Guapiaçu in Spring
In spring (September, October and November), Guapiaçu sees average daytime highs around 31°C and overnight lows near 20°C, with 334 mm of rain over about 36 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels muggy.
Spring is Guapiaçu's 3rd-best season to visit on our travel score. For the whole year in context, see Guapiaçu's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 334 mm
- 36 wet days
- Avg wind
- 10 km/h
- Travel score
- 4.3
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Guapiaçu in Spring
Across spring, daytime highs hold fairly steady around 31°C.
A typical spring day in Guapiaçu reaches about 31°C and drops to 20°C overnight. The warmest of the three months is October, the coolest September.
How spring really feels in Guapiaçu
Once humidity and wind are folded in, spring brings about 13 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Guapiaçu 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 | 30° / 22° | 264 | 23.2 | 13.1 | 3.4 |
| Feb | 30° / 22° | 189 | 19.8 | 12.7 | 3.6 |
| Mar | 30° / 21° | 172 | 19.1 | 12.1 | 4.0 |
| Apr | 29° / 20° | 62 | 9.1 | 11.5 | 5.6 |
| May | 27° / 17° | 44 | 5.1 | 11 | 7.4 |
| Jun | 27° / 16° | 24 | 3.1 | 10.8 | 7.9 |
| Jul | 28° / 16° | 15 | 2.1 | 10.9 | 8.0 |
| Aug | 30° / 17° | 18 | 2.5 | 11.3 | 6.5 |
| Sep | 31° / 19° | 58 | 6.5 | 11.9 | 5.0 |
| Oct | 31° / 21° | 111 | 12.1 | 12.5 | 4.1 |
| Nov | 31° / 21° | 166 | 17 | 13 | 3.9 |
| Dec | 30° / 22° | 224 | 22.3 | 13.2 | 3.5 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
Guapiaçu gets around 334 mm of rain over 36 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 36 min in early September to 13 h 12 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 6.0 kWh/m².
Hazard calendar for Guapiaçu
In spring, Guapiaçu overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Guapiaçu's monsoon runs November–March, when most of the year's rain falls.
Is spring a good time to visit Guapiaçu?
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 Guapiaçu for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Guapiaçu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Guapiaçu sees daytime highs around 31°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 36 days see rain.
UV index in Guapiaçu in Spring
Clear-sky midday UV across spring 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 Guapiaçu peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (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 | 13 | 10 | 8 | 7 | 7 | 8 | 10 | 10 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | High |
| Aug | 8 | Very high |
| Sep | 10 | Very high |
| Oct | 10 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Guapiaçu 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 Guapiaçu is worst in September — around 24 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 8 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) | 9 | 9 | 10 | 10 | 11 | 10 | 10 | 19 | 24 | 16 | 8 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 10 | Good |
| May | 11 | Good |
| Jun | 10 | Good |
| Jul | 10 | Good |
| Aug | 19 | Moderate |
| Sep | 24 | Moderate |
| Oct | 16 | Moderate |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Guapiaçu?
Guapiaçu sits at 20.8°S, 49.2°W, 508 m above sea level, in Brazil. The nearest listed city is São José do Rio Preto, 17 km away.
Topography around Guapiaçu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guapiaçu.
Within 3 km, the terrain around Guapiaçu has only modest variations in elevation — a maximum elevation change of 100 m around an average of 522 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 157 m; within 80 km, significant variations in elevation — a maximum elevation change of 288 m.
The land around Guapiaçu is covered by cropland (49%) and trees (21%) within 3 km, cropland (56%) and trees (22%) within 16 km, and cropland (63%) and trees (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 Guapiaçu (-20.795°, -49.2203°, elevation 508 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.