Rolim de Moura weather in August

In August, Rolim de Moura sees average daytime highs of 33°C and overnight lows near 21°C, with 16 mm of rain across 3.1 wet days and about 11.6 hours of daylight. It is the 2nd-warmest and 10th-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 70% 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 Rolim de Moura's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Rolim de Moura's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
21°
3rd coldest
Rainfall
16 mm
3.1 wet days
Daylight
11 h 36 min
6:23 AM – 5:59 PM
Cloud cover
31%
2nd clearest
Wind
7 km/h
2nd windiest
Solar energy
5.52 kWh/m²
Travel score
4.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Rolim de Moura reaches about 33°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 30°C and 35°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)
13320
23320
33320
43320
53320
63320
73320
83320
93320
103320
113320
123321
133321
143321
153321
163321
173321
183321
193321
203321
213321
223321
233321
243321
253321
263321
273321
283321
293322
303322
313422

How August really feels in Rolim de Moura

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.

Rolim de Moura weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°25227.612.63.0
Feb29° / 22°25025.512.43.0
Mar30° / 22°21326.512.13.1
Apr30° / 22°11519.411.73.8
May30° / 21°491011.55.1
Jun31° / 20°92.311.35.6
Jul32° / 20°61.611.45.3
Aug33° / 21°163.111.64.2
Sep33° / 22°5410.111.93.3
Oct33° / 23°10317.112.33.0
Nov31° / 23°17021.712.53.1
Dec30° / 22°22325.112.73.1

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%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58812
68812
78713
88713
98614
108515
118515
128416
138416
148416
158317
168317
178317
188218
198218
208218
218218
228119
238119
248020
258020
267921
277921
287921
297921
307822
317723

Chance of precipitation in August

Any precipitation

Rolim de Moura gets around 16 mm of rain over 3.1 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 11% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
75
85
96
106
117
128
138
149
1510
1610
1711
1811
1912
2012
2113
2214
2314
2415
2516
2616
2717
2818
2918
3019
3120

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
183533204
293533204
393433204
493433205
593333205
693232216
793132216
893032227
992932228
1092931229
1192831239
12927312310
13926302311
14926302411
15925302412
16925302512
17824302513
18823292614
19822292714
20821292815
21720282916
22718283017
23717283118
24616273218
25615273319
26614263420
27513253521
28512243722
29511243823
30510233924
3149223925

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 6:14 AM, and sunset from 5:57 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:295:57
211.56:295:58
311.56:285:58
411.56:285:58
511.56:285:58
611.56:275:58
711.56:275:58
811.56:275:59
911.56:265:59
1011.56:265:59
1111.66:255:59
1211.66:255:59
1311.66:255:59
1411.66:245:59
1511.66:245:59
1611.66:235:59
1711.66:236:00
1811.66:226:00
1911.66:226:00
2011.66:216:00
2111.76:216:00
2211.76:206:00
2311.76:196:00
2411.76:196:00
2511.76:186:00
2611.76:186:00
2711.76:176:00
2811.76:166:00
2911.76:166:00
3011.76:156:00
3111.86:146:00

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.52 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 5.88 kWh/m² in October across the year — August's 5.52 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
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
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in August

Hazard calendar for Rolim de Moura

In seasonPeak

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

Rolim de Moura's monsoon runs November–April, when most of the year's rain falls.

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

Is August a good time to visit Rolim de Moura?

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

4.2
Sightseeing
4th-best month of the year
7.6
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Rolim de Moura for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rolim de Moura in August

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

In August, Rolim de Moura sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Rolim de Moura in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rolim de Moura peaks around January 23 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 23UV 16Sep 15UV 4
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug9Very high
Sep3Moderate
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Rolim de Moura 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 Rolim de Moura is worst in September — around 54 µg/m³ PM2.5 (poor), about 6.7× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1550 µg/m³Jun 238 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr9Good
May8Good
Jun8Good
Jul8Good
Aug29Moderate
Sep54Poor
Oct22Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Rolim de Moura?

Rolim de Moura sits at 11.8°S, 61.8°W, 254 m above sea level, in Brazil. The nearest listed city is Alta Floresta d'Oeste, 25 km away.

Topography around Rolim de Moura

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rolim de Moura.

Within 3 km, the terrain around Rolim de Moura has only modest variations in elevation — a maximum elevation change of 84 m around an average of 263 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 254 m; within 80 km, significant variations in elevation — a maximum elevation change of 422 m.

The land around Rolim de Moura is covered by grassland (79%) and trees (21%) within 3 km, grassland (74%) and trees (22%) within 16 km, and grassland (65%) and trees (34%) within 80 km.

3 km
84 m
16 km
254 m
80 km
422 m
treesgrasslandcroplandartificial surfaces
August weather nearby: Alta Floresta d'Oeste 25 km · Cacoal 56 km · Pimenta Bueno 68 km · Presidente Médici 71 km · Espigão dOeste 92 km · São Miguel do Guaporé 100 km · Ji Paraná 103 km · Ouro Preto do Oeste 126 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 Rolim de Moura (-11.8036°, -61.8033°, elevation 254 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).