Macapá weather in March

In March, Macapá sees average daytime highs of 29°C and overnight lows near 24°C, with 387 mm of rain across 29.2 wet days and about 12 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% 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 Macapá's 11th-clearest and 8th-windiest month. For the whole year in context, see Macapá's year-round climate.

Daytime high
29°
11th warmest
Overnight low
24°
3rd coldest
Rainfall
387 mm
29.2 wet days
Daylight
12 hours
6:34 AM – 6:34 PM
Cloud cover
87%
11th clearest
Wind
10 km/h
8th windiest
Solar energy
3.95 kWh/m²
Travel score
3.0
out of 10

Macapá is municipality of Amapá state, Brazil.

Density
80/km²
people per km²
Founded
1758

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 29°C through the month.

A typical March day in Macapá reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°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)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How March really feels in Macapá

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.

Macapá weather by month

How March compares with the rest of the year at a glance. March is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°27429.2123.0
Feb29° / 24°32226.7123.0
Mar29° / 24°38729.2123.0
Apr29° / 24°38429.2122.9
May30° / 24°35729.6122.9
Jun30° / 24°20527.3123.0
Jul30° / 24°15525.8123.3
Aug31° / 25°7318123.8
Sep32° / 25°268.7124.4
Oct32° / 25°174.5124.5
Nov32° / 25°358.5124.1
Dec31° / 25°12822.8123.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in March.

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 (%)
1892
2892
3892
4892
5892
6892
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19892
20892
21793
22793
23793
24793
25694
26694
27694
28694
29694
30694
31694

Chance of precipitation in March

Any precipitation

Macapá gets around 387 mm of rain over 29.2 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 94% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
197
297
397
496
596
696
795
895
994
1094
1193
1293
1392
1492
1592
1692
1792
1892
1992
2092
2193
2293
2394
2494
2595
2695
2796
2896
2996
3096
3196

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17228
27228
37228
47228
57228
67129
77129
87129
97030
107030
117030
126931
136931
146832
156832
166733
176733
186634
196535
206535
216436
226337
236238
246139
256040
265941
275842
285743
295644
305545
315446

Wind in March

Winds average 10 km/h in March.

Across March, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:38 AM to 6:29 AM, and sunset from 6:37 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:386:37
212.06:376:37
312.06:376:37
412.06:376:37
512.06:376:37
612.06:376:36
712.06:366:36
812.06:366:36
912.06:366:36
1012.06:366:36
1112.06:356:35
1212.06:356:35
1312.06:356:35
1412.06:356:34
1512.06:346:34
1612.06:346:34
1712.06:346:34
1812.06:336:33
1912.06:336:33
2012.06:336:33
2112.06:326:32
2212.06:326:32
2312.06:326:32
2412.06:316:31
2512.06:316:31
2612.06:316:31
2712.06:316:31
2812.06:306:30
2912.06:306:30
3012.06:306:30
3112.06:296:29

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.95 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.3 kWh/m² in October across the year — March's 3.95 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Moderate
94.0Moderate
104.0Moderate
114.0Moderate
124.0Moderate
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in March

Hazard calendar for Macapá

In seasonPeak

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

Macapá's monsoon runs January–June, 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 Macapá?

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

3.0
Sightseeing
7th-best month of the year
3.8
Beach & pool
10th-best month of the year

March is a weaker month for outdoor sightseeing in Macapá.

What to pack for Macapá in March

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

In March, Macapá sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Macapá 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 23 km away) is warmest in October at about 30°C and coldest in March near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar28Tropical
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Macapá 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 Macapá peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Macapá 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 Macapá is worst in February — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2020 µg/m³Jul 177 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar20Moderate
Apr17Moderate
May10Good
Jun8Good
Jul7Good
Aug7Good
Sep9Good
Oct13Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Macapá?

Macapá sits at 0.0°N, 51.1°W, 17 m above sea level, in Brazil. The nearest listed city is Santana, 15 km away.

Topography around Macapá

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

Within 3 km, the terrain around Macapá has only modest variations in elevation — a maximum elevation change of 27 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 132 m.

The land around Macapá is covered by artificial surfaces (52%) and grassland (22%) within 3 km, water (41%), trees (25%) and grassland (20%) within 16 km, and trees (60%) and water (22%) within 80 km.

3 km
27 m
16 km
42 m
80 km
132 m
treesgrasslandartificial surfacesbare terrainwaterwetland
March weather nearby: Santana 15 km · Mazagão 30 km · Afuá 79 km · Porto Grande 84 km · Chaves 122 km · Anajás 169 km · Gurupá 173 km · Laranjal do Jari 187 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 Macapá (0.0389°, -51.0664°, elevation 17 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).