Arroio do Meio in Spring
In spring (September, October and November), Arroio do Meio sees average daytime highs around 24°C and overnight lows near 14°C, with 505 mm of rain over about 39 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 22°C in early September to 28°C by late November. The sky is clear or mostly clear about 30% of the time across spring, and the air most often feels humid.
Spring is Arroio do Meio's 2nd-best season to visit on our travel score. For the whole year in context, see Arroio do Meio's year-round climate.
- Avg daytime high
- 24°C
- 3rd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 505 mm
- 39 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Arroio do Meio in Spring
Over the season highs climb from about 22°C in early September to 28°C by late November.
A typical spring day in Arroio do Meio reaches about 24°C and drops to 14°C overnight. The warmest of the three months is November, the coolest September.
Arroio do Meio 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 | 29° / 19° | 181 | 16.5 | 13.7 | 4.6 |
| Feb | 29° / 19° | 159 | 15.3 | 13.1 | 4.7 |
| Mar | 28° / 18° | 133 | 13.9 | 12.2 | 5.7 |
| Apr | 25° / 15° | 132 | 10.8 | 11.3 | 6.7 |
| May | 21° / 12° | 122 | 10 | 10.5 | 6.5 |
| Jun | 19° / 10° | 126 | 10.2 | 10.2 | 6.0 |
| Jul | 19° / 9° | 159 | 10.7 | 10.3 | 6.0 |
| Aug | 21° / 11° | 126 | 10.2 | 10.9 | 6.5 |
| Sep | 22° / 12° | 161 | 12.4 | 11.8 | 6.2 |
| Oct | 24° / 14° | 198 | 14.4 | 12.7 | 6.1 |
| Nov | 27° / 16° | 146 | 12.6 | 13.5 | 6.2 |
| Dec | 29° / 18° | 167 | 14.5 | 13.8 | 5.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 30% of the time across spring.
Chance of precipitation in Spring
Arroio do Meio gets around 505 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 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 Arroio do Meio?
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 Arroio do Meio for sightseeing.
What to pack for Arroio do Meio in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Arroio do Meio sees daytime highs around 24°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 39 days see rain.
UV index in Arroio do Meio in Spring
Clear-sky midday UV across spring averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arroio do Meio peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (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 | 3 | 4 | 5 | 8 | 6 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | Moderate | Very high | 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 | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Arroio do Meio 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 Arroio do Meio is worst in September — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 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 | 10 | 10 | 12 | 12 | 11 | 13 | 16 | 17 | 12 | 11 | 10 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 10 | Good |
| Mar | 10 | Good |
| Apr | 12 | Good |
| May | 12 | Good |
| Jun | 11 | Good |
| Jul | 13 | Moderate |
| Aug | 16 | Moderate |
| Sep | 17 | Moderate |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Arroio do Meio?
Arroio do Meio sits at 29.4°S, 51.9°W, 45 m above sea level, in Brazil. The nearest listed city is Lajeado, 7.0 km away.
Topography around Arroio do Meio
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arroio do Meio.
Within 3 km, the terrain around Arroio do Meio has only modest variations in elevation — a maximum elevation change of 84 m around an average of 42 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 618 m; within 80 km, large variations in elevation — a maximum elevation change of 856 m.
The land around Arroio do Meio is covered by trees (35%) and cropland (28%) within 3 km, trees (58%) and cropland (22%) within 16 km, and trees (69%) 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 Arroio do Meio (-29.4011°, -51.945°, elevation 45 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.