São Miguel do Iguaçu weather in April

In April, São Miguel do Iguaçu sees average daytime highs of 28°C and overnight lows near 19°C, with 127 mm of rain across 9.1 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 26°C by the end. The sky is clear or mostly clear about 44% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is São Miguel do Iguaçu's 4th-clearest and 9th-windiest month. For the whole year in context, see São Miguel do Iguaçu's year-round climate.

Daytime high
28°
7th warmest
Overnight low
19°
6th coldest
Rainfall
127 mm
9.1 wet days
Daylight
11 h 24 min
7:55 AM – 7:19 PM
Cloud cover
50%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
4.36 kWh/m²
Travel score
6.4
out of 10

São Miguel do Iguaçu is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 26°C by the end.

A typical April day in São Miguel do Iguaçu reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°C. Set against its neighbours, April runs about 2°C cooler than March and about 4°C warmer than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82819
92819
102819
112819
122819
132819
142819
152819
162819
172719
182718
192718
202718
212718
222718
232718
242718
252618
262618
272618
282617
292617
302617

How April really feels in São Miguel do Iguaçu

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

São Miguel do Iguaçu weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°15316.213.43.9
Feb31° / 22°13814.112.94.2
Mar30° / 21°12512.612.24.9
Apr28° / 19°1279.111.46.4
May24° / 16°1569.610.87.0
Jun22° / 14°130910.57.0
Jul23° / 14°1138.610.67.2
Aug25° / 15°946.911.17.7
Sep27° / 17°1499.811.86.7
Oct28° / 19°18313.212.65.5
Nov29° / 20°14611.713.25.1
Dec30° / 22°16814.913.54.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25644
35644
45644
55644
65743
75743
85743
95743
105842
115842
125941
135941
145941
155941
165941
175941
185941
195941
205842
215842
225842
235842
245743
255743
265743
275743
285644
295644
305644

Chance of precipitation in April

Any precipitation

São Miguel do Iguaçu gets around 127 mm of rain over 9.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
134
233
333
433
532
632
732
831
931
1031
1131
1231
1331
1431
1531
1631
1731
1831
1931
2031
2130
2230
2330
2430
2530
2629
2729
2829
2929
3029

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
137224523
238224522
338224522
448224521
549224520
659224520
759224519
8510224518
9610224517
10611224616
11711224615
12711224614
13712224613
14712234711
15812234710
1681224479
1781225478
1881226468
1981227467
2081228456
2181230446
2291231435
2391232415
2491234405
25101335384
26101336374
27111337354
28121437334
29131438323
30131538303

Wind in April

Winds average 9 km/h in April.

Across April, 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.

051015151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 7:48 AM to 8:02 AM, and sunset from 7:35 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:487:35
211.87:497:34
311.77:497:33
411.77:507:32
511.77:507:31
611.77:507:30
711.67:517:29
811.67:517:27
911.67:527:26
1011.67:527:25
1111.57:537:24
1211.57:537:23
1311.57:547:22
1411.57:547:21
1511.47:557:20
1611.47:557:19
1711.47:557:18
1811.47:567:17
1911.37:567:16
2011.37:577:16
2111.37:577:15
2211.37:587:14
2311.27:587:13
2411.27:597:12
2511.27:597:11
2611.28:007:10
2711.18:007:09
2811.18:017:08
2911.18:017:08
3011.18:027:07

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.36 kWh/m².

For context, solar energy here swings from a low near 2.89 kWh/m² to a high of 6.4 kWh/m² in December across the year — April's 4.36 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.0Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
Planning a trip in April

Is April a good time to visit São Miguel do Iguaçu?

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

6.4
Sightseeing
6th-best month of the year
6.9
Beach & pool
1st-best month of the year

April is a reasonable time to visit São Miguel do Iguaçu for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Miguel do Iguaçu in April

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

In April, São Miguel do Iguaçu sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.

light clothesrain gear

UV index in São Miguel do Iguaçu in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Miguel do Iguaçu peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep6High
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in São Miguel do Iguaçu in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in São Miguel do Iguaçu is worst in September — around 19 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1618 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul7Good
Aug11Good
Sep19Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is São Miguel do Iguaçu?

São Miguel do Iguaçu sits at 25.3°S, 54.2°W, 331 m above sea level, in Brazil. The nearest listed city is Medianeira, 16 km away.

Topography around São Miguel do Iguaçu

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

Within 3 km, the terrain around São Miguel do Iguaçu has only modest variations in elevation — a maximum elevation change of 170 m around an average of 292 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 243 m; within 80 km, large variations in elevation — a maximum elevation change of 679 m.

The land around São Miguel do Iguaçu is covered by cropland (39%) and trees (27%) within 3 km, cropland (66%) and trees (21%) within 16 km, and trees (45%) and cropland (37%) within 80 km.

3 km
170 m
16 km
243 m
80 km
679 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Medianeira 16 km · Santa Terezinha de Itaipu 19 km · Matelândia 28 km · Foz do Iguacu 42 km · Iguazu 44 km · Presidente Franco 44 km · Ciudad del Este 45 km · Santa Helena 55 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 São Miguel do Iguaçu (-25.3481°, -54.2378°, elevation 331 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).