Formosa do Rio Preto in Spring

In spring (September, October and November), Formosa do Rio Preto sees average daytime highs around 33°C and overnight lows near 22°C, with 200 mm of rain over about 20 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Over the season highs ease from about 33°C in early September to 30°C by late November. The sky is clear or mostly clear about 42% of the time across spring, and the air most often feels comfortable.

Spring is Formosa do Rio Preto's weakest season of the year to visit on our travel score. For the whole year in context, see Formosa do Rio Preto's year-round climate.

Avg daytime high
33°C
warmest season of the year
Avg overnight low
22°C
Rainfall
200 mm
20 wet days
Avg wind
8 km/h
Travel score
3.9
weakest season of the year
Months
Sep · Oct · Nov

Temperature in Formosa do Rio Preto in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 33°C in early September to 30°C by late November.

A typical spring day in Formosa do Rio Preto reaches about 33°C and drops to 22°C overnight. The warmest of the three months is September, the coolest September.

15°20°25°30°35°40°SepOctNov

How spring really feels in Formosa do Rio Preto

Once humidity and wind are folded in, spring brings about 80 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
80
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Formosa do Rio Preto 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°1681712.64.2
Feb30° / 21°13416.212.44.2
Mar30° / 21°15016.412.14.3
Apr30° / 21°729.811.85.0
May30° / 20°202.811.55.7
Jun30° / 19°00.111.46.4
Jul30° / 19°00.111.46.5
Aug32° / 19°00.111.65.6
Sep33° / 21°6111.94.2
Oct33° / 22°555.912.23.6
Nov31° / 22°13912.912.53.9
Dec30° / 21°13814.512.64.2

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Formosa do Rio Preto gets around 200 mm of rain over 20 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Spring

Winds average 8 km/h across spring.

051015SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 48 min in early September to 12 h 36 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.3 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Formosa do Rio Preto

In seasonPeak

In spring, Formosa do Rio Preto overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Formosa do Rio Preto's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is spring a good time to visit Formosa do Rio Preto?

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.

3.9
Sightseeing
4th-best month of the year
6.8
Beach & pool
3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Formosa do Rio Preto. The water and warmth also suit a beach or pool day.

What to pack for Formosa do Rio Preto in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Formosa do Rio Preto sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 20 days see rain.

light clothessun protectionrain gear

UV index in Formosa do Rio Preto in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Formosa do Rio Preto peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 22UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Formosa do Rio Preto in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Formosa do Rio Preto is worst in October — around 24 µg/m³ PM2.5 (moderate), about 6.2× the cleanest month (July, 4 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1224 µg/m³Jul 124 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr6Good
May5Good
Jun4Good
Jul4Good
Aug5Good
Sep21Moderate
Oct24Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Formosa do Rio Preto?

Formosa do Rio Preto sits at 11.0°S, 45.2°W, 495 m above sea level, in Brazil. The nearest listed city is Corrente, 67 km away.

Topography around Formosa do Rio Preto

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Formosa do Rio Preto.

Within 3 km, the terrain around Formosa do Rio Preto has only modest variations in elevation — a maximum elevation change of 92 m around an average of 503 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 285 m; within 80 km, significant variations in elevation — a maximum elevation change of 473 m.

The land around Formosa do Rio Preto is covered by trees (42%) and grassland (28%) within 3 km, trees (66%) within 16 km, and trees (37%) and shrubs (35%) within 80 km.

3 km
92 m
16 km
285 m
80 km
473 m
treesshrubsgrasslandcroplandartificial surfaceswater
Spring weather nearby: Corrente 67 km · Santa Rita de Cássia 74 km · Riachão das Neves 84 km · Barreiras 125 km · Luis Eduardo Magalhães 133 km · São Desidério 148 km · Buritirama 175 km · Dianópolis 189 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
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Formosa do Rio Preto (-11.0483°, -45.1931°, elevation 495 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.