São Miguel do Guaporé weather in August

In August, São Miguel do Guaporé sees average daytime highs of 33°C and overnight lows near 20°C, with 28 mm of rain across 5.2 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 33°C through the month. The sky is clear or mostly clear about 65% of the time in August, and the air most often feels muggy.

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 São Miguel do Guaporé's 2nd-clearest and 1st-windiest month. For the whole year in context, see São Miguel do Guaporé's year-round climate.

Daytime high
33°
1st warmest
Overnight low
20°
3rd coldest
Rainfall
28 mm
5.2 wet days
Daylight
11 h 36 min
6:27 AM – 6:03 PM
Cloud cover
35%
2nd clearest
Wind
7 km/h
1st windiest
Solar energy
5.38 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 São Miguel do Guaporé reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13320
23320
33320
43320
53320
63320
73320
83320
93320
103320
113320
123320
133320
143320
153320
163320
173320
183321
193321
203321
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321
313321

How August really feels in São Miguel do Guaporé

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.

São Miguel do Guaporé 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
Jan30° / 23°25527.812.62.9
Feb29° / 23°25625.612.42.9
Mar30° / 23°24527.612.12.9
Apr30° / 22°14821.711.73.5
May30° / 21°7114.211.54.7
Jun31° / 20°194.411.35.5
Jul32° / 19°142.811.45.2
Aug33° / 20°285.211.64.2
Sep33° / 22°7613.411.93.3
Oct32° / 23°14421.112.32.9
Nov31° / 23°20224.412.52.9
Dec30° / 23°2392712.72.9

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 15% of August, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38614
48614
58515
68416
78416
88416
98317
108317
118218
128119
138119
148020
158020
168020
178020
187921
197921
207921
217921
227822
237822
247723
257723
267624
277624
287624
297624
307525
317426

Chance of precipitation in August

Any precipitation

São Miguel do Guaporé gets around 28 mm of rain over 5.2 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 17% 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 (%)
19
29
39
49
59
610
710
811
912
1012
1113
1214
1315
1416
1516
1617
1718
1818
1919
2020
2121
2222
2322
2423
2523
2624
2725
2825
2926
3027
3128

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1620362810
2619352811
3619352811
4719342912
5718342912
6718333013
7717323013
8717313014
9717303115
10716303116
11716293017
12716283019
13716283020
14716282921
15615272922
16615272923
17615272924
18614262825
19614262827
20513252828
21513242830
22512242831
23511232832
24511232833
25410222935
2649223036
2748213037
2848203138
2947193139
3046183240
3136173242

Wind in August

Winds average 7 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 6 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
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:33 AM to 6:18 AM, and sunset from 6:01 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:336:01
211.56:326:01
311.56:326:02
411.56:326:02
511.56:316:02
611.56:316:02
711.56:316:02
811.56:306:02
911.56:306:03
1011.66:296:03
1111.66:296:03
1211.66:296:03
1311.66:286:03
1411.66:286:03
1511.66:276:03
1611.66:276:03
1711.66:266:03
1811.66:266:03
1911.66:256:03
2011.66:256:03
2111.76:246:04
2211.76:236:04
2311.76:236:04
2411.76:226:04
2511.76:226:04
2611.76:216:04
2711.76:216:04
2811.76:206:04
2911.76:196:04
3011.86:196:04
3111.86:186:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.38 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 5.67 kWh/m² in October across the year — August's 5.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for São Miguel do Guaporé

In seasonPeak

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

São Miguel do Guaporé'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 São Miguel do Guaporé?

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
7.3
Beach & pool
3rd-best month of the year

August is a reasonable time to visit São Miguel do Guaporé for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Miguel do Guaporé in August

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

In August, São Miguel do Guaporé sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in São Miguel do Guaporé in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Miguel do Guaporé peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (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 14UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep3Moderate
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in São Miguel do Guaporé 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 São Miguel do Guaporé is worst in September — around 70 µg/m³ PM2.5 (unhealthy), about 8.6× the cleanest month (June, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateUnhealthyModerateSep 1666 µg/m³Jun 108 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar12Moderate
Apr9Good
May8Good
Jun8Good
Jul10Good
Aug39Poor
Sep70Unhealthy
Oct38Poor
Nov19Moderate
Dec13Moderate
Location & terrain

Where is São Miguel do Guaporé?

São Miguel do Guaporé sits at 11.7°S, 62.7°W, 193 m above sea level, in Brazil. The nearest listed city is Alta Floresta d'Oeste, 88 km away.

Topography around São Miguel do Guaporé

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Miguel do Guaporé.

Within 3 km, the terrain around São Miguel do Guaporé has only modest variations in elevation — a maximum elevation change of 50 m around an average of 192 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 506 m.

The land around São Miguel do Guaporé is covered by grassland (57%) within 3 km, grassland (48%) and trees (45%) within 16 km, and trees (60%) and grassland (39%) within 80 km.

3 km
50 m
16 km
250 m
80 km
506 m
treesgrasslandcroplandartificial surfaces
August weather nearby: Alta Floresta d'Oeste 88 km · Rolim de Moura 100 km · São Francisco do Guaporé 101 km · Presidente Médici 105 km · Ouro Preto do Oeste 118 km · Ji Paraná 122 km · Cacoal 141 km · Jaru 142 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 São Miguel do Guaporé (-11.6936°, -62.7114°, elevation 193 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).