Santana do Araguaia weather in August

In August, Santana do Araguaia sees average daytime highs of 35°C and overnight lows near 22°C, with 4 mm of rain across 0.8 wet days and about 11.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 71% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Santana do Araguaia's 2nd-clearest and 1st-windiest month. For the whole year in context, see Santana do Araguaia's year-round climate.

Daytime high
35°
1st warmest
Overnight low
22°
3rd coldest
Rainfall
4 mm
0.8 wet days
Daylight
11 h 42 min
6:35 AM – 6:16 PM
Cloud cover
30%
2nd clearest
Wind
7 km/h
1st windiest
Solar energy
5.74 kWh/m²
Travel score
3.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical August day in Santana do Araguaia reaches about 35°C in the afternoon and slips back to 22°C overnight — a 13°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.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13421
23421
33421
43421
53521
63521
73521
83521
93521
103521
113521
123522
133522
143522
153522
163522
173522
183522
193522
203522
213522
223522
233522
243522
253522
263522
273522
283522
293522
303523
313523

How August really feels in Santana 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.

Santana do Araguaia weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°31628.412.52.8
Feb30° / 22°27826.112.32.8
Mar30° / 23°29328.612.12.8
Apr31° / 23°21122.611.83.2
May32° / 22°8010.911.64.1
Jun33° / 22°51.111.54.6
Jul34° / 21°10.211.54.3
Aug35° / 22°40.811.73.3
Sep35° / 23°364.811.93.0
Oct32° / 23°13016.512.23.1
Nov31° / 23°2262412.42.9
Dec30° / 23°27426.912.52.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
38911
48911
58911
68713
78713
88614
98614
108614
118614
128515
138515
148515
158515
168515
178515
188416
198317
208317
218317
228317
238317
248317
258317
268218
278218
288218
298119
308020
318020

Chance of precipitation in August

Any precipitation

Santana do Araguaia gets around 4 mm of rain over 0.8 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 2% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
51
61
71
81
91
102
112
122
132
142
153
163
173
183
193
203
213
223
233
243
253
263
274
284
294
304
315

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
124344101
224344101
324344101
424244101
534244101
634144112
734143112
834043123
934042123
1033941133
1133940134
1243940144
1343939144
1443838154
1543838155
1643837165
1743737175
1843637175
1943637186
2043537196
2143437206
2233337216
2333237226
2433136237
2532936257
2632836267
2722735288
2822635298
2922534309
30223333110
31222333211

Wind in August

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

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
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 36 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 12 minutes over August. Sunrise moves from 6:40 AM to 6:27 AM, and sunset from 6:15 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:406:15
211.66:406:15
311.66:396:15
411.66:396:15
511.66:396:16
611.66:396:16
711.66:386:16
811.66:386:16
911.66:386:16
1011.66:376:16
1111.76:376:16
1211.76:366:16
1311.76:366:16
1411.76:366:16
1511.76:356:16
1611.76:356:16
1711.76:346:16
1811.76:346:16
1911.76:336:16
2011.76:336:16
2111.76:326:16
2211.76:326:16
2311.76:316:16
2411.86:316:16
2511.86:306:16
2611.86:306:16
2711.86:296:16
2811.86:296:16
2911.86:286:16
3011.86:286:16
3111.86:276:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.74 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 5.99 kWh/m² in September across the year — August's 5.74 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in August

Hazard calendar for Santana do Araguaia

In seasonPeak

None of Santana 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.

Santana 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 Santana do Araguaia?

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

3.3
Sightseeing
4th-best month of the year
7.1
Beach & pool
3rd-best month of the year

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

What to pack for Santana do Araguaia in August

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

In August, Santana do Araguaia sees daytime highs around 35°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Santana 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 Santana do Araguaia peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 20UV 15Jun 21UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep11Extreme
Oct10Extreme
Nov12Extreme
Dec11Extreme

Air quality in Santana 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 Santana do Araguaia is worst in September — around 128 µg/m³ PM2.5 (unhealthy), about 11.2× the cleanest month (February, 11 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 16117 µg/m³Feb 1212 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar13Moderate
Apr12Moderate
May14Moderate
Jun16Moderate
Jul15Moderate
Aug44Poor
Sep128Unhealthy
Oct34Moderate
Nov19Moderate
Dec16Moderate
Location & terrain

Where is Santana do Araguaia?

Santana do Araguaia sits at 9.3°S, 50.4°W, 178 m above sea level, in Brazil. The nearest listed city is Santa Maria das Barreiras, 87 km away.

Topography around Santana do Araguaia

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

Within 3 km, the terrain around Santana do Araguaia has only modest variations in elevation — a maximum elevation change of 34 m around an average of 174 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, significant variations in elevation — a maximum elevation change of 574 m.

The land around Santana do Araguaia is covered by grassland (54%) within 3 km, grassland (61%) and trees (24%) within 16 km, and grassland (47%) and trees (45%) within 80 km.

3 km
34 m
16 km
75 m
80 km
574 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Santa Maria das Barreiras 87 km · Vila Rica 113 km · Redenção 149 km · Conceição do Araguaia 168 km · Lagoa da Confusão 181 km · Paraíso do Tocantins 188 km · Confresa 197 km · Guaraí 210 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 Santana do Araguaia (-9.335°, -50.35°, elevation 178 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).