Santos Dumont weather in August

In August, Santos Dumont sees average daytime highs of 24°C and overnight lows near 13°C, with 29 mm of rain across 5.7 wet days and about 11.3 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 45% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Santos Dumont's 1st-clearest and 4th-windiest month. For the whole year in context, see Santos Dumont's year-round climate.

Daytime high
24°
9th warmest
Overnight low
13°
3rd coldest
Rainfall
29 mm
5.7 wet days
Daylight
11 h 18 min
7:21 AM – 6:36 PM
Cloud cover
47%
1st clearest
Wind
9 km/h
4th windiest
Solar energy
4.35 kWh/m²
Travel score
7.8
out of 10

Santos Dumont 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 24°C through the month.

A typical August day in Santos Dumont reaches about 24°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62313
72313
82313
92313
102313
112313
122313
132313
142313
152313
162313
172313
182313
192413
202413
212413
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

Santos Dumont weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°29620.913.24.6
Feb28° / 19°19616.212.74.9
Mar27° / 19°2042012.24.9
Apr26° / 17°8912.811.56.2
May24° / 15°508117.2
Jun23° / 13°214.610.77.8
Jul23° / 13°224.910.87.8
Aug24° / 13°295.711.37.8
Sep25° / 15°7510.611.96.8
Oct25° / 17°13916.612.55.6
Nov26° / 17°26621.3134.7
Dec27° / 19°31823.913.34.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56139
66139
76139
86238
96238
106139
116139
126139
136139
146139
156139
166040
176040
186040
196040
206040
216139
226238
236238
246238
256337
266337
276337
286337
296337
306337
316337

Chance of precipitation in August

Any precipitation

Santos Dumont gets around 29 mm of rain over 5.7 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 19% and peaks near 24% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
117
217
317
416
516
616
716
816
916
1016
1116
1217
1317
1418
1518
1618
1719
1819
1920
2020
2120
2221
2321
2422
2522
2622
2723
2823
2923
3023
3124

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
151436
252426
351427
451427
551427
651427
750428
849438
949438
1049438
1148448
1248448
1348448
1447448
1547448
1648448
1748448
1847448
1947458
2047458
2146459
2246469
2345469
24444610
25434610
26434711
27424711
28414712
29414712
30404712
31394813

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
98calm
108calm
118calm
128calm
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 hours at the start of August to 11 h 30 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 7:30 AM to 7:08 AM, and sunset from 6:31 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:306:31
211.07:306:31
311.07:296:31
411.17:286:32
511.17:286:32
611.17:276:32
711.17:276:33
811.17:266:33
911.17:256:34
1011.27:256:34
1111.27:246:34
1211.27:236:35
1311.27:236:35
1411.27:226:35
1511.27:216:36
1611.37:216:36
1711.37:206:36
1811.37:196:37
1911.37:186:37
2011.37:176:37
2111.47:176:38
2211.47:166:38
2311.47:156:38
2411.47:146:39
2511.47:136:39
2611.47:126:39
2711.57:116:40
2811.57:116:40
2911.57:106:40
3011.57:096:40
3111.57:086:41

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.35 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 5.84 kWh/m² in February across the year — August's 4.35 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.0Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Hazard calendar for Santos Dumont

In seasonPeak

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

Santos Dumont'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 Santos Dumont?

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

7.8
Sightseeing
1st-best month of the year
6.3
Beach & pool
1st-best month of the year

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

What to pack for Santos Dumont in August

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

In August, Santos Dumont sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Santos Dumont in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santos Dumont peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 10UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr10Extreme
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santos Dumont 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 Santos Dumont is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1521 µg/m³Jan 1111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep22Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Santos Dumont?

Santos Dumont sits at 21.5°S, 43.6°W, 844 m above sea level, in Brazil. The nearest listed city is Barbacena, 34 km away.

Topography around Santos Dumont

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

Within 3 km, the terrain around Santos Dumont has only modest variations in elevation — a maximum elevation change of 182 m around an average of 890 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 756 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,595 m.

The land around Santos Dumont is covered by grassland (59%) and trees (27%) within 3 km, grassland (57%) and trees (41%) within 16 km, and grassland (58%) and trees (37%) within 80 km.

3 km
182 m
16 km
756 m
80 km
1,595 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Barbacena 34 km · Juiz de Fora 40 km · Rio Pomba 44 km · Lima Duarte 50 km · Barroso 53 km · São João Nepomuceno 57 km · Carandaí 62 km · Tocantins 64 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 Santos Dumont (-21.4567°, -43.5525°, elevation 844 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).