Castro Alves in Fall
In fall (March, April and May), Castro Alves sees average daytime highs around 30°C and overnight lows near 22°C, with 144 mm of rain over about 41 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 32°C in early March to 28°C by late May. The sky is clear or mostly clear about 24% of the time across fall, and the air most often feels oppressive.
Fall is Castro Alves's 3rd-best season to visit on our travel score. For the whole year in context, see Castro Alves's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 144 mm
- 41 wet days
- Avg wind
- 10 km/h
- Travel score
- 4.6
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Castro Alves in Fall
Over the season highs ease from about 32°C in early March to 28°C by late May.
A typical fall day in Castro Alves reaches about 30°C and drops to 22°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Castro Alves
Once humidity and wind are folded in, fall brings about 56 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Castro Alves 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 | 31° / 22° | 69 | 12.2 | 12.7 | 4.1 |
| Feb | 32° / 22° | 47 | 11.5 | 12.4 | 4.0 |
| Mar | 31° / 22° | 60 | 13.9 | 12.1 | 3.9 |
| Apr | 30° / 22° | 49 | 14.9 | 11.7 | 4.4 |
| May | 28° / 21° | 35 | 12 | 11.4 | 5.5 |
| Jun | 27° / 20° | 34 | 12.9 | 11.3 | 6.1 |
| Jul | 26° / 19° | 36 | 13.2 | 11.3 | 6.2 |
| Aug | 27° / 19° | 33 | 13.7 | 11.6 | 6.0 |
| Sep | 28° / 19° | 26 | 10.5 | 11.9 | 5.9 |
| Oct | 30° / 20° | 34 | 10.6 | 12.3 | 5.1 |
| Nov | 31° / 21° | 56 | 11.1 | 12.6 | 4.5 |
| Dec | 31° / 22° | 56 | 9.4 | 12.7 | 4.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 24% of the time across fall.
Chance of precipitation in Fall
Castro Alves gets around 144 mm of rain over 41 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — 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 18 min in early March to 11 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 4.7 kWh/m².
Is fall a good time to visit Castro Alves?
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 Castro Alves for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Castro Alves in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Castro Alves sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Castro Alves in Fall
Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Castro Alves peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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) | 14 | 15 | 14 | 12 | 9 | 9 | 9 | 10 | 11 | 13 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Extreme |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Where is Castro Alves?
Castro Alves sits at 12.8°S, 39.4°W, 255 m above sea level, in Brazil. The nearest listed city is Sapeaçu, 27 km away.
Topography around Castro Alves
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Castro Alves.
Within 3 km, the terrain around Castro Alves has only modest variations in elevation — a maximum elevation change of 134 m around an average of 248 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 689 m; within 80 km, large variations in elevation — a maximum elevation change of 931 m.
The land around Castro Alves is covered by grassland (87%) within 3 km, grassland (78%) within 16 km, and grassland (60%) and trees (30%) 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 Castro Alves (-12.7656°, -39.4283°, elevation 255 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.