Dois Irmãos in Spring
In spring (September, October and November), Dois Irmãos sees average daytime highs around 23°C and overnight lows near 13°C, with 552 mm of rain over about 42 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 21°C in early September to 26°C by late November. The sky is clear or mostly clear about 30% of the time across spring, and the air most often feels dry.
Spring is Dois Irmãos's 2nd-best season to visit on our travel score. For the whole year in context, see Dois Irmãos's year-round climate.
- Avg daytime high
- 23°C
- 3rd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 552 mm
- 42 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Dois Irmãos in Spring
Over the season highs climb from about 21°C in early September to 26°C by late November.
A typical spring day in Dois Irmãos reaches about 23°C and drops to 13°C overnight. The warmest of the three months is November, the coolest September.
Dois Irmãos 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 | 28° / 18° | 210 | 18.1 | 13.7 | 5.2 |
| Feb | 28° / 18° | 179 | 17.1 | 13.1 | 5.2 |
| Mar | 26° / 17° | 160 | 15.2 | 12.2 | 5.9 |
| Apr | 24° / 15° | 133 | 11.6 | 11.3 | 6.6 |
| May | 20° / 11° | 138 | 11 | 10.5 | 6.2 |
| Jun | 19° / 10° | 134 | 11 | 10.1 | 5.9 |
| Jul | 18° / 9° | 171 | 11.3 | 10.3 | 5.9 |
| Aug | 20° / 10° | 142 | 11 | 10.9 | 6.3 |
| Sep | 21° / 12° | 177 | 12.9 | 11.8 | 6.0 |
| Oct | 23° / 14° | 217 | 15.2 | 12.7 | 6.0 |
| Nov | 25° / 15° | 158 | 13.7 | 13.5 | 6.2 |
| Dec | 27° / 17° | 178 | 15.2 | 13.9 | 5.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 30% of the time across spring.
Chance of precipitation in Spring
Dois Irmãos gets around 552 mm of rain over 42 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 8 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 24 min in early September to 13 h 42 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 5.0 kWh/m².
Is spring a good time to visit Dois Irmãos?
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 Dois Irmãos for sightseeing.
What to pack for Dois Irmãos in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Dois Irmãos sees daytime highs around 23°C and nights near 13°C. Pack rain gear and sun protection. Worth having: light clothes. About 42 days see rain.
UV index in Dois Irmãos in Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Dois Irmãos peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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) | 13 | 12 | 10 | 8 | 5 | 4 | 4 | 5 | 8 | 8 | 12 | 13 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 8 | Very high |
| May | 5 | Moderate |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | High |
| Sep | 8 | Very high |
| Oct | 8 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Dois Irmãos 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 Dois Irmãos is worst in August — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (February, 9 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) | 10 | 9 | 10 | 11 | 12 | 12 | 15 | 22 | 18 | 12 | 11 | 10 |
| Level | Good | Good | Good | Good | Moderate | Good | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 12 | Moderate |
| Jun | 12 | Good |
| Jul | 15 | Moderate |
| Aug | 22 | Moderate |
| Sep | 18 | Moderate |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Dois Irmãos?
Dois Irmãos sits at 29.6°S, 51.1°W, 181 m above sea level, in Brazil. The nearest listed city is Ivoti, 7.0 km away.
Topography around Dois Irmãos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dois Irmãos.
Within 3 km, the terrain around Dois Irmãos has significant variations in elevation — a maximum elevation change of 392 m around an average of 199 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 769 m; within 80 km, large variations in elevation — a maximum elevation change of 1,028 m.
The land around Dois Irmãos is covered by trees (71%) within 3 km, trees (74%) within 16 km, and trees (58%) and grassland (24%) 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 Dois Irmãos (-29.5803°, -51.0853°, elevation 181 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.