São Geraldo do Araguaia weather in August

In August, São Geraldo do Araguaia sees average daytime highs of 34°C and overnight lows near 23°C, with 5 mm of rain across 1 wet days and about 11.8 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 74% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is São Geraldo do Araguaia's 1st-clearest and 2nd-windiest month. For the whole year in context, see São Geraldo do Araguaia's year-round climate.

Daytime high
34°
1st warmest
Overnight low
23°
3rd coldest
Rainfall
5 mm
1 wet days
Daylight
11 h 48 min
6:25 AM – 6:12 PM
Cloud cover
29%
1st clearest
Wind
8 km/h
2nd windiest
Solar energy
6 kWh/m²
Travel score
3.6
out of 10

São Geraldo do Araguaia 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 34°C through the month.

A typical August day in São Geraldo do Araguaia reaches about 34°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13422
23422
33422
43422
53422
63422
73422
83422
93422
103422
113422
123422
133422
143422
153423
163423
173423
183523
193523
203523
213523
223523
233523
243523
253523
263523
273523
283523
293523
303523
313523

How August really feels in São Geraldo do Araguaia

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 Geraldo do Araguaia weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26928.612.32.8
Feb30° / 23°27725.812.22.7
Mar30° / 23°28328.4122.7
Apr31° / 23°20023.811.93.0
May31° / 23°10114.111.73.9
Jun33° / 22°132.611.64.5
Jul33° / 22°5111.74.2
Aug34° / 23°5111.83.6
Sep34° / 24°234123.5
Oct33° / 24°7912.312.13.5
Nov31° / 23°16520.112.33.2
Dec30° / 23°21324.912.43.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 11%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
2919
3919
4919
5919
6919
7919
8919
9919
109010
119010
129010
139010
148911
158812
168812
178812
188812
198911
208911
218911
228911
239010
248911
258911
268911
278911
288812
298713
308713
318713

Chance of precipitation in August

Any precipitation

São Geraldo do Araguaia gets around 5 mm of rain over 1 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
72
82
92
103
113
123
133
144
154
164
174
184
194
204
214
224
234
244
254
264
274
284
294
305
315

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
101943335
201843345
301842345
401842355
501742366
601741366
701641367
801640367
901540368
1001540368
1101540369
1201440369
13114403610
14114403610
15113393611
16113393611
17112393711
18112393712
19111383812
20111383912
21110374012
2219364113
2318354213
2418344314
2517334514
2617324615
2716314716
2815304717
2905294818
3005284820
3104274821

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 6:29 AM to 6:18 AM, and sunset from 6:12 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:296:12
211.76:296:12
311.76:286:12
411.76:286:12
511.76:286:12
611.76:286:12
711.76:276:12
811.76:276:12
911.86:276:12
1011.86:276:12
1111.86:266:12
1211.86:266:12
1311.86:266:12
1411.86:256:12
1511.86:256:12
1611.86:256:12
1711.86:246:12
1811.86:246:12
1911.86:246:12
2011.86:236:12
2111.86:236:12
2211.86:226:12
2311.86:226:11
2411.86:216:11
2511.86:216:11
2611.86:216:11
2711.86:206:11
2811.96:206:11
2911.96:196:11
3011.96:196:11
3111.96:186:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.21 kWh/m² in September across the year — August's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.2Intense
316.2Intense
Planning a trip in August

Hazard calendar for São Geraldo do Araguaia

In seasonPeak

None of São Geraldo do Araguaia'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 Geraldo do Araguaia'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 São Geraldo do Araguaia?

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

3.6
Sightseeing
4th-best month of the year
7.4
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in São Geraldo do Araguaia. The water and warmth also suit a beach or pool day.

What to pack for São Geraldo do Araguaia in August

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

In August, São Geraldo do Araguaia sees daytime highs around 34°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in São Geraldo do Araguaia 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 São Geraldo do Araguaia peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec10Extreme

Air quality in São Geraldo do Araguaia 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 Geraldo do Araguaia is worst in September — around 42 µg/m³ PM2.5 (poor), about 6.2× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateModerateSep 1839 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar12Good
Apr12Good
May9Good
Jun8Good
Jul7Good
Aug16Moderate
Sep42Poor
Oct26Moderate
Nov24Moderate
Dec17Moderate
Location & terrain

Where is São Geraldo do Araguaia?

São Geraldo do Araguaia sits at 6.4°S, 48.6°W, 131 m above sea level, in Brazil. The nearest listed city is Eldorado dos Carajás, 94 km away.

Topography around São Geraldo do Araguaia

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

Within 3 km, the terrain around São Geraldo do Araguaia has only modest variations in elevation — a maximum elevation change of 97 m around an average of 133 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 450 m; within 80 km, significant variations in elevation — a maximum elevation change of 492 m.

The land around São Geraldo do Araguaia is covered by grassland (38%) and water (30%) within 3 km, grassland (57%) and trees (36%) within 16 km, and grassland (64%) and trees (34%) within 80 km.

3 km
97 m
16 km
450 m
80 km
492 m
treesgrasslandartificial surfaceswater
August weather nearby: Eldorado dos Carajás 94 km · Araguaína 96 km · Araguatins 97 km · São Domingos do Araguaia 98 km · Curionópolis 120 km · Estreito 124 km · Tocantinópolis 126 km · Porto Franco 128 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 Geraldo do Araguaia (-6.4006°, -48.555°, elevation 131 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).