Rio Claro weather in August

In August, Rio Claro sees average daytime highs of 27°C and overnight lows near 14°C, with 32 mm of rain across 4.1 wet days and about 11.2 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 63% 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 Rio Claro's 1st-clearest and 4th-windiest month. For the whole year in context, see Rio Claro's year-round climate.

Daytime high
27°
9th warmest
Overnight low
14°
3rd coldest
Rainfall
32 mm
4.1 wet days
Daylight
11 h 12 min
7:38 AM – 6:51 PM
Cloud cover
34%
1st clearest
Wind
9 km/h
4th windiest
Solar energy
4.8 kWh/m²
Travel score
7.8
out of 10

Rio Claro is human settlement in Brazil.

Air quality
Elevated
PM10 46 µg/m³ · 2016

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 Rio Claro reaches about 27°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12613
22613
32613
42613
52613
62614
72614
82614
92614
102614
112614
122614
132714
142714
152714
162714
172714
182714
192714
202714
212714
222714
232714
242814
252815
262815
272815
282815
292815
302815
312815

Rio Claro 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°29023.313.23.7
Feb30° / 20°21419.412.83.8
Mar29° / 20°17318.512.24.5
Apr28° / 18°688.511.56.4
May25° / 15°576.410.97.5
Jun25° / 14°394.510.78.1
Jul25° / 13°353.910.88.2
Aug27° / 14°324.111.27.8
Sep28° / 16°727.911.96.2
Oct29° / 18°1281412.54.9
Nov29° / 19°18416.413.14.6
Dec29° / 20°23021.413.33.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57030
67030
77030
87228
97228
107228
117327
127426
137426
147525
157525
167624
177624
187723
197723
207723
217723
227723
237723
247723
257822
267822
277822
287822
297624
307624
317624

Chance of precipitation in August

Any precipitation

Rio Claro gets around 32 mm of rain over 4.1 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 14% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
512
612
712
812
912
1012
1112
1212
1312
1412
1512
1613
1713
1813
1913
2014
2114
2214
2315
2415
2516
2616
2716
2817
2917
3018
3118

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1662860
2662860
3662860
4662860
5662860
6652870
7652870
8652870
9652870
10652870
11652870
12652870
13652870
14652870
15662770
16662770
17662770
18662770
19662770
20662770
21652870
22642880
23642880
24642880
25632890
26632890
276228100
286028111
296028111
305928121
315729131

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
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 7:48 AM to 7:25 AM, and sunset from 6:45 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:486:45
211.07:476:45
311.07:466:46
411.07:466:46
511.07:456:47
611.07:456:47
711.17:446:48
811.17:436:48
911.17:436:48
1011.17:426:49
1111.17:416:49
1211.17:416:49
1311.27:406:50
1411.27:396:50
1511.27:386:51
1611.27:386:51
1711.27:376:51
1811.37:366:52
1911.37:356:52
2011.37:346:52
2111.37:346:53
2211.37:336:53
2311.47:326:53
2411.47:316:54
2511.47:306:54
2611.47:296:54
2711.47:286:55
2811.57:276:55
2911.57:266:55
3011.57:256:56
3111.57:256:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.8 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.99 kWh/m² in November across the year — August's 4.8 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.5Bright
94.6Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.3Bright
Planning a trip in August

Hazard calendar for Rio Claro

In seasonPeak

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

Rio Claro'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 Rio Claro?

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

7.8
Sightseeing
3rd-best month of the year
7.9
Beach & pool
1st-best month of the year

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

What to pack for Rio Claro in August

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

In August, Rio Claro sees daytime highs around 27°C and nights near 14°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Rio Claro 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 Rio Claro peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 19UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Rio Claro 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 Rio Claro is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1032 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr22Moderate
May26Moderate
Jun28Moderate
Jul30Moderate
Aug31Moderate
Sep32Moderate
Oct22Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Rio Claro?

Rio Claro sits at 22.4°S, 47.6°W, 617 m above sea level, in Brazil. The nearest listed city is Santa Gertrudes, 6.0 km away.

Topography around Rio Claro

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

Within 3 km, the terrain around Rio Claro has only modest variations in elevation — a maximum elevation change of 192 m around an average of 609 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 328 m; within 80 km, large variations in elevation — a maximum elevation change of 634 m.

The land around Rio Claro is covered by artificial surfaces (64%) and trees (27%) within 3 km, cropland (42%) and trees (31%) within 16 km, and cropland (46%) and trees (31%) within 80 km.

3 km
192 m
16 km
328 m
80 km
634 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Santa Gertrudes 6.0 km · Cordeirópolis 13 km · Araras 19 km · Iracemápolis 19 km · Limeira 24 km · Charqueada 25 km · Leme 31 km · Itirapina 32 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 Rio Claro (-22.4114°, -47.5614°, elevation 617 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).