Ouro Preto do Oeste weather in August

In August, Ouro Preto do Oeste sees average daytime highs of 34°C and overnight lows near 21°C, with 24 mm of rain across 4.5 wet days and about 11.6 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 65% of the time in August, and the air most often feels humid.

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 Ouro Preto do Oeste's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Ouro Preto do Oeste's year-round climate.

Daytime high
34°
1st warmest
Overnight low
21°
3rd coldest
Rainfall
24 mm
4.5 wet days
Daylight
11 h 36 min
6:24 AM – 6:02 PM
Cloud cover
34%
2nd clearest
Wind
7 km/h
2nd windiest
Solar energy
5.49 kWh/m²
Travel score
3.8
out of 10

Ouro Preto do Oeste is 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

Day-to-day highs hold fairly steady near 34°C through the month.

A typical August day in Ouro Preto do Oeste reaches about 34°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13321
23321
33321
43321
53321
63321
73321
83421
93421
103421
113421
123421
133421
143421
153421
163421
173421
183421
193421
203421
213422
223422
233422
243422
253422
263422
273422
283422
293422
303422
313422

How August really feels in Ouro Preto do Oeste

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ouro Preto do Oeste weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°27228.512.62.9
Feb29° / 23°26226.112.42.9
Mar30° / 23°2352812.12.9
Apr30° / 22°14822.911.83.4
May30° / 22°7914.811.54.5
Jun31° / 21°203.911.45.4
Jul32° / 20°122.111.44.9
Aug34° / 21°244.511.63.8
Sep33° / 23°8513.411.93.1
Oct32° / 23°14821.212.22.8
Nov31° / 23°22124.512.52.9
Dec30° / 23°25426.912.63.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58713
68713
78713
88614
98614
108515
118416
128317
138317
148317
158218
168119
178119
188119
198119
208020
218020
228020
237822
247723
257723
267624
277624
287525
297525
307327
317327

Chance of precipitation in August

Any precipitation

Ouro Preto do Oeste gets around 24 mm of rain over 4.5 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 16% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
18
28
38
48
59
69
710
810
911
1012
1112
1213
1314
1414
1514
1615
1715
1816
1916
2017
2118
2219
2319
2420
2521
2622
2723
2824
2925
3027
3128

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
193131228
293131218
383131218
483031219
5830312110
6829312110
7828312211
8827312212
9826312212
10826302313
11825302314
12725302315
13724302416
14723292416
15723292517
16722292518
17721292618
18720282619
19619282720
20617272821
21616272823
22615262924
23614253025
24613253126
25512243127
26511233228
27510223330
2859223331
2958213432
3047203434
3147193535

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:29 AM to 6:15 AM, and sunset from 6:01 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:296:01
211.56:296:01
311.56:296:01
411.56:286:01
511.66:286:01
611.66:286:01
711.66:276:01
811.66:276:02
911.66:276:02
1011.66:266:02
1111.66:266:02
1211.66:256:02
1311.66:256:02
1411.66:256:02
1511.66:246:02
1611.66:246:02
1711.76:236:02
1811.76:236:02
1911.76:226:02
2011.76:226:02
2111.76:216:02
2211.76:216:02
2311.76:206:02
2411.76:206:02
2511.76:196:02
2611.76:186:02
2711.76:186:02
2811.86:176:02
2911.86:176:02
3011.86:166:02
3111.86:156:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.49 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.77 kWh/m² in October across the year — August's 5.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in August

Hazard calendar for Ouro Preto do Oeste

In seasonPeak

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

Ouro Preto do Oeste's rainy season runs October–April, 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 Ouro Preto do Oeste?

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

3.8
Sightseeing
4th-best month of the year
7.2
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Ouro Preto do Oeste. The water and warmth also suit a beach or pool day.

What to pack for Ouro Preto do Oeste in August

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

In August, Ouro Preto do Oeste sees daytime highs around 34°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Ouro Preto do Oeste in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ouro Preto do Oeste peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 24UV 15Sep 13UV 3
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Ouro Preto do Oeste 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 Ouro Preto do Oeste is worst in September — around 57 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodPoorModerateSep 1454 µg/m³Jun 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar13Moderate
Apr10Good
May9Good
Jun8Good
Jul8Good
Aug39Poor
Sep57Unhealthy
Oct24Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Ouro Preto do Oeste?

Ouro Preto do Oeste sits at 10.7°S, 62.2°W, 214 m above sea level, in Brazil. The nearest listed city is Ji Paraná, 33 km away.

Topography around Ouro Preto do Oeste

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

Within 3 km, the terrain around Ouro Preto do Oeste has significant variations in elevation — a maximum elevation change of 275 m around an average of 229 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 303 m; within 80 km, significant variations in elevation — a maximum elevation change of 462 m.

The land around Ouro Preto do Oeste is covered by grassland (59%) and trees (40%) within 3 km, grassland (73%) and trees (25%) within 16 km, and grassland (67%) and trees (32%) within 80 km.

3 km
275 m
16 km
303 m
80 km
462 m
treesgrasslandartificial surfaces
August weather nearby: Ji Paraná 33 km · Jaru 44 km · Presidente Médici 59 km · Cacoal 114 km · São Miguel do Guaporé 118 km · Rolim de Moura 126 km · Ariquemes 129 km · Alta Floresta d'Oeste 139 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 Ouro Preto do Oeste (-10.7481°, -62.2158°, elevation 214 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).