Santa Helena de Goiás in Fall
In fall (March, April and May), Santa Helena de Goiás sees average daytime highs around 30°C and overnight lows near 20°C, with 260 mm of rain over about 36 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 40% of the time across fall, and the air most often feels muggy.
Fall is Santa Helena de Goiás's 2nd-best season to visit on our travel score. For the whole year in context, see Santa Helena de Goiás's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 260 mm
- 36 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Santa Helena de Goiás in Fall
Across fall, daytime highs hold fairly steady around 30°C.
A typical fall day in Santa Helena de Goiás reaches about 30°C and drops to 20°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Santa Helena de Goiás
Once humidity and wind are folded in, fall brings about 45 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.
Santa Helena de Goiás 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° | 222 | 22.7 | 12.9 | 3.5 |
| Feb | 30° / 21° | 172 | 20.7 | 12.6 | 3.4 |
| Mar | 30° / 21° | 168 | 21.1 | 12.1 | 3.6 |
| Apr | 30° / 20° | 71 | 10.7 | 11.6 | 4.9 |
| May | 29° / 18° | 22 | 3.7 | 11.2 | 6.4 |
| Jun | 29° / 17° | 7 | 1.1 | 11 | 7.0 |
| Jul | 29° / 16° | 4 | 0.6 | 11 | 6.9 |
| Aug | 32° / 18° | 9 | 1.3 | 11.4 | 5.5 |
| Sep | 33° / 20° | 41 | 6.1 | 11.9 | 3.9 |
| Oct | 33° / 21° | 115 | 14.9 | 12.4 | 3.2 |
| Nov | 31° / 21° | 184 | 21.9 | 12.8 | 3.2 |
| Dec | 30° / 21° | 220 | 24.4 | 13 | 3.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 40% of the time across fall.
Chance of precipitation in Fall
Santa Helena de Goiás gets around 260 mm of rain over 36 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 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early March to 11 hours 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 5.1 kWh/m².
Hazard calendar for Santa Helena de Goiás
In fall, Santa Helena de Goiás overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Santa Helena de Goiás's monsoon runs October–March, when most of the year's rain falls.
Is fall a good time to visit Santa Helena de Goiás?
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 Santa Helena de Goiás for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Santa Helena de Goiás in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Santa Helena de Goiás sees daytime highs around 30°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 36 days see rain.
UV index in Santa Helena de Goiás in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santa Helena de Goiás peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (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) | 15 | 15 | 14 | 11 | 9 | 7 | 8 | 9 | 11 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Santa Helena de Goiás 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 Santa Helena de Goiás is worst in September — around 43 µg/m³ PM2.5 (poor), about 7.7× the cleanest month (November, 6 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) | 8 | 9 | 8 | 7 | 7 | 6 | 8 | 17 | 43 | 15 | 6 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Poor | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 8 | Good |
| Apr | 7 | Good |
| May | 7 | Good |
| Jun | 6 | Good |
| Jul | 8 | Good |
| Aug | 17 | Moderate |
| Sep | 43 | Poor |
| Oct | 15 | Moderate |
| Nov | 6 | Good |
| Dec | 7 | Good |
Where is Santa Helena de Goiás?
Santa Helena de Goiás sits at 17.8°S, 50.6°W, 566 m above sea level, in Brazil. The nearest listed city is Rio Verde, 35 km away.
Topography around Santa Helena de Goiás
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Helena de Goiás.
Within 3 km, the terrain around Santa Helena de Goiás has only modest variations in elevation — a maximum elevation change of 127 m around an average of 579 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 523 m.
The land around Santa Helena de Goiás is covered by cropland (54%) and artificial surfaces (26%) within 3 km, cropland (82%) within 16 km, and cropland (71%) 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 Santa Helena de Goiás (-17.8136°, -50.5969°, elevation 566 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.