São Miguel do Iguaçu weather in March

In March, São Miguel do Iguaçu sees average daytime highs of 30°C and overnight lows near 21°C, with 125 mm of rain across 12.6 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 42% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is São Miguel do Iguaçu's 5th-clearest and 12th-windiest month. For the whole year in context, see São Miguel do Iguaçu's year-round climate.

Daytime high
30°
4th warmest
Overnight low
21°
9th coldest
Rainfall
125 mm
12.6 wet days
Daylight
12 h 12 min
7:41 AM – 7:52 PM
Cloud cover
52%
5th clearest
Wind
8 km/h
12th windiest
Solar energy
5.25 kWh/m²
Travel score
4.9
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 March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical March day in São Miguel do Iguaçu reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, March runs on par with February and about 2°C warmer than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73022
83022
93022
103022
113022
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
222921
232921
242921
252921
262920
272920
282920
292920
302920
312920

How March really feels in São Miguel do Iguaçu

Once humidity and wind are folded in, March averages 15 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
15
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São Miguel do Iguaçu weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 10th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45743
55743
65842
75842
85743
95842
105842
115842
125842
135842
145743
155743
165743
175842
185842
195842
205941
215941
225941
235941
245842
255842
265842
275842
285842
295743
305743
315743

Chance of precipitation in March

Any precipitation

São Miguel do Iguaçu gets around 125 mm of rain over 12.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
346
445
545
644
744
843
943
1042
1142
1242
1342
1441
1541
1641
1741
1840
1940
2040
2139
2239
2338
2438
2537
2637
2737
2836
2936
3035
3134

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
101123453
201123453
301133551
401133650
500133749
600143848
700143947
800144046
900144144
1000144243
1100154342
1200154441
1300154540
1401154639
1501154738
1601154737
1702154835
1802164834
1902164833
2003174831
2103184830
2214184829
2314194828
2414204827
2515204826
2615214726
2715214725
2826214725
2926224624
3027224624
3127224523

Wind in March

Winds average 8 km/h in March, the calmest month.

Across March, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 36 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over March. Sunrise moves from 7:33 AM to 7:48 AM, and sunset from 8:07 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.67:338:07
212.57:348:06
312.57:358:05
412.57:358:04
512.57:368:03
612.47:368:02
712.47:378:01
812.47:378:00
912.47:387:59
1012.37:387:58
1112.37:397:57
1212.37:397:56
1312.37:407:55
1412.27:407:54
1512.27:417:53
1612.27:417:52
1712.27:427:51
1812.17:427:50
1912.17:427:49
2012.17:437:48
2112.17:437:47
2212.07:447:46
2312.07:447:45
2412.07:457:44
2512.07:457:43
2611.97:467:41
2711.97:467:40
2811.97:477:39
2911.97:477:38
3011.87:477:37
3111.87:487:36

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.25 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 — March's 5.25 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in March

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

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

4.9
Sightseeing
9th-best month of the year
6.6
Beach & pool
5th-best month of the year

March 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 March

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

In March, São Miguel do Iguaçu sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in São Miguel do Iguaçu in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (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 March

GoodModeratePoorUnhealthyVery unhealthy

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