São Francisco do Guaporé weather in August

In August, São Francisco do Guaporé sees average daytime highs of 33°C and overnight lows near 20°C, with 30 mm of rain across 5.6 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 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 Francisco do Guaporé's 2nd-clearest and 1st-windiest month. For the whole year in context, see São Francisco do Guaporé's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
20°
3rd coldest
Rainfall
30 mm
5.6 wet days
Daylight
11 h 36 min
6:30 AM – 6:06 PM
Cloud cover
36%
2nd clearest
Wind
7 km/h
1st windiest
Solar energy
5.34 kWh/m²
Travel score
4.3
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 Francisco do Guaporé reaches about 33°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°C. Set against its neighbours, August runs about 2°C warmer than July and on par with September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13219
23219
33219
43219
53219
63219
73220
83220
93220
103220
113220
123320
133320
143320
153320
163320
173320
183320
193320
203320
213320
223320
233321
243321
253321
263321
273321
283321
293321
303321
313321

How August really feels in São Francisco 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 Francisco do Guaporé 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
Jan30° / 23°24527.612.62.8
Feb30° / 23°25825.412.42.9
Mar30° / 23°24927.712.12.9
Apr30° / 22°14821.611.73.6
May29° / 21°7414.211.54.8
Jun30° / 20°244.811.35.7
Jul31° / 19°16311.45.5
Aug33° / 20°305.611.64.3
Sep33° / 22°7213.611.93.3
Oct32° / 23°13920.212.32.9
Nov31° / 23°19323.612.62.9
Dec30° / 23°2412712.72.8

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 (%)
18515
28515
38317
48317
58317
68317
78218
88218
98218
108119
118119
128020
138020
148020
158020
167921
177921
187921
197921
207921
217921
227921
237921
247822
257822
267822
277822
287723
297723
307723
317723

Chance of precipitation in August

Any precipitation

São Francisco do Guaporé gets around 30 mm of rain over 5.6 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 18% and peaks near 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
110
210
310
410
511
611
712
812
913
1014
1114
1215
1316
1417
1517
1618
1718
1819
1920
2020
2121
2222
2323
2424
2525
2626
2727
2828
2929
3030
3131

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1711333515
2711333515
3710333515
4710323516
5710323516
6710313417
7710303418
8710293419
9710283420
10710273422
11710273423
12710263324
13710263325
14610253226
1569253227
1669243129
1769243130
1869233131
1968233033
2068223034
2158223036
2257212937
2357202938
2457202939
2557192941
2656182942
2746172943
2846162944
2946152946
3046142947
3146132948

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
166calm
176calm
186calm
196calm
206calm
216calm
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 6:36 AM to 6:22 AM, and sunset from 6:04 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:366:04
211.56:366:04
311.56:366:05
411.56:366:05
511.56:356:05
611.56:356:05
711.56:346:05
811.56:346:05
911.56:346:05
1011.56:336:06
1111.56:336:06
1211.66:326:06
1311.66:326:06
1411.66:316:06
1511.66:316:06
1611.66:306:06
1711.66:306:06
1811.66:296:06
1911.66:296:07
2011.66:286:07
2111.66:286:07
2211.76:276:07
2311.76:276:07
2411.76:266:07
2511.76:256:07
2611.76:256:07
2711.76:246:07
2811.76:246:07
2911.76:236:07
3011.76:226:07
3111.86:226:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.34 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 5.62 kWh/m² in September across the year — August's 5.34 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for São Francisco do Guaporé

In seasonPeak

None of São Francisco 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 Francisco 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 Francisco do Guaporé?

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

4.3
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 Francisco do Guaporé for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Francisco do Guaporé in August

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

In August, São Francisco do Guaporé sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in São Francisco do Guaporé in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — 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 Francisco do Guaporé peaks around January 22 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 22UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São Francisco 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 Francisco do Guaporé is worst in September — around 76 µg/m³ PM2.5 (unhealthy), about 9.4× the cleanest month (June, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodUnhealthyModerateSep 1671 µg/m³Jun 98 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar12Moderate
Apr9Good
May8Good
Jun8Good
Jul10Good
Aug41Poor
Sep76Unhealthy
Oct39Poor
Nov18Moderate
Dec13Moderate
Location & terrain

Where is São Francisco do Guaporé?

São Francisco do Guaporé sits at 12.1°S, 63.6°W, 170 m above sea level, in Brazil. The nearest listed city is São Miguel do Guaporé, 101 km away.

Topography around São Francisco do Guaporé

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

Within 3 km, the terrain around São Francisco do Guaporé has only modest variations in elevation — a maximum elevation change of 42 m around an average of 166 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, significant variations in elevation — a maximum elevation change of 513 m.

The land around São Francisco do Guaporé is covered by grassland (76%) within 3 km, grassland (68%) and trees (29%) within 16 km, and trees (66%) and grassland (28%) within 80 km.

3 km
42 m
16 km
86 m
80 km
513 m
treesgrasslandcroplandartificial surfaceswetland
August weather nearby: São Miguel do Guaporé 101 km · Alta Floresta d'Oeste 176 km · Rolim de Moura do Guaporé 181 km · Rolim de Moura 194 km · Presidente Médici 206 km · Buritis 207 km · Ouro Preto do Oeste 207 km · Jaru 216 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 Francisco do Guaporé (-12.0522°, -63.5675°, elevation 170 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).