moderate |
| Mar | 16 | Moderate |
| Apr | 15 | Moderate |
| May | 12 | Good |
| Jun | 12 | Good |
| Jul | 12 | Moderate |
| Aug | 20 | Moderate |
| Sep | 28 | Moderate |
| Oct | 29 | Moderate |
| Nov | 24 | Moderate |
| Dec | 18 | Moderate |
Where is Iranduba?
Iranduba sits at 3.3°S, 60.2°W, 29 m above sea level, in Brazil. The nearest listed city is Manaus, 27 km away.
Topography around Iranduba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iranduba.
Within 3 km, the terrain around Iranduba has only modest variations in elevation — a maximum elevation change of 66 m around an average of 32 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 91 m; within 80 km, only modest variations in elevation — a maximum elevation change of 167 m.
The land around Iranduba is covered by trees (46%) and water (34%) within 3 km, trees (57%) and water (22%) within 16 km, and trees (78%) 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 Iranduba (-3.2847°, -60.1861°, elevation 29 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.