Icatu weather in March

In March, Icatu sees average daytime highs of 30°C and overnight lows near 24°C, with 432 mm of rain across 30.2 wet days and about 12 hours of daylight. It is the 11th-warmest and 2nd-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 2% of the time in March, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Icatu's 12th-clearest and 10th-windiest month. For the whole year in context, see Icatu's year-round climate.

Daytime high
30°
11th warmest
Overnight low
24°
4th coldest
Rainfall
432 mm
30.2 wet days
Daylight
12 hours
6:05 AM – 6:06 PM
Cloud cover
86%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
4.72 kWh/m²
Travel score
2.6
out of 10

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 Icatu reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How March really feels in Icatu

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.

Icatu weather by month

How March compares with the rest of the year at a glance. March is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°23925.312.12.8
Feb30° / 24°31225.612.12.7
Mar30° / 24°43230.2122.6
Apr30° / 24°44028.711.92.6
May31° / 24°28825.511.93.0
Jun31° / 24°12017.611.83.8
Jul31° / 24°7313.111.94.4
Aug32° / 24°205.611.94.4
Sep33° / 25°113.1124.1
Oct33° / 25°204.712.13.9
Nov33° / 25°367.412.13.8
Dec32° / 25°8715.512.23.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in March, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of March, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31288
41189
51189
61189
71090
81090
9991
10991
11991
12991
13892
14892
15892
16892
17892
18793
19793
20793
21793
22694
23694
24694
25694
26595
27595
28595
29595
30595
31595

Chance of precipitation in March

Any precipitation

Icatu gets around 432 mm of rain over 30.2 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 97% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
294
394
494
595
695
796
896
996
1096
1197
1297
1397
1497
1598
1698
1798
1898
1998
2098
2198
2299
2399
2499
2599
2699
2799
2899
2999
3099
3199

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the miserable band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15545
25446
35347
45347
55248
65149
75149
85050
94951
104951
114852
124852
134753
144753
154753
164753
174753
184753
194753
204753
214753
224753
234753
244753
254654
264654
274555
284555
294456
304456
314357

Wind in March

Winds average 8 km/h in March.

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
79calm
89calm
99calm
109calm
119calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 06 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over March. Sunrise moves from 6:08 AM to 6:02 AM, and sunset from 6:11 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:086:11
212.16:086:11
312.16:086:11
412.06:076:10
512.06:076:10
612.06:076:10
712.06:076:10
812.06:076:09
912.06:076:09
1012.06:076:09
1112.06:066:08
1212.06:066:08
1312.06:066:08
1412.06:066:07
1512.06:066:07
1612.06:056:06
1712.06:056:06
1812.06:056:06
1912.06:056:05
2012.06:046:05
2112.06:046:05
2212.06:046:04
2312.06:046:04
2412.06:046:03
2512.06:036:03
2612.06:036:03
2712.06:036:02
2812.06:036:02
2912.06:026:01
3012.06:026:01
3112.06:026:01

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.72 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.44 kWh/m² in October across the year — March's 4.72 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in March

Hazard calendar for Icatu

In seasonPeak

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

Icatu'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 Icatu?

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
12th-best month of the year

March is a weaker month for outdoor sightseeing in Icatu.

What to pack for Icatu in March

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

In March, Icatu sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Icatu 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 38 km away) is warmest in May at about 29°C and coldest in October 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
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Warm
Oct28Warm
Nov28Warm
Dec28Warm

UV index in Icatu in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Icatu peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Icatu 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 Icatu is worst in February — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2017 µg/m³Jun 149 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar17Moderate
Apr14Moderate
May10Good
Jun9Good
Jul11Good
Aug10Good
Sep10Good
Oct12Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Icatu?

Icatu sits at 2.8°S, 44.1°W, 8 m above sea level, in Brazil. The nearest listed city is Morros, 10 km away.

Topography around Icatu

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

Within 3 km, the terrain around Icatu has only modest variations in elevation — a maximum elevation change of 76 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, only modest variations in elevation — a maximum elevation change of 128 m.

The land around Icatu is covered by mangroves (42%), trees (29%) and water (21%) within 3 km, trees (53%) and water (28%) within 16 km, and trees (41%) and water (29%) within 80 km.

3 km
76 m
16 km
84 m
80 km
128 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: Morros 10 km · São José de Ribamar 24 km · Rosário 27 km · Paço do Lumiar 27 km · Bacabeira 35 km · São Luís 38 km · Raposa 39 km · Santa Rita 50 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 Icatu (-2.7758°, -44.0658°, elevation 8 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).