Riachão das Neves weather in August

In August, Riachão das Neves sees average daytime highs of 32°C and overnight lows near 19°C, with 1 mm of rain across 0.1 wet days and about 11.6 hours of daylight. It is the 3rd-warmest and 11th-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 70% 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 Riachão das Neves's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Riachão das Neves's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
19°
2nd coldest
Rainfall
1 mm
0.1 wet days
Daylight
11 h 36 min
6:15 AM – 5:52 PM
Cloud cover
29%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
6.02 kWh/m²
Travel score
5.5
out of 10

Riachão das Neves 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 Riachão das Neves reaches about 32°C in the afternoon and slips back to 19°C overnight — a 13°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)
13118
23118
33118
43118
53118
63118
73119
83119
93119
103119
113119
123119
133119
143119
153119
163219
173219
183219
193219
203219
213219
223219
233219
243219
253219
263219
273220
283220
293320
303320
313320

How August really feels in Riachão das Neves

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.

Riachão das Neves weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°16316.412.64.2
Feb30° / 21°12215.112.44.2
Mar30° / 21°15316.412.14.2
Apr30° / 21°659.411.74.9
May31° / 20°182.911.55.6
Jun30° / 19°10.111.36.3
Jul30° / 18°0011.46.4
Aug32° / 19°10.111.65.5
Sep34° / 21°71.111.94.2
Oct34° / 23°536.112.33.5
Nov31° / 22°15613.512.53.8
Dec30° / 21°15714.512.74.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 17%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28416
38416
48416
58416
68416
78416
88416
98416
108416
118416
128317
138317
148317
158218
168119
178119
188119
198119
208218
218218
228218
238218
248218
258317
268416
278416
288416
298416
308515
318515

Chance of precipitation in August

Any precipitation

Riachão das Neves gets around 1 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
131
141
151
161
171
181
191
201
211
221
230
240
250
260
270
281
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 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
158411
258411
359401
459401
560391
660391
760391
860382
960382
1061372
1161372
1262362
1361363
1461363
1561363
1660373
1760373
1860373
1959383
2059383
2158393
2258393
2357403
2457403
2557403
2657403
2756413
2856413
2956413
3056413
3156404

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 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
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:21 AM to 6:07 AM, and sunset from 5:50 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:215:50
211.56:215:50
311.56:215:50
411.56:205:51
511.56:205:51
611.56:205:51
711.56:195:51
811.56:195:51
911.56:195:51
1011.66:185:51
1111.66:185:51
1211.66:175:52
1311.66:175:52
1411.66:165:52
1511.66:165:52
1611.66:155:52
1711.66:155:52
1811.66:145:52
1911.66:145:52
2011.66:135:52
2111.76:135:52
2211.76:125:52
2311.76:125:52
2411.76:115:52
2511.76:115:52
2611.76:105:52
2711.76:095:52
2811.76:095:52
2911.76:085:52
3011.76:085:52
3111.86:075:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.02 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.6 kWh/m² in September across the year — August's 6.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
136.0Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.4Intense
Planning a trip in August

Hazard calendar for Riachão das Neves

In seasonPeak

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

Riachão das Neves'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 Riachão das Neves?

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

5.5
Sightseeing
4th-best month of the year
8.5
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Riachão das Neves for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Riachão das Neves in August

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

In August, Riachão das Neves sees daytime highs around 32°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Riachão das Neves in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riachão das Neves peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 23UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Riachão das Neves 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 Riachão das Neves is worst in September — around 25 µg/m³ PM2.5 (moderate), about 5.7× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2324 µg/m³Jul 154 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar7Good
Apr6Good
May5Good
Jun5Good
Jul4Good
Aug6Good
Sep25Moderate
Oct24Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Riachão das Neves?

Riachão das Neves sits at 11.7°S, 44.9°W, 503 m above sea level, in Brazil. The nearest listed city is Barreiras, 46 km away.

Topography around Riachão das Neves

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Riachão das Neves.

Within 3 km, the terrain around Riachão das Neves has only modest variations in elevation — a maximum elevation change of 192 m around an average of 533 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 357 m; within 80 km, significant variations in elevation — a maximum elevation change of 401 m.

The land around Riachão das Neves is covered by trees (35%), grassland (29%) and shrubs (24%) within 3 km, trees (49%) and shrubs (31%) within 16 km, and shrubs (41%) and trees (35%) within 80 km.

3 km
192 m
16 km
357 m
80 km
401 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: Barreiras 46 km · São Desidério 69 km · Formosa do Rio Preto 84 km · Santa Rita de Cássia 92 km · Luis Eduardo Magalhães 103 km · Corrente 147 km · Serra Dourada 154 km · Santana 166 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 Riachão das Neves (-11.7461°, -44.91°, elevation 503 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).