Chapadão do Sul weather in August

In August, Chapadão do Sul sees average daytime highs of 30°C and overnight lows near 17°C, with 23 mm of rain across 2.9 wet days and about 11.4 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 30°C by the end. The sky is clear or mostly clear about 65% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Chapadão do Sul's 2nd-clearest and 1st-windiest month. For the whole year in context, see Chapadão do Sul's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
17°
4th coldest
Rainfall
23 mm
2.9 wet days
Daylight
11 h 24 min
6:54 AM – 6:15 PM
Cloud cover
32%
2nd clearest
Wind
10 km/h
1st windiest
Solar energy
5.14 kWh/m²
Travel score
6.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 30°C by the end.

A typical August day in Chapadão do Sul reaches about 30°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12816
22916
32916
42916
52917
62917
72917
82917
92917
102917
112917
122917
132917
142917
152917
163017
173017
183017
193017
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303018
313118

Chapadão do Sul weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°28525.8133.4
Feb29° / 21°25022.812.63.4
Mar29° / 20°2352412.13.7
Apr29° / 19°9712.711.65.3
May27° / 17°466.311.17.2
Jun27° / 16°152.310.98.0
Jul27° / 16°101.6118.1
Aug30° / 17°232.911.46.5
Sep31° / 19°859.511.94.8
Oct30° / 20°16019.612.43.7
Nov29° / 20°23022.912.93.6
Dec29° / 21°27626.313.13.4

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 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27822
37822
47822
57921
67822
77822
87921
97921
108020
118020
128020
138119
148119
158119
168119
178119
188119
198218
208218
218119
228020
237921
247921
257921
267921
277921
287822
297822
307723
317723

Chance of precipitation in August

Any precipitation

Chapadão do Sul gets around 23 mm of rain over 2.9 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 10% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
47
57
67
77
87
97
108
118
128
138
148
158
168
179
189
199
2010
2110
2210
2311
2412
2512
2613
2714
2814
2915
3016
3117

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1761860
2761770
3761770
4761770
5761680
6761680
7771580
8751591
9751591
10751591
11751591
12751591
13741691
14741691
15741691
16731791
17731881
18731881
19711991
20711991
21702091
22692191
236821101
246821101
256622111
266522121
276322132
286321142
296221152
306021163
315921173

Wind in August

Winds average 10 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 10 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
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 06 min at the start of August to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over August. Sunrise moves from 7:02 AM to 6:42 AM, and sunset from 6:11 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:026:11
211.27:026:11
311.27:016:11
411.27:016:12
511.27:006:12
611.27:006:12
711.26:596:13
811.26:596:13
911.36:586:13
1011.36:586:14
1111.36:576:14
1211.36:566:14
1311.36:566:15
1411.36:556:15
1511.36:556:15
1611.46:546:15
1711.46:536:16
1811.46:526:16
1911.46:526:16
2011.46:516:16
2111.46:506:17
2211.56:506:17
2311.56:496:17
2411.56:486:17
2511.56:476:18
2611.56:466:18
2711.56:466:18
2811.66:456:18
2911.66:446:18
3011.66:436:19
3111.66:426:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 5.91 kWh/m² in October across the year — August's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in August

Hazard calendar for Chapadão do Sul

In seasonPeak

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

Chapadão do Sul's monsoon runs October–March, 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 Chapadão do Sul?

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

6.5
Sightseeing
4th-best month of the year
8.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit Chapadão do Sul for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chapadão do Sul in August

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

In August, Chapadão do Sul sees daytime highs around 30°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Chapadão do Sul in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chapadão do Sul peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 22UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Chapadão do Sul 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 Chapadão do Sul is worst in September — around 16 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1816 µg/m³Jun 184 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr5Good
May5Good
Jun4Good
Jul5Good
Aug9Good
Sep16Moderate
Oct12Good
Nov5Good
Dec6Good
Location & terrain

Where is Chapadão do Sul?

Chapadão do Sul sits at 18.8°S, 52.6°W, 812 m above sea level, in Brazil. The nearest listed city is Costa Rica, 60 km away.

Topography around Chapadão do Sul

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

Within 3 km, the terrain around Chapadão do Sul has only modest variations in elevation — a maximum elevation change of 45 m around an average of 808 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 240 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.

The land around Chapadão do Sul is covered by cropland (65%) and artificial surfaces (23%) within 3 km, cropland (76%) within 16 km, and cropland (49%) and grassland (28%) within 80 km.

3 km
45 m
16 km
240 m
80 km
517 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Costa Rica 60 km · Cassilândia 100 km · Mineiros 136 km · Jataí 139 km · Alto Araguaia 176 km · Paranaíba 180 km · Água Clara 186 km · Rio Verde 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 Chapadão do Sul (-18.7942°, -52.6228°, elevation 812 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).