Guareí weather in August

In August, Guareí sees average daytime highs of 25°C and overnight lows near 13°C, with 42 mm of rain across 4.7 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 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 55% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Guareí's 1st-clearest and 4th-windiest month. For the whole year in context, see Guareí's year-round climate.

Daytime high
25°
9th warmest
Overnight low
13°
3rd coldest
Rainfall
42 mm
4.7 wet days
Daylight
11 h 12 min
7:41 AM – 6:52 PM
Cloud cover
40%
1st clearest
Wind
10 km/h
4th windiest
Solar energy
4.52 kWh/m²
Travel score
8.0
out of 10

Guareí 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 24°C in the first days to 26°C by the end.

A typical August day in Guareí reaches about 25°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12412
22412
32412
42412
52412
62412
72412
82412
92413
102413
112513
122513
132513
142513
152513
162513
172513
182513
192513
202513
212513
222513
232613
242613
252613
262613
272614
282614
292614
302614
312614

Guareí 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°28322.613.34.0
Feb29° / 20°20819.212.84.1
Mar28° / 19°15317.712.25.0
Apr27° / 17°658.311.56.8
May24° / 14°646.610.97.5
Jun23° / 13°515.410.67.8
Jul23° / 12°464.610.78.0
Aug25° / 13°424.711.28.0
Sep26° / 15°838.711.96.9
Oct27° / 17°12412.412.56.0
Nov28° / 18°15414.913.15.5
Dec28° / 19°19919.813.44.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% 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 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76436
86436
96436
106436
116436
126535
136535
146535
156634
166634
176733
186733
196931
206931
216931
227030
237030
247030
257030
267030
277030
287030
296931
306931
316832

Chance of precipitation in August

Any precipitation

Guareí gets around 42 mm of rain over 4.7 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 16% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
215
315
415
515
615
715
815
915
1015
1115
1215
1315
1415
1516
1616
1716
1816
1916
2016
2116
2216
2316
2416
2517
2617
2718
2818
2919
3019
3120

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1573850
2573850
3563950
4573850
5573850
6573850
7553861
8563761
9563761
10553771
11563671
12563671
13573571
14573571
15573571
16573571
17573571
18573571
19563671
20553771
21553870
22553870
23543970
24533980
25524080
26514090
27514090
285040100
294941100
304841110
314741120

Wind in August

Winds average 10 km/h in August.

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 10 h 54 min 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 36 minutes over August. Sunrise moves from 7:52 AM to 7:28 AM, and sunset from 6:46 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:526:46
210.97:516:47
310.97:506:47
411.07:506:47
511.07:496:48
611.07:496:48
711.07:486:49
811.07:476:49
911.07:476:50
1011.17:466:50
1111.17:456:50
1211.17:446:51
1311.17:446:51
1411.17:436:52
1511.27:426:52
1611.27:416:52
1711.27:416:53
1811.27:406:53
1911.27:396:54
2011.37:386:54
2111.37:376:54
2211.37:366:55
2311.37:356:55
2411.37:346:55
2511.47:336:56
2611.47:336:56
2711.47:326:56
2811.47:316:57
2911.57:306:57
3011.57:296:57
3111.57:286:58

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.52 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 5.89 kWh/m² in December across the year — August's 4.52 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.2Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.5Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in August

Hazard calendar for Guareí

In seasonPeak

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

Guareí's rainy season runs November–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 Guareí?

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

8.0
Sightseeing
1st-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Guareí in August

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

In August, Guareí sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Guareí in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guareí peaks around January 21 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 21UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Guareí 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 Guareí is worst in September — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodSep 922 µg/m³Nov 2312 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar13Moderate
Apr14Moderate
May17Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep22Moderate
Oct17Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Guareí?

Guareí sits at 23.4°S, 48.2°W, 644 m above sea level, in Brazil. The nearest listed city is Angatuba, 27 km away.

Topography around Guareí

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

Within 3 km, the terrain around Guareí has only modest variations in elevation — a maximum elevation change of 88 m around an average of 648 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 356 m; within 80 km, significant variations in elevation — a maximum elevation change of 556 m.

The land around Guareí is covered by grassland (47%), cropland (26%) and trees (21%) within 3 km, trees (38%), grassland (36%) and cropland (25%) within 16 km, and trees (42%), cropland (30%) and grassland (24%) within 80 km.

3 km
88 m
16 km
356 m
80 km
556 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Angatuba 27 km · Itapetininga 28 km · Cesário Lange 29 km · Tatuí 33 km · Conchas 44 km · Capela do Alto 47 km · Laranjal Paulista 51 km · Cerquilho 51 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 Guareí (-23.3728°, -48.1842°, elevation 644 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).