São Gabriel da Cachoeira weather in August

In August, São Gabriel da Cachoeira sees average daytime highs of 30°C and overnight lows near 22°C, with 199 mm of rain across 27.4 wet days and about 12 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 7% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of August to 12 hours by month's end. Set against the rest of the year, August is São Gabriel da Cachoeira's 1st-clearest and 9th-windiest month. For the whole year in context, see São Gabriel da Cachoeira's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
2nd coldest
Rainfall
199 mm
27.4 wet days
Daylight
12 hours
6:33 AM – 6:32 PM
Cloud cover
70%
1st clearest
Wind
4 km/h
9th windiest
Solar energy
4.62 kWh/m²
Travel score
3.1
out of 10

São Gabriel da Cachoeira 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

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in São Gabriel da Cachoeira reaches about 30°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How August really feels in São Gabriel da Cachoeira

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 Gabriel da Cachoeira weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25827.6122.8
Feb30° / 23°25124.4122.9
Mar30° / 23°30128.5122.7
Apr30° / 23°33328.1122.7
May29° / 23°36829.7122.9
Jun29° / 23°32128.7123.0
Jul29° / 22°26028.7123.2
Aug30° / 22°19927.4123.1
Sep31° / 23°17326122.9
Oct31° / 23°19226.4122.8
Nov31° / 23°21227.4122.7
Dec30° / 23°24829.2122.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42872
52872
62971
72872
82872
92872
102773
112674
122674
132674
142674
152674
162674
172773
182773
192773
202872
212872
222872
232872
242971
253070
263070
273070
283070
293070
303169
313169

Chance of precipitation in August

Any precipitation

São Gabriel da Cachoeira gets around 199 mm of rain over 27.4 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 89% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
390
490
589
689
789
889
989
1089
1189
1289
1389
1489
1588
1688
1788
1888
1988
2088
2188
2288
2388
2488
2588
2688
2788
2888
2988
3088
3188

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
118712
218712
318613
418514
518415
618316
718316
818217
918118
1018019
1118019
1217920
1317821
1417821
1517722
1617722
1717623
1817524
1917524
2017425
2117326
2217227
2317227
2417128
2517128
2617029
2717029
2816930
2916930
3006931
3106931

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 hours at the start of August to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over August. Sunrise moves from 6:35 AM to 6:28 AM, and sunset from 6:34 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:356:34
212.06:346:34
312.06:346:34
412.06:346:34
512.06:346:34
612.06:346:34
712.06:346:34
812.06:346:34
912.06:346:34
1012.06:346:33
1112.06:336:33
1212.06:336:33
1312.06:336:33
1412.06:336:33
1512.06:336:33
1612.06:336:32
1712.06:326:32
1812.06:326:32
1912.06:326:32
2012.06:326:31
2112.06:316:31
2212.06:316:31
2312.06:316:31
2412.06:316:30
2512.06:306:30
2612.06:306:30
2712.06:306:30
2812.06:296:29
2912.06:296:29
3012.06:296:29
3112.06:286:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.62 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 5.11 kWh/m² in September across the year — August's 4.62 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in August

Is August a good time to visit São Gabriel da Cachoeira?

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

3.1
Sightseeing
2nd-best month of the year
4.1
Beach & pool
1st-best month of the year

August is a weaker month for outdoor sightseeing in São Gabriel da Cachoeira.

What to pack for São Gabriel da Cachoeira in August

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

In August, São Gabriel da Cachoeira sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in São Gabriel da Cachoeira in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Gabriel da Cachoeira peaks around February 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 22 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 14UV 14Jul 22UV 11
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in São Gabriel da Cachoeira 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 Gabriel da Cachoeira is worst in March — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1619 µg/m³Jun 1710 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar20Moderate
Apr17Moderate
May11Good
Jun10Good
Jul11Good
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is São Gabriel da Cachoeira?

São Gabriel da Cachoeira sits at 0.1°S, 67.1°W, 74 m above sea level, in Brazil. The nearest listed city is Maraã, 256 km away.

MaraãFonte BoaTonantinsSanto Antônio do IçáMitúUariniSão Paulo de OlivençaAlvarães

Topography around São Gabriel da Cachoeira

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Gabriel da Cachoeira.

Within 3 km, the terrain around São Gabriel da Cachoeira has only modest variations in elevation — a maximum elevation change of 150 m around an average of 74 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 522 m; within 80 km, large variations in elevation — a maximum elevation change of 985 m.

The land around São Gabriel da Cachoeira is covered by trees (71%) within 3 km, trees (91%) within 16 km, and trees (98%) within 80 km.

3 km
150 m
16 km
522 m
80 km
985 m
treesgrasslandartificial surfaceswater
August weather nearby: Maraã 256 km · Fonte Boa 288 km · Tonantins 317 km · Santo Antônio do Içá 345 km · Mitú 382 km · Uarini 388 km · São Paulo de Olivença 413 km · Alvarães 428 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 Gabriel da Cachoeira (-0.1181°, -67.0853°, elevation 74 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).