Guaraí weather in August

In August, Guaraí sees average daytime highs of 35°C and overnight lows near 22°C, with 2 mm of rain across 0.4 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 73% of the time in August, and the air most often feels comfortable.

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 Guaraí's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Guaraí's year-round climate.

Daytime high
35°
1st warmest
Overnight low
22°
3rd coldest
Rainfall
2 mm
0.4 wet days
Daylight
11 h 42 min
6:27 AM – 6:09 PM
Cloud cover
28%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
5.96 kWh/m²
Travel score
3.2
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 Guaraí 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 34°C and 37°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)
13421
23521
33521
43521
53521
63521
73521
83522
93522
103522
113522
123522
133522
143522
153522
163522
173522
183522
193522
203522
213522
223622
233622
243622
253622
263622
273622
283623
293623
303623
313623

How August really feels in Guaraí

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.

Guaraí 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°27727.512.52.9
Feb30° / 22°2572512.32.9
Mar30° / 22°25726.812.12.9
Apr31° / 22°1622011.83.4
May32° / 22°598.911.64.2
Jun33° / 22°20.511.54.5
Jul34° / 21°10.211.54.2
Aug35° / 22°20.411.73.2
Sep35° / 23°253.711.92.8
Oct33° / 23°10713.912.23.2
Nov31° / 23°21021.312.43.1
Dec30° / 22°23424.212.53.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
29010
39010
49010
59010
68911
78812
88812
98812
108713
118713
128713
138713
148713
158713
168614
178614
188614
198614
208614
218614
228515
238515
248416
258317
268317
278317
288218
298218
308119
318020

Chance of precipitation in August

Any precipitation

Guaraí gets around 2 mm of rain over 0.4 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 1% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
71
81
91
101
111
121
131
141
151
161
171
181
192
202
212
222
232
242
252
262
272
282
292
303
313

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
119572040
219582030
320562040
420571940
520571940
620561950
720561950
820551960
921541960
1021541960
1121541870
1222531870
1322521880
1422521880
1522521880
1622511890
1722511890
1822511890
1922501890
20224919100
21224820100
22224721100
23224621110
24224522110
25224323121
26214224131
27214024141
28213825151
29213725161
30213525171
31203426182

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:32 AM to 6:19 AM, and sunset from 6:08 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:326:08
211.66:326:08
311.66:316:09
411.66:316:09
511.66:316:09
611.66:316:09
711.66:306:09
811.76:306:09
911.76:306:09
1011.76:296:09
1111.76:296:09
1211.76:296:09
1311.76:286:09
1411.76:286:09
1511.76:276:09
1611.76:276:09
1711.76:266:09
1811.76:266:09
1911.76:266:09
2011.76:256:09
2111.76:256:09
2211.86:246:09
2311.86:246:09
2411.86:236:09
2511.86:236:09
2611.86:226:09
2711.86:226:09
2811.86:216:09
2911.86:216:09
3011.86:206:09
3111.86:196:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.96 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 6.15 kWh/m² in September across the year — August's 5.96 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in August

Hazard calendar for Guaraí

In seasonPeak

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

Guaraí'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 Guaraí?

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

3.2
Sightseeing
5th-best month of the year
6.9
Beach & pool
3rd-best month of the year

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

What to pack for Guaraí in August

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

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

light clothessun protection

UV index in Guaraí 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 Guaraí peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 18UV 15Jun 22UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct10Extreme
Nov12Extreme
Dec11Extreme

Air quality in Guaraí 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 Guaraí is worst in October — around 40 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateOct 1238 µg/m³Jun 208 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr11Good
May9Good
Jun8Good
Jul8Good
Aug15Moderate
Sep34Moderate
Oct40Poor
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Guaraí?

Guaraí sits at 8.8°S, 48.5°W, 260 m above sea level, in Brazil. The nearest listed city is Miracema do Tocantins, 83 km away.

Topography around Guaraí

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

Within 3 km, the terrain around Guaraí has only modest variations in elevation — a maximum elevation change of 114 m around an average of 272 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 416 m; within 80 km, significant variations in elevation — a maximum elevation change of 552 m.

The land around Guaraí is covered by grassland (47%) and trees (26%) within 3 km, grassland (55%) and trees (37%) within 16 km, and grassland (54%) and trees (37%) within 80 km.

3 km
114 m
16 km
416 m
80 km
552 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: Miracema do Tocantins 83 km · Colinas do Tocantins 86 km · Conceição do Araguaia 105 km · Santa Maria das Barreiras 132 km · Palmas 150 km · Paraíso do Tocantins 154 km · Araguaína 186 km · Redenção 190 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 Guaraí (-8.8342°, -48.5103°, elevation 260 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).