São José do Vale do Rio Preto weather in August

In August, São José do Vale do Rio Preto sees average daytime highs of 23°C and overnight lows near 13°C, with 40 mm of rain across 7.2 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 42% of the time in August, and the air most often feels comfortable.

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 São José do Vale do Rio Preto's 2nd-clearest and 3rd-windiest month. For the whole year in context, see São José do Vale do Rio Preto's year-round climate.

Daytime high
23°
9th warmest
Overnight low
13°
3rd coldest
Rainfall
40 mm
7.2 wet days
Daylight
11 h 12 min
7:19 AM – 6:33 PM
Cloud cover
49%
2nd clearest
Wind
6 km/h
3rd windiest
Solar energy
4.24 kWh/m²
Travel score
7.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical August day in São José do Vale do Rio Preto reaches about 23°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 18°C and 27°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)
12213
22213
32313
42313
52313
62313
72313
82313
92313
102313
112313
122313
132313
142313
152313
162313
172313
182313
192313
202313
212313
222314
232314
242314
252314
262314
272314
282414
292414
302414
312414

São José do Vale do Rio Preto 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
Jan27° / 19°30321.913.24.5
Feb28° / 19°2041712.85.0
Mar27° / 19°2162112.24.8
Apr25° / 17°10114.411.56.0
May23° / 15°6611.4116.6
Jun22° / 13°366.510.77.3
Jul22° / 13°366.710.87.4
Aug23° / 13°407.211.27.4
Sep24° / 15°9311.711.96.7
Oct25° / 17°14516.312.55.7
Nov25° / 18°25121.313.14.7
Dec26° / 19°31623.713.34.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
35941
45941
55842
65842
75842
85842
95842
105743
115743
125743
135743
145644
155644
165644
175743
185743
195743
205743
215842
225743
235743
245842
255941
265941
275941
285941
295941
305941
315941

Chance of precipitation in August

Any precipitation

São José do Vale do Rio Preto gets around 40 mm of rain over 7.2 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 24% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
122
222
322
422
522
622
722
823
923
1023
1123
1223
1324
1424
1524
1624
1724
1825
1925
2025
2124
2224
2324
2425
2525
2625
2725
2826
2926
3026
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the comfortable band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1434970
2434980
3434880
4434890
5434890
64348100
74248100
84247100
94247110
104147110
114147110
124147120
134147120
144147120
154147120
164147120
174147120
184147120
194147120
204147120
214047130
224047130
233947140
243848140
253748150
263748150
273648160
283548160
293549160
303449170
313349171

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 7:29 AM to 7:06 AM, and sunset from 6:27 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:296:27
211.07:286:27
311.07:276:28
411.07:276:28
511.07:266:29
611.17:266:29
711.17:256:29
811.17:256:30
911.17:246:30
1011.17:236:31
1111.17:236:31
1211.27:226:31
1311.27:216:32
1411.27:206:32
1511.27:206:32
1611.27:196:33
1711.37:186:33
1811.37:176:33
1911.37:166:34
2011.37:166:34
2111.37:156:34
2211.37:146:35
2311.47:136:35
2411.47:126:35
2511.47:116:36
2611.47:106:36
2711.47:106:36
2811.57:096:37
2911.57:086:37
3011.57:076:37
3111.57:066:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.24 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 5.91 kWh/m² in February across the year — August's 4.24 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
54.0Moderate
64.0Bright
74.0Bright
84.0Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for São José do Vale do Rio Preto

In seasonPeak

None of São José do Vale do Rio Preto'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 José do Vale do Rio Preto's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit São José do Vale do Rio Preto?

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

7.4
Sightseeing
1st-best month of the year
5.7
Beach & pool
1st-best month of the year

August is one of the better times to visit São José do Vale do Rio Preto for general sightseeing.

What to pack for São José do Vale do Rio Preto in August

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

In August, São José do Vale do Rio Preto sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in São José do Vale do Rio Preto 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 São José do Vale do Rio Preto peaks around January 24 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 24UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in São José do Vale do Rio Preto 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 José do Vale do Rio Preto is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (March, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Mar 1110 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr12Good
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is São José do Vale do Rio Preto?

São José do Vale do Rio Preto sits at 22.2°S, 42.9°W, 582 m above sea level, in Brazil. The nearest listed city is Sapucaia, 17 km away.

Topography around São José do Vale do Rio Preto

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São José do Vale do Rio Preto.

Within 3 km, the terrain around São José do Vale do Rio Preto has significant variations in elevation — a maximum elevation change of 514 m around an average of 705 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,467 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around São José do Vale do Rio Preto is covered by trees (68%) and grassland (28%) within 3 km, trees (62%) and grassland (36%) within 16 km, and trees (51%) and grassland (44%) within 80 km.

3 km
514 m
16 km
1,467 m
80 km
2,224 m
treesgrasslandartificial surfaceswater
August weather nearby: Sapucaia 17 km · Sumidouro 28 km · Três Rios 30 km · Teresópolis 30 km · São Pedro 30 km · Além Paraíba 37 km · Paraíba do Sul 38 km · Carmo 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 São José do Vale do Rio Preto (-22.1521°, -42.9233°, elevation 582 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).