Cachoeirinha in Fall
In fall (March, April and May), Cachoeirinha sees average daytime highs around 25°C and overnight lows near 16°C, with 329 mm of rain over about 31 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Over the season highs ease from about 29°C in early March to 20°C by late May. The sky is clear or mostly clear about 32% of the time across fall, and the air most often feels humid.
Fall is Cachoeirinha's best season of the year to visit on our travel score. For the whole year in context, see Cachoeirinha's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 329 mm
- 31 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.4
- best season of the year
- Months
- Mar · Apr · May
Temperature in Cachoeirinha in Fall
Over the season highs ease from about 29°C in early March to 20°C by late May.
A typical fall day in Cachoeirinha reaches about 25°C and drops to 16°C overnight. The warmest of the three months is March, the coolest May.
Cachoeirinha 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 | 30° / 21° | 140 | 14.2 | 13.7 | 4.7 |
| Feb | 29° / 20° | 127 | 13.9 | 13.1 | 4.7 |
| Mar | 28° / 19° | 121 | 12.6 | 12.2 | 5.7 |
| Apr | 25° / 16° | 102 | 9.7 | 11.3 | 6.8 |
| May | 22° / 13° | 106 | 9.2 | 10.5 | 6.7 |
| Jun | 20° / 11° | 112 | 9.4 | 10.1 | 6.2 |
| Jul | 19° / 10° | 136 | 10.3 | 10.3 | 6.1 |
| Aug | 21° / 11° | 122 | 10.4 | 10.9 | 6.5 |
| Sep | 22° / 13° | 147 | 11.2 | 11.8 | 6.3 |
| Oct | 24° / 15° | 169 | 12.7 | 12.7 | 6.4 |
| Nov | 27° / 17° | 122 | 10.9 | 13.5 | 6.4 |
| Dec | 29° / 19° | 129 | 12.4 | 13.9 | 5.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 32% of the time across fall.
Chance of precipitation in Fall
Cachoeirinha gets around 329 mm of rain over 31 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 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early March to 10 h 12 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 3.9 kWh/m².
Is fall a good time to visit Cachoeirinha?
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 Cachoeirinha for sightseeing.
What to pack for Cachoeirinha in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Cachoeirinha sees daytime highs around 25°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 31 days see rain.
Sea temperature near Cachoeirinha in Fall
The nearest coast averages about 22°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 47 km away) is warmest in February at about 26°C and coldest in July near 15°C.
It's comfortable for a long swim from Oct 23 to May 10 — about 6.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 25 | 23 | 19 | 17 | 15 | 16 | 17 | 20 | 22 | 24 |
| Comfort | Warm | Warm | Warm | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 23 | Refreshing |
| May | 19 | Cool |
| Jun | 17 | Cool |
| Jul | 15 | Cool |
| Aug | 16 | Cool |
| Sep | 17 | Cool |
| Oct | 20 | Cool |
| Nov | 22 | Refreshing |
| Dec | 24 | Warm |
UV index in Cachoeirinha in Fall
Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cachoeirinha peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 | 7 | 4 | 3 | 4 | 5 | 8 | 8 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 7 | Very high |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Cachoeirinha in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Cachoeirinha is worst in August — around 27 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 13 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) | 13 | 13 | 15 | 18 | 21 | 23 | 25 | 27 | 23 | 16 | 15 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 18 | Moderate |
| May | 21 | Moderate |
| Jun | 23 | Moderate |
| Jul | 25 | Moderate |
| Aug | 27 | Moderate |
| Sep | 23 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 13 | Moderate |
Where is Cachoeirinha?
Cachoeirinha sits at 30.0°S, 51.1°W, 15 m above sea level, in Brazil. The nearest listed city is Alvorada, 6.0 km away.
Topography around Cachoeirinha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cachoeirinha.
Within 3 km, the terrain around Cachoeirinha has only modest variations in elevation — a maximum elevation change of 64 m around an average of 14 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 348 m; within 80 km, large variations in elevation — a maximum elevation change of 988 m.
The land around Cachoeirinha is covered by artificial surfaces (42%) and trees (28%) within 3 km, trees (36%) and artificial surfaces (35%) within 16 km, and trees (47%) and grassland (20%) 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 Cachoeirinha (-29.9511°, -51.0939°, elevation 15 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.