Altos weather in August

In August, Altos sees average daytime highs of 35°C and overnight lows near 24°C, with 2 mm of rain across 0.5 wet days and about 11.8 hours of daylight. It is the 4th-warmest and 12th-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 66% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Altos's 2nd-clearest and 1st-windiest month. For the whole year in context, see Altos's year-round climate.

Daytime high
35°
4th warmest
Overnight low
24°
8th coldest
Rainfall
2 mm
0.5 wet days
Daylight
11 h 48 min
5:59 AM – 5:49 PM
Cloud cover
33%
2nd clearest
Wind
10 km/h
1st windiest
Solar energy
6.16 kWh/m²
Travel score
3.2
out of 10

Altos 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

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

A typical August day in Altos reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 36°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153524
163524
173524
183524
193524
203524
213524
223524
233524
243524
253524
263624
273624
283624
293624
303624
313625

How August really feels in Altos

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.

Altos weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°25722.412.32.7
Feb32° / 23°29922.512.22.7
Mar31° / 23°37127122.6
Apr31° / 23°29723.611.92.9
May32° / 23°12912.711.83.8
Jun33° / 23°183.511.74.2
Jul34° / 24°91.511.74.0
Aug35° / 24°20.511.83.2
Sep36° / 25°40.8122.3
Oct37° / 25°172.212.11.9
Nov36° / 25°375.512.22.1
Dec35° / 25°9711.212.32.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28416
38416
48416
58515
68515
78515
88515
98614
108614
118515
128515
138515
148515
158515
168515
178515
188614
198614
208614
218614
228614
238812
248812
258812
268812
278911
289010
299010
309010
319010

Chance of precipitation in August

Any precipitation

Altos gets around 2 mm of rain over 0.5 wet days in August, the driest month. 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 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
181
191
201
211
221
231
241
251
261
271
281
291
301
312

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111751292
211751292
311751292
411752291
511751301
611751301
711751301
811751301
911751301
1011751301
1111751301
1211751301
1311752291
1411752291
1511752291
1611851291
1711851291
1811851291
1911851291
2011851291
2101753291
2201752301
2301752301
2401652311
2501652311
2601552321
2701552321
2801551331
2901452331
3001452331
3101452331

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 48 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over August. Sunrise moves from 6:03 AM to 5:53 AM, and sunset from 5:49 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:035:49
211.86:025:49
311.86:025:49
411.86:025:49
511.86:025:49
611.86:025:49
711.86:015:49
811.86:015:49
911.86:015:49
1011.86:015:49
1111.86:005:49
1211.86:005:49
1311.86:005:49
1411.86:005:49
1511.85:595:49
1611.85:595:49
1711.85:595:49
1811.85:585:49
1911.85:585:49
2011.95:585:49
2111.95:575:48
2211.95:575:48
2311.95:565:48
2411.95:565:48
2511.95:565:48
2611.95:555:48
2711.95:555:48
2811.95:545:47
2911.95:545:47
3011.95:535:47
3111.95:535:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.16 kWh/m².

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 6.72 kWh/m² in October across the year — August's 6.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Intense
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in August

Hazard calendar for Altos

In seasonPeak

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

Altos's monsoon runs January–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 Altos?

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

3.2
Sightseeing
4th-best month of the year
6.9
Beach & pool
3rd-best month of the year

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

What to pack for Altos in August

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

In August, Altos sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Altos 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 Altos peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Altos 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 Altos is worst in October — around 35 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1633 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun8Good
Jul10Good
Aug16Moderate
Sep25Moderate
Oct35Moderate
Nov23Moderate
Dec17Moderate
Location & terrain

Where is Altos?

Altos sits at 5.0°S, 42.5°W, 192 m above sea level, in Brazil. The nearest listed city is José de Freitas, 34 km away.

Topography around Altos

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

Within 3 km, the terrain around Altos has only modest variations in elevation — a maximum elevation change of 103 m around an average of 184 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 175 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Altos is covered by trees (30%), shrubs (26%) and grassland (23%) within 3 km, trees (58%), shrubs (21%) and grassland (20%) within 16 km, and trees (42%), shrubs (32%) and grassland (23%) within 80 km.

3 km
103 m
16 km
175 m
80 km
375 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: José de Freitas 34 km · Teresina 38 km · Campo Maior 40 km · Timon 42 km · Demerval Lobão 43 km · União 67 km · Barras 90 km · Água Branca 97 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 Altos (-5.0381°, -42.46°, elevation 192 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).