São Simão weather in August

In August, São Simão sees average daytime highs of 31°C and overnight lows near 19°C, with 10 mm of rain across 1.7 wet days and about 11.4 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 73% 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 São Simão's 1st-clearest and 1st-windiest month. For the whole year in context, see São Simão's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
19°
4th coldest
Rainfall
10 mm
1.7 wet days
Daylight
11 h 24 min
7:46 AM – 7:07 PM
Cloud cover
26%
1st clearest
Wind
10 km/h
1st windiest
Solar energy
5.23 kWh/m²
Travel score
5.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical August day in São Simão reaches about 31°C in the afternoon and slips back to 19°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53018
63118
73118
83118
93118
103118
113118
123118
133119
143119
153119
163119
173119
183119
193119
203219
213219
223219
233219
243219
253219
263219
273220
283220
293220
303220
313220

How August really feels in São Simão

Once humidity and wind are folded in, August averages 6 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
6
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 Simão weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°26723.8133.2
Feb31° / 23°20721.412.63.2
Mar31° / 22°19421.312.13.5
Apr30° / 21°721011.64.9
May29° / 19°284.411.16.5
Jun29° / 18°141.610.97.1
Jul29° / 17°80.9117.0
Aug31° / 19°101.711.45.6
Sep33° / 21°456.111.94.1
Oct33° / 22°11513.912.43.3
Nov31° / 22°18519.612.93.3
Dec31° / 23°24124.113.13.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 17%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38317
48317
58317
68416
78416
88317
98317
108416
118416
128515
138515
148515
158614
168515
178515
188416
198416
208416
218416
228317
238218
248218
258218
268218
278119
288119
298119
308119
318119

Chance of precipitation in August

Any precipitation

São Simão gets around 10 mm of rain over 1.7 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 6% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
84
94
104
114
124
134
145
155
165
175
185
196
206
216
227
237
247
258
268
279
289
299
3010
3110

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1622981
2632881
3642781
4652681
5642592
6652492
7662392
8672292
9672292
10672292
11672292
12672292
13672292
14672292
15672292
16662392
17662392
18652492
196424102
206325102
216226102
226226102
236027112
245927113
255827123
265827123
275726134
285626135
295626135
305426146
315425147

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 7:54 AM to 7:34 AM, and sunset from 7:02 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:547:02
211.17:547:03
311.27:537:03
411.27:537:03
511.27:527:04
611.27:527:04
711.27:517:04
811.27:517:04
911.27:507:05
1011.37:507:05
1111.37:497:05
1211.37:487:06
1311.37:487:06
1411.37:477:06
1511.37:467:07
1611.47:467:07
1711.47:457:07
1811.47:447:07
1911.47:447:08
2011.47:437:08
2111.47:427:08
2211.47:417:08
2311.57:417:09
2411.57:407:09
2511.57:397:09
2611.57:387:09
2711.57:377:09
2811.67:377:10
2911.67:367:10
3011.67:357:10
3111.67:347:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.23 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 6.27 kWh/m² in October across the year — August's 5.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in August

Hazard calendar for São Simão

In seasonPeak

None of São Simão'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 Simão's monsoon runs November–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 São Simão?

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

5.6
Sightseeing
4th-best month of the year
8.4
Beach & pool
3rd-best month of the year

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

What to pack for São Simão in August

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

In August, São Simão sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in São Simão 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 São Simão peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 24UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep11Extreme
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São Simão 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 Simão is worst in September — around 34 µg/m³ PM2.5 (moderate), about 6.1× the cleanest month (November, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1632 µg/m³Nov 226 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr6Good
May6Good
Jun6Good
Jul7Good
Aug14Moderate
Sep34Moderate
Oct13Moderate
Nov6Good
Dec6Good
Location & terrain

Where is São Simão?

São Simão sits at 19.0°S, 50.5°W, 471 m above sea level, in Brazil. The nearest listed city is Santa Vitória, 48 km away.

Topography around São Simão

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

Within 3 km, the terrain around São Simão has only modest variations in elevation — a maximum elevation change of 106 m around an average of 449 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 208 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.

The land around São Simão is covered by grassland (45%) and cropland (20%) within 3 km, cropland (40%) and grassland (35%) within 16 km, and cropland (50%) and grassland (30%) within 80 km.

3 km
106 m
16 km
208 m
80 km
517 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Santa Vitória 48 km · Quirinópolis 61 km · Iturama 90 km · Paranaíba 102 km · Ituiutaba 114 km · Bom Jesus de Goiás 121 km · Cassilândia 126 km · Campina Verde 126 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 Simão (-18.9911°, -50.5436°, elevation 471 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).