Balneário Arroio do Silva in Fall
In fall (March, April and May), Balneário Arroio do Silva sees average daytime highs around 23°C and overnight lows near 19°C, with 366 mm of rain over about 42 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 26°C in early March to 20°C by late May. The sky is clear or mostly clear about 39% of the time across fall, and the air most often feels muggy.
Fall is Balneário Arroio do Silva's best season of the year to visit on our travel score. For the whole year in context, see Balneário Arroio do Silva's year-round climate.
- Avg daytime high
- 23°C
- 2nd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 366 mm
- 42 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.2
- best season of the year
- Months
- Mar · Apr · May
Temperature in Balneário Arroio do Silva in Fall
Over the season highs ease from about 26°C in early March to 20°C by late May.
A typical fall day in Balneário Arroio do Silva reaches about 23°C and drops to 19°C overnight. The warmest of the three months is March, the coolest May.
Balneário Arroio do Silva 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 | 26° / 22° | 189 | 20.3 | 13.6 | 5.2 |
| Feb | 26° / 22° | 156 | 19.5 | 13 | 5.0 |
| Mar | 26° / 21° | 136 | 18.1 | 12.2 | 5.6 |
| Apr | 24° / 19° | 100 | 12.4 | 11.3 | 6.6 |
| May | 21° / 16° | 130 | 11.1 | 10.6 | 6.4 |
| Jun | 19° / 14° | 99 | 10.2 | 10.2 | 6.2 |
| Jul | 18° / 13° | 110 | 10.1 | 10.3 | 6.1 |
| Aug | 19° / 14° | 104 | 10 | 11 | 6.3 |
| Sep | 20° / 15° | 132 | 12.5 | 11.8 | 5.9 |
| Oct | 22° / 17° | 152 | 15.9 | 12.7 | 5.6 |
| Nov | 23° / 18° | 135 | 14.9 | 13.4 | 6.1 |
| Dec | 25° / 20° | 139 | 16.4 | 13.8 | 5.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 39% of the time across fall.
Chance of precipitation in Fall
Balneário Arroio do Silva gets around 366 mm of rain over 42 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early March to 10 h 18 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 4.1 kWh/m².
Is fall a good time to visit Balneário Arroio do Silva?
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 Balneário Arroio do Silva for sightseeing.
What to pack for Balneário Arroio do Silva in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Balneário Arroio do Silva sees daytime highs around 23°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 42 days see rain.
Sea temperature near Balneário Arroio do Silva in Fall
The nearest coast averages about 23°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 16 km away) is warmest in February at about 25°C and coldest in August near 17°C.
It's comfortable for a long swim from Nov 1 to May 27 — about 6.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 25 | 25 | 23 | 21 | 19 | 17 | 17 | 18 | 19 | 21 | 23 |
| Comfort | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | Warm |
| Apr | 23 | Refreshing |
| May | 21 | Refreshing |
| Jun | 19 | Cool |
| Jul | 17 | Cool |
| Aug | 17 | Cool |
| Sep | 18 | Cool |
| Oct | 19 | Cool |
| Nov | 21 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Balneário Arroio do Silva in Fall
Clear-sky midday UV across fall averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Balneário Arroio do Silva peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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) | 14 | 13 | 10 | 8 | 5 | 4 | 4 | 6 | 8 | 10 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Very high | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 8 | Very high |
| May | 5 | Moderate |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Balneário Arroio do Silva?
Balneário Arroio do Silva sits at 29.0°S, 49.4°W, 1 m above sea level, in Brazil. The nearest listed city is Araranguá, 9.0 km away.
Topography around Balneário Arroio do Silva
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Balneário Arroio do Silva.
Within 3 km, the terrain around Balneário Arroio do Silva has only modest variations in elevation — a maximum elevation change of 18 m around an average of 5 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 259 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,577 m.
The land around Balneário Arroio do Silva is covered by water (39%) and grassland (23%) within 3 km, water (49%) within 16 km, and trees (34%), water (32%) and grassland (21%) 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 Balneário Arroio do Silva (-28.9869°, -49.4173°, elevation 1 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.