Formosa do Rio Preto weather in October

In October, Formosa do Rio Preto sees average daytime highs of 33°C and overnight lows near 22°C, with 55 mm of rain across 5.9 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 40% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Formosa do Rio Preto's 5th-clearest and 5th-windiest month. For the whole year in context, see Formosa do Rio Preto's year-round climate.

Daytime high
33°
1st warmest
Overnight low
22°
12th coldest
Rainfall
55 mm
5.9 wet days
Daylight
12 h 12 min
5:38 AM – 5:53 PM
Cloud cover
51%
5th clearest
Wind
9 km/h
5th windiest
Solar energy
6.44 kWh/m²
Travel score
3.6
out of 10

Formosa do Rio Preto is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical October day in Formosa do Rio Preto reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, October runs on par with September and about 2°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13422
23422
33422
43422
53422
63422
73422
83422
93422
103422
113422
123422
133422
143422
153422
163422
173422
183422
193322
203322
213322
223322
233322
243322
253322
263322
273322
283322
293322
303322
313222

How October really feels in Formosa do Rio Preto

Once humidity and wind are folded in, October averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Formosa do Rio Preto weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 21% of October, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47228
57129
67129
77030
87030
96832
106832
116733
126634
136535
146337
156337
166238
176139
186040
195941
205842
215743
225644
235545
245446
255347
265248
275149
285050
294951
304852
314852

Chance of precipitation in October

Any precipitation

Formosa do Rio Preto gets around 55 mm of rain over 5.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
17
27
38
48
58
69
710
810
911
1012
1113
1214
1315
1416
1517
1618
1719
1819
1920
2022
2123
2224
2326
2427
2528
2629
2730
2831
2932
3033
3134

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
127442080
227452080
326452090
426451990
5254519101
6254518111
7254518111
8254418121
9254317131
10254317141
11254216151
12254116162
13254016172
14253916182
15243816192
16243717203
17233517213
18233418223
19223318234
20213119254
21203019264
22192920285
23182820295
24172620316
25162521326
26152421346
27142321366
28132221377
29122221387
30112121407
31112021417

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 5:47 AM to 5:33 AM, and sunset from 5:53 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:475:53
212.15:465:53
312.15:465:53
412.15:455:53
512.15:445:53
612.15:445:53
712.25:435:53
812.25:435:53
912.25:425:53
1012.25:415:53
1112.25:415:53
1212.25:405:53
1312.25:405:53
1412.25:395:53
1512.25:395:53
1612.25:385:53
1712.35:385:53
1812.35:375:54
1912.35:375:54
2012.35:365:54
2112.35:365:54
2212.35:365:54
2312.35:355:54
2412.35:355:54
2512.35:345:55
2612.35:345:55
2712.45:345:55
2812.45:335:55
2912.45:335:56
3012.45:335:56
3112.45:335:56

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.44 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.61 kWh/m² in September across the year — October's 6.44 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.3Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in October

Hazard calendar for Formosa do Rio Preto

In seasonPeak

None of Formosa do Rio Preto's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 October a good time to visit Formosa do Rio Preto?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.6
Sightseeing
12th-best month of the year
6.8
Beach & pool
7th-best month of the year

October 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 October

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

In October, Formosa do Rio Preto sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Formosa do Rio Preto in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks 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 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).