Quedas do Iguaçu weather in October

In October, Quedas do Iguaçu sees average daytime highs of 27°C and overnight lows near 17°C, with 212 mm of rain across 15.3 wet days and about 12.6 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 30% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of October to 13 hours by month's end. Set against the rest of the year, October is Quedas do Iguaçu's 9th-clearest and 5th-windiest month. For the whole year in context, see Quedas do Iguaçu's year-round climate.

Daytime high
27°
6th warmest
Overnight low
17°
7th coldest
Rainfall
212 mm
15.3 wet days
Daylight
12 h 36 min
6:58 AM – 7:35 PM
Cloud cover
61%
9th clearest
Wind
9 km/h
5th windiest
Solar energy
5.41 kWh/m²
Travel score
5.7
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical October day in Quedas do Iguaçu reaches about 27°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, October runs about 1°C warmer than September and about 1°C cooler than November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12615
22616
32616
42616
52616
62616
72716
82716
92716
102716
112716
122716
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282817
292817
302817
312817

Quedas do Iguaçu weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34654
44555
54654
64555
74555
84456
94456
104456
114456
124456
134357
144357
154357
164456
174456
184456
194456
204357
214357
224357
234456
244357
254357
264456
274357
284456
294555
304555
314555

Chance of precipitation in October

Any precipitation

Quedas do Iguaçu gets around 212 mm of rain over 15.3 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
448
548
648
748
849
949
1049
1150
1250
1350
1451
1551
1651
1752
1852
1952
2052
2152
2251
2351
2450
2549
2649
2748
2848
2948
3048
3147

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1202539160
2192440160
3192340170
4182341190
5172241200
6162140220
7162040241
8152039261
9151938271
10151837291
11141836311
12141835321
13131834331
14121834341
15111833362
16101933372
17101932372
1891932382
1981932392
2081932392
2181932392
2281932392
2381932392
2481933382
2581933382
2691933382
2791833382
2891833382
29101832382
30101732392
31101731392

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 9 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
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 October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over October. Sunrise moves from 7:14 AM to 6:47 AM, and sunset from 7:28 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:147:28
212.37:127:28
312.37:117:29
412.37:107:29
512.37:097:29
612.47:087:30
712.47:077:30
812.47:067:31
912.47:057:31
1012.57:047:32
1112.57:037:32
1212.57:027:33
1312.57:017:33
1412.67:007:34
1512.66:597:34
1612.66:587:35
1712.66:577:35
1812.76:577:36
1912.76:567:37
2012.76:557:37
2112.76:547:38
2212.86:537:38
2312.86:527:39
2412.86:527:39
2512.86:517:40
2612.86:507:41
2712.96:497:41
2812.96:497:42
2912.96:487:43
3012.96:477:43
3113.06:477:44

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.41 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 — October's 5.41 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
315.8Bright
Planning a trip in October

Is October a good time to visit Quedas do Iguaçu?

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

5.7
Sightseeing
7th-best month of the year
5.8
Beach & pool
7th-best month of the year

October is a reasonable time to visit Quedas do Iguaçu for sightseeing.

What to pack for Quedas do Iguaçu in October

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

In October, Quedas do Iguaçu sees daytime highs around 27°C and nights near 17°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Quedas do Iguaçu in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).