Jundiaí weather in August

In August, Jundiaí sees average daytime highs of 25°C and overnight lows near 13°C, with 37 mm of rain across 4.5 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 57% 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 Jundiaí's 1st-clearest and 4th-windiest month. For the whole year in context, see Jundiaí's year-round climate.

Daytime high
25°
9th warmest
Overnight low
13°
3rd coldest
Rainfall
37 mm
4.5 wet days
Daylight
11 h 12 min
7:36 AM – 6:47 PM
Cloud cover
39%
1st clearest
Wind
11 km/h
4th windiest
Solar energy
4.59 kWh/m²
Travel score
8.1
out of 10

Jundiaí is human settlement in Brazil.

Air quality
Good
PM10 24.9 µg/m³ · 2019

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 Jundiaí 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 29°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
42413
52413
62413
72413
82413
92413
102413
112413
122413
132413
142413
152413
162513
172513
182513
192513
202513
212513
222513
232513
242513
252514
262514
272614
282614
292614
302614
312614

Jundiaí 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
Jan28° / 19°24322.213.34.4
Feb28° / 19°16918.912.84.4
Mar28° / 19°13517.712.25.3
Apr26° / 17°648.811.56.9
May24° / 14°646.810.97.5
Jun23° / 13°495.210.67.8
Jul23° / 12°464.710.78.0
Aug25° / 13°374.511.28.1
Sep26° / 15°868.911.97.0
Oct27° / 17°11813.112.56.0
Nov27° / 18°15015.713.15.5
Dec28° / 19°18919.913.44.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26733
36733
46733
56733
66634
76634
86733
96733
106733
116832
126832
136832
146832
156931
166931
176931
187030
197030
207129
217129
227129
237129
247129
257129
267030
277030
287030
297030
306931
316832

Chance of precipitation in August

Any precipitation

Jundiaí gets around 37 mm of rain over 4.5 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 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
215
315
415
515
614
714
814
914
1014
1114
1215
1315
1415
1515
1615
1715
1815
1915
2015
2115
2216
2316
2416
2516
2617
2717
2818
2918
3019
3119

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
163334
263334
363334
463334
563334
662335
762335
862335
962335
1061336
1162326
1262326
1362326
1462326
1561327
1661327
1761327
1861327
1960337
2060337
2159347
2259347
2358357
2458357
2557358
2657358
2755369
2855369
29543610
30533710
31523711

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 7:46 AM to 7:22 AM, and sunset from 6:41 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:466:41
210.97:456:42
311.07:456:42
411.07:446:42
511.07:446:43
611.07:436:43
711.07:426:44
811.07:426:44
911.17:416:45
1011.17:406:45
1111.17:406:45
1211.17:396:46
1311.17:386:46
1411.27:376:47
1511.27:376:47
1611.27:366:47
1711.27:356:48
1811.27:346:48
1911.37:336:49
2011.37:336:49
2111.37:326:49
2211.37:316:50
2311.37:306:50
2411.47:296:50
2511.47:286:51
2611.47:276:51
2711.47:266:51
2811.47:256:52
2911.57:246:52
3011.57:236:52
3111.57:226:53

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.59 kWh/m².

For context, solar energy here swings from a low near 3.51 kWh/m² to a high of 5.84 kWh/m² in December across the year — August's 4.59 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Hazard calendar for Jundiaí

In seasonPeak

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

Jundiaí'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 Jundiaí?

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

8.1
Sightseeing
1st-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Jundiaí in August

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

In August, Jundiaí 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 Jundiaí 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 Jundiaí peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (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 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jundiaí 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 Jundiaí is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1838 µg/m³Jan 1018 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar22Moderate
Apr26Moderate
May31Moderate
Jun35Poor
Jul38Poor
Aug36Poor
Sep35Poor
Oct25Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Jundiaí?

Jundiaí sits at 23.2°S, 46.9°W, 753 m above sea level, in Brazil. The nearest listed city is Várzea Paulista, 6.0 km away.

Topography around Jundiaí

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

Within 3 km, the terrain around Jundiaí has only modest variations in elevation — a maximum elevation change of 133 m around an average of 739 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 643 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,206 m.

The land around Jundiaí is covered by artificial surfaces (70%) within 3 km, trees (56%) and grassland (24%) within 16 km, and trees (46%) and grassland (24%) within 80 km.

3 km
133 m
16 km
643 m
80 km
1,206 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Várzea Paulista 6.0 km · Campo Limpo Paulista 10 km · Louveira 13 km · Francisco Morato 18 km · Itupeva 18 km · Jarinu 19 km · Cajamar 19 km · Vinhedo 20 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 Jundiaí (-23.1864°, -46.8842°, elevation 753 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).