Formosa do Rio Preto weather in August

In August, Formosa do Rio Preto sees average daytime highs of 32°C and overnight lows near 19°C, with 0 mm of rain across 0.1 wet days and about 11.6 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 32°C by the end. The sky is clear or mostly clear about 72% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Formosa do Rio Preto's 2nd-clearest and 1st-windiest month. For the whole year in context, see Formosa do Rio Preto's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
19°
2nd coldest
Rainfall
0 mm
0.1 wet days
Daylight
11 h 36 min
6:16 AM – 5:54 PM
Cloud cover
28%
2nd clearest
Wind
10 km/h
1st windiest
Solar energy
6.08 kWh/m²
Travel score
5.6
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 32°C by the end.

A typical August day in Formosa do Rio Preto reaches about 32°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, August runs about 1°C warmer than July and about 2°C cooler than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13119
23119
33119
43119
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163219
173219
183219
193219
203219
213219
223219
233220
243220
253220
263220
273220
283220
293320
303320
313320

How August really feels in Formosa do Rio Preto

Once humidity and wind are folded in, August averages 9 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
9
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Formosa do Rio Preto weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 10th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 15%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28713
38713
48713
58713
68614
78614
88614
98515
108515
118515
128416
138416
148416
158317
168317
178317
188317
198317
208317
218317
228416
238416
248416
258317
268416
278416
288515
298515
308416
318416

Chance of precipitation in August

Any precipitation

Formosa do Rio Preto gets around 0 mm of rain over 0.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
291
301
311

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1534520
2534520
3554410
4554410
5554410
6554320
7554320
8554320
9554320
10564220
11564220
12564220
13564220
14554230
15554230
16554230
17554230
18554230
19554230
20544240
21544240
22534340
23534340
24534340
25534340
26534340
27534340
28544240
29544240
30524251
31534151

Wind in August

Winds average 10 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 30 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over August. Sunrise moves from 6:22 AM to 6:08 AM, and sunset from 5:52 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:225:52
211.56:215:52
311.56:215:52
411.56:215:53
511.56:205:53
611.56:205:53
711.66:205:53
811.66:195:53
911.66:195:53
1011.66:195:53
1111.66:185:53
1211.66:185:54
1311.66:175:54
1411.66:175:54
1511.66:165:54
1611.66:165:54
1711.66:155:54
1811.76:155:54
1911.76:145:54
2011.76:145:54
2111.76:135:54
2211.76:135:54
2311.76:125:54
2411.76:125:54
2511.76:115:54
2611.76:115:54
2711.76:105:54
2811.76:095:54
2911.86:095:54
3011.86:085:54
3111.86:085:54

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.08 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 — August's 6.08 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in August

Hazard calendar for Formosa do Rio Preto

In seasonPeak

None of Formosa do Rio Preto's seasonal hazards are active in August. 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 August a good time to visit Formosa do Rio Preto?

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

5.6
Sightseeing
4th-best month of the year
8.5
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Formosa do Rio Preto for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Formosa do Rio Preto in August

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

In August, Formosa do Rio Preto sees daytime highs around 32°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Formosa do Rio Preto in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).