Quedas do Iguaçu weather in August

In August, Quedas do Iguaçu sees average daytime highs of 24°C and overnight lows near 13°C, with 96 mm of rain across 7.5 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 53% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Quedas do Iguaçu's 1st-clearest and 1st-windiest month. For the whole year in context, see Quedas do Iguaçu's year-round climate.

Daytime high
24°
9th warmest
Overnight low
13°
3rd coldest
Rainfall
96 mm
7.5 wet days
Daylight
11 h 06 min
8:03 AM – 7:09 PM
Cloud cover
42%
1st clearest
Wind
10 km/h
1st windiest
Solar energy
4.17 kWh/m²
Travel score
7.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 25°C by the end.

A typical August day in Quedas do Iguaçu reaches about 24°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 18°C and 30°C. Set against its neighbours, August runs about 3°C warmer than July and about 1°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12312
22312
32312
42312
52312
62312
72412
82412
92412
102412
112413
122413
132413
142413
152413
162413
172413
182413
192513
202513
212513
222513
232513
242513
252513
262513
272513
282514
292614
302614
312614

Quedas do Iguaçu 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
Jan30° / 20°18118.313.44.2
Feb29° / 20°18216.912.94.4
Mar29° / 19°14114.312.25.3
Apr26° / 16°12410.211.46.6
May23° / 13°14910.110.86.9
Jun22° / 12°1429.510.46.8
Jul22° / 12°1148.410.67.1
Aug24° / 13°967.511.17.6
Sep26° / 15°16210.411.86.8
Oct27° / 17°21215.312.65.7
Nov28° / 18°16613.313.25.6
Dec29° / 19°1931713.64.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% 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 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46535
56436
66436
76436
86337
96337
106337
116238
126238
136337
146337
156337
166337
176436
186535
196535
206634
216634
226634
236832
246832
256832
266832
276832
286733
296733
306733
316634

Chance of precipitation in August

Any precipitation

Quedas do Iguaçu gets around 96 mm of rain over 7.5 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 24% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
123
223
323
423
523
624
724
824
924
1024
1124
1225
1325
1425
1525
1625
1725
1825
1925
2025
2125
2224
2324
2424
2524
2624
2724
2824
2924
3024
3124

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 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15139100
25039110
35039110
45039110
55039110
65038120
75038121
85037121
95036131
105036131
115036131
125035141
135035141
145035141
155035141
165035141
174935141
184935141
194836151
204836151
214737151
224638151
234538151
244539151
254439161
264439161
274339162
284339162
294339172
304239172
314238182

Wind in August

Winds average 10 km/h in August, the windiest month of the year.

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 48 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 42 minutes over August. Sunrise moves from 8:14 AM to 7:48 AM, and sunset from 7:02 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:147:02
210.88:137:02
310.88:137:03
410.98:127:03
510.98:117:04
610.98:117:04
710.98:107:05
810.98:097:05
911.08:087:05
1011.08:087:06
1111.08:077:06
1211.08:067:07
1311.08:057:07
1411.18:047:08
1511.18:047:08
1611.18:037:09
1711.18:027:09
1811.18:017:10
1911.28:007:10
2011.27:597:11
2111.27:587:11
2211.27:577:11
2311.37:567:12
2411.37:557:12
2511.37:547:13
2611.37:537:13
2711.47:527:14
2811.47:517:14
2911.47:507:14
3011.47:497:15
3111.57:487:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.17 kWh/m².

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 6.3 kWh/m² in December across the year — August's 4.17 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
93.9Moderate
104.0Moderate
114.0Moderate
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.2Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.3Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.6Bright
294.6Bright
304.6Bright
314.7Bright
Planning a trip in August

Is August a good time to visit Quedas do Iguaçu?

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

7.6
Sightseeing
1st-best month of the year
6.5
Beach & pool
1st-best month of the year

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

What to pack for Quedas do Iguaçu in August

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

In August, Quedas do Iguaçu sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes. About 8 days see rain.

light clothes

UV index in Quedas do Iguaçu in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Quedas do Iguaçu peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 22UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Quedas do Iguaçu 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 Quedas do Iguaçu is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Mar 136 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr8Good
May7Good
Jun7Good
Jul9Good
Aug12Moderate
Sep20Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Quedas do Iguaçu?

Quedas do Iguaçu sits at 25.5°S, 52.9°W, 564 m above sea level, in Brazil. The nearest listed city is Dois Vizinhos, 35 km away.

Topography around Quedas do Iguaçu

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

Within 3 km, the terrain around Quedas do Iguaçu has only modest variations in elevation — a maximum elevation change of 180 m around an average of 546 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 486 m; within 80 km, large variations in elevation — a maximum elevation change of 920 m.

The land around Quedas do Iguaçu is covered by trees (46%) and cropland (27%) within 3 km, trees (44%) and cropland (35%) within 16 km, and trees (38%), cropland (35%) and grassland (23%) within 80 km.

3 km
180 m
16 km
486 m
80 km
920 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Dois Vizinhos 35 km · Laranjeiras do Sul 49 km · Salto do Lontra 55 km · Chopinzinho 59 km · Coronel Vivida 68 km · Francisco Beltrão 71 km · Realeza 72 km · Ampére 77 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 Quedas do Iguaçu (-25.453°, -52.9046°, elevation 564 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).