Igarapé-Açu weather in March

In March, Igarapé-Açu sees average daytime highs of 30°C and overnight lows near 23°C, with 373 mm of rain across 30.2 wet days and about 12 hours of daylight. It is the 12th-warmest and 1st-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 0% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of March to 12 hours by month's end. Set against the rest of the year, March is Igarapé-Açu's 11th-clearest and 10th-windiest month. For the whole year in context, see Igarapé-Açu's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
7th coldest
Rainfall
373 mm
30.2 wet days
Daylight
12 hours
6:20 AM – 6:20 PM
Cloud cover
89%
11th clearest
Wind
7 km/h
10th windiest
Solar energy
3.89 kWh/m²
Travel score
2.6
out of 10

Igarapé-Açu 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 Igarapé-Açu reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How March really feels in Igarapé-Açu

Once humidity and wind are folded in, March averages 31 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
31
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.

Igarapé-Açu weather by month

How March compares with the rest of the year at a glance. March is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°21325.912.12.8
Feb30° / 23°28426.6122.7
Mar30° / 23°37330.2122.6
Apr30° / 23°34829.5122.6
May31° / 23°24527.211.92.8
Jun31° / 23°11421.111.93.3
Jul31° / 23°851811.93.7
Aug32° / 23°4312.4124.0
Sep33° / 23°277.7124.0
Oct33° / 24°225.5123.9
Nov33° / 24°336.612.13.7
Dec32° / 24°8014.512.13.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 5% of March, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8892
9892
10793
11793
12793
13793
14793
15694
16595
17595
18595
19595
20496
21496
22496
23496
24496
25397
26397
27397
28397
29397
30397
31397

Chance of precipitation in March

Any precipitation

Igarapé-Açu gets around 373 mm of rain over 30.2 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 97% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
396
496
596
696
796
896
996
1096
1196
1297
1397
1497
1597
1697
1798
1898
1998
2098
2198
2299
2399
2499
2599
2699
2799
2899
2999
3099
3199

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17723
27723
37723
47723
57723
67624
77624
87624
97624
107624
117624
127624
137624
147624
157624
167624
177624
187525
197525
207525
217426
227426
237327
247327
257228
267129
277030
287030
296931
306832
316733

Wind in March

Winds average 7 km/h in March.

Across March, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

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

Days grow by about 0 minutes over March. Sunrise moves from 6:23 AM to 6:16 AM, and sunset from 6:24 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:236:24
212.06:236:24
312.06:236:24
412.06:236:24
512.06:226:24
612.06:226:23
712.06:226:23
812.06:226:23
912.06:226:22
1012.06:216:22
1112.06:216:22
1212.06:216:22
1312.06:216:21
1412.06:206:21
1512.06:206:21
1612.06:206:20
1712.06:206:20
1812.06:196:20
1912.06:196:19
2012.06:196:19
2112.06:196:19
2212.06:186:18
2312.06:186:18
2412.06:186:18
2512.06:176:17
2612.06:176:17
2712.06:176:17
2812.06:176:16
2912.06:166:16
3012.06:166:16
3112.06:166:15

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.89 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 6 kWh/m² in October across the year — March's 3.89 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Moderate
74.0Moderate
84.0Moderate
94.0Moderate
104.0Moderate
114.0Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in March

Hazard calendar for Igarapé-Açu

In seasonPeak

In March, Igarapé-Açu sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Igarapé-Açu's monsoon runs January–May, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Igarapé-Açu?

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

2.6
Sightseeing
11th-best month of the year
3.6
Beach & pool
11th-best month of the year

March is a weaker month for outdoor sightseeing in Igarapé-Açu.

What to pack for Igarapé-Açu in March

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

In March, Igarapé-Açu sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Igarapé-Açu in March

The nearest coast averages about 28°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 62 km away) is warmest in June at about 29°C and coldest in February near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct28Tropical
Nov28Tropical
Dec28Tropical

UV index in Igarapé-Açu in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Igarapé-Açu peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jul 18UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Igarapé-Açu 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 Igarapé-Açu is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 2020 µg/m³Jul 128 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar20Moderate
Apr15Moderate
May10Good
Jun8Good
Jul8Good
Aug9Good
Sep11Good
Oct13Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Igarapé-Açu?

Igarapé-Açu sits at 1.1°S, 47.6°W, 39 m above sea level, in Brazil. The nearest listed city is Santa Maria do Pará, 25 km away.

Topography around Igarapé-Açu

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

Within 3 km, the terrain around Igarapé-Açu has only modest variations in elevation — a maximum elevation change of 49 m around an average of 44 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, only modest variations in elevation — a maximum elevation change of 112 m.

The land around Igarapé-Açu is covered by trees (53%) and grassland (37%) within 3 km, trees (64%) and grassland (36%) within 16 km, and trees (58%) and grassland (21%) within 80 km.

3 km
49 m
16 km
70 m
80 km
112 m
treesgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: Santa Maria do Pará 25 km · Castanhal 39 km · Maracanã 44 km · Marapanim 47 km · Capanema 49 km · Curuçá 51 km · Santo Antônio do Tauá 57 km · São Miguel do Guamá 57 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 Igarapé-Açu (-1.1289°, -47.62°, elevation 39 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).