Casa Branca weather in August

In August, Casa Branca sees average daytime highs of 27°C and overnight lows near 15°C, with 19 mm of rain across 3.2 wet days and about 11.3 hours of daylight. It is the 9th-warmest and 12th-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 66% 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 Casa Branca's 1st-clearest and 2nd-windiest month. For the whole year in context, see Casa Branca's year-round climate.

Daytime high
27°
9th warmest
Overnight low
15°
3rd coldest
Rainfall
19 mm
3.2 wet days
Daylight
11 h 12 min
7:35 AM – 6:50 PM
Cloud cover
31%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
5.01 kWh/m²
Travel score
7.9
out of 10

Casa Branca 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 Casa Branca reaches about 27°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°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
62714
72714
82714
92714
102714
112714
122714
132714
142714
152714
162715
172715
182715
192715
202715
212815
222815
232815
242815
252815
262815
272815
282815
292816
302816
312916

Casa Branca weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°23522.313.23.9
Feb29° / 20°16418.612.74.1
Mar29° / 19°14117.712.24.7
Apr28° / 18°588.511.56.5
May25° / 15°466117.6
Jun25° / 14°263.410.78.3
Jul25° / 13°222.610.88.4
Aug27° / 15°193.211.37.9
Sep29° / 17°647.411.96.1
Oct29° / 19°9813.312.54.9
Nov29° / 19°15417.1134.6
Dec29° / 20°19921.713.34.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 22%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27525
37525
47525
57525
67525
77525
87525
97525
107525
117723
127723
137723
147822
157921
167921
177921
187921
197921
208020
218119
228119
238119
248119
258119
268119
278119
287921
297921
307921
317921

Chance of precipitation in August

Any precipitation

Casa Branca gets around 19 mm of rain over 3.2 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 10% and peaks near 16% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
58
69
79
89
99
109
119
129
139
1410
1510
1610
1710
1810
1910
2010
2111
2211
2311
2412
2512
2613
2713
2814
2915
3015
3116

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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
179183
279183
379183
480173
580173
679174
779174
879174
979174
1079174
1178175
1278175
1379165
1479165
1579165
1680155
1780155
1879165
1979165
2078175
2178175
2277185
2376195
2475196
2574206
2673216
2772217
2870228
2969238
3068239
31662410

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 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 7:45 AM to 7:22 AM, and sunset from 6:44 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:456:44
211.07:446:45
311.07:446:45
411.07:436:45
511.17:426:46
611.17:426:46
711.17:416:47
811.17:416:47
911.17:406:47
1011.17:396:48
1111.27:396:48
1211.27:386:48
1311.27:376:49
1411.27:376:49
1511.27:366:49
1611.27:356:50
1711.37:346:50
1811.37:346:51
1911.37:336:51
2011.37:326:51
2111.37:316:52
2211.47:306:52
2311.47:296:52
2411.47:296:52
2511.47:286:53
2611.47:276:53
2711.57:266:53
2811.57:256:54
2911.57:246:54
3011.57:236:54
3111.57:226:55

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.01 kWh/m².

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 5.96 kWh/m² in October across the year — August's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in August

Hazard calendar for Casa Branca

In seasonPeak

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

Casa Branca'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 Casa Branca?

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

7.9
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 Casa Branca for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Casa Branca in August

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

In August, Casa Branca sees daytime highs around 27°C and nights near 15°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Casa Branca 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 Casa Branca peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Casa Branca 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 Casa Branca is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Casa Branca?

Casa Branca sits at 21.8°S, 47.1°W, 692 m above sea level, in Brazil. The nearest listed city is Santa Cruz das Palmeiras, 18 km away.

Topography around Casa Branca

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

Within 3 km, the terrain around Casa Branca has only modest variations in elevation — a maximum elevation change of 117 m around an average of 701 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 419 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,281 m.

The land around Casa Branca is covered by cropland (34%), trees (31%) and artificial surfaces (20%) within 3 km, cropland (53%) and trees (34%) within 16 km, and trees (39%), cropland (35%) and grassland (23%) within 80 km.

3 km
117 m
16 km
419 m
80 km
1,281 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Santa Cruz das Palmeiras 18 km · Tambaú 21 km · Vargem Grande do Sul 21 km · São José do Rio Pardo 28 km · Aguaí 34 km · Mococa 35 km · São João da Boa Vista 37 km · Santa Rita do Passa Quatro 41 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 Casa Branca (-21.7739°, -47.0864°, elevation 692 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).