Arcos weather in August

In August, Arcos sees average daytime highs of 27°C and overnight lows near 14°C, with 11 mm of rain across 2 wet days and about 11.3 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 64% 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 Arcos's 1st-clearest and 3rd-windiest month. For the whole year in context, see Arcos's year-round climate.

Daytime high
27°
9th warmest
Overnight low
14°
3rd coldest
Rainfall
11 mm
2 wet days
Daylight
11 h 18 min
7:27 AM – 6:45 PM
Cloud cover
32%
1st clearest
Wind
9 km/h
3rd windiest
Solar energy
5.11 kWh/m²
Travel score
8.2
out of 10

Arcos 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

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical August day in Arcos reaches about 27°C in the afternoon and slips back to 14°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12614
22614
32614
42614
52614
62614
72614
82614
92714
102714
112714
122714
132714
142714
152714
162714
172714
182714
192715
202715
212715
222715
232715
242715
252815
262815
272815
282815
292815
302815
312815

Arcos weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°24121.313.14.2
Feb29° / 20°14016.312.74.5
Mar28° / 19°15918.812.14.8
Apr27° / 18°579.311.56.6
May25° / 15°345.111.17.7
Jun25° / 14°122.110.88.5
Jul25° / 13°71.310.98.7
Aug27° / 14°11211.38.2
Sep29° / 17°466.711.96.4
Oct29° / 19°8411.612.55.2
Nov28° / 19°18419.2134.7
Dec28° / 20°24723.913.24.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% 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 22%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27822
37822
47822
57822
67822
77822
87921
97921
107921
117921
127921
137921
147921
157921
167921
177921
187921
197921
207822
217822
227822
237822
247822
257723
267723
277723
287723
297723
307723
317723

Chance of precipitation in August

Any precipitation

Arcos gets around 11 mm of rain over 2 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 7% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
45
55
65
75
85
95
105
115
125
135
145
155
166
176
186
196
207
217
227
238
248
258
269
279
2810
2910
3011
3111

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
174224
274215
375205
476195
576195
676195
776195
876195
976195
1076195
1175205
1275205
1375205
1475214
1575214
1675214
1774224
1874224
1973234
2073243
2172253
2270264
2370264
2469274
2568284
2667285
2767285
2866286
2965296
3064297
3164297

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 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
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 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 7:36 AM to 7:15 AM, and sunset from 6:40 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:366:40
211.17:366:41
311.17:356:41
411.17:356:41
511.17:346:42
611.17:346:42
711.27:336:42
811.27:326:43
911.27:326:43
1011.27:316:43
1111.27:316:44
1211.27:306:44
1311.37:296:44
1411.37:296:45
1511.37:286:45
1611.37:276:45
1711.37:266:46
1811.37:266:46
1911.47:256:46
2011.47:246:47
2111.47:236:47
2211.47:236:47
2311.47:226:47
2411.47:216:48
2511.57:206:48
2611.57:196:48
2711.57:186:48
2811.57:186:49
2911.57:176:49
3011.67:166:49
3111.67:156:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.11 kWh/m².

For context, solar energy here swings from a low near 3.99 kWh/m² to a high of 5.92 kWh/m² in October across the year — August's 5.11 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Arcos

In seasonPeak

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

Arcos'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 Arcos?

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

8.2
Sightseeing
3rd-best month of the year
8.2
Beach & pool
1st-best month of the year

August is one of the better times to visit Arcos for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Arcos in August

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

In August, Arcos sees daytime highs around 27°C and nights near 14°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Arcos 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 Arcos peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jun 20UV 7
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Arcos 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 Arcos is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1719 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr8Good
May8Good
Jun8Good
Jul7Good
Aug10Good
Sep20Moderate
Oct12Good
Nov7Good
Dec7Good
Location & terrain

Where is Arcos?

Arcos sits at 20.3°S, 45.5°W, 737 m above sea level, in Brazil. The nearest listed city is Formiga, 23 km away.

Topography around Arcos

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

Within 3 km, the terrain around Arcos has only modest variations in elevation — a maximum elevation change of 130 m around an average of 753 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 405 m; within 80 km, large variations in elevation — a maximum elevation change of 791 m.

The land around Arcos is covered by trees (32%), grassland (31%) and artificial surfaces (28%) within 3 km, trees (42%) and grassland (38%) within 16 km, and grassland (52%) and trees (30%) within 80 km.

3 km
130 m
16 km
405 m
80 km
791 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Formiga 23 km · Lagoa da Prata 29 km · Santo Antônio do Monte 34 km · Água Rasa 42 km · Itapecerica 48 km · Piumhi 48 km · Bambuí 55 km · Luz 56 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 Arcos (-20.2819°, -45.5394°, elevation 737 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).