Belém weather in March

In March, Belém sees average daytime highs of 29°C and overnight lows near 24°C, with 404 mm of rain across 30.4 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 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 Belém's 12th-clearest and 9th-windiest month. For the whole year in context, see Belém's year-round climate.

Daytime high
29°
12th warmest
Overnight low
24°
5th coldest
Rainfall
404 mm
30.4 wet days
Daylight
12 hours
6:23 AM – 6:24 PM
Cloud cover
87%
12th clearest
Wind
8 km/h
9th windiest
Solar energy
4.29 kWh/m²
Travel score
2.7
out of 10

Belém 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 29°C through the month.

A typical March day in Belém 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 28°C and 31°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
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How March really feels in Belém

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.

Belém 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
Jan30° / 24°2322712.13.0
Feb30° / 24°31426.9122.8
Mar29° / 24°40430.4122.7
Apr30° / 24°39429.4122.6
May30° / 24°2562711.92.9
Jun31° / 24°1072011.93.6
Jul31° / 24°681511.94.1
Aug32° / 24°3610.1124.4
Sep32° / 24°246.7124.4
Oct32° / 25°276.4124.3
Nov32° / 25°447.412.14.2
Dec31° / 25°10917.812.13.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% 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 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5892
6892
7892
8892
9793
10793
11793
12793
13793
14793
15793
16793
17793
18793
19793
20694
21595
22595
23595
24595
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in March

Any precipitation

Belém gets around 404 mm of rain over 30.4 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 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
197
297
397
497
597
697
797
897
997
1097
1197
1297
1398
1498
1598
1698
1798
1898
1998
2099
2199
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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15842
25743
35743
45743
55644
65644
75644
85545
95446
105446
115347
125347
135248
145248
155149
165149
175149
185050
195050
205050
214951
224951
234852
244852
254753
264654
274654
284555
294456
304357
314258

Wind in March

Winds average 8 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
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
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 6:26 AM to 6:19 AM, and sunset from 6:28 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:266:28
212.06:266:28
312.06:266:28
412.06:266:27
512.06:266:27
612.06:266:27
712.06:256:27
812.06:256:26
912.06:256:26
1012.06:256:26
1112.06:256:26
1212.06:246:25
1312.06:246:25
1412.06:246:25
1512.06:246:24
1612.06:236:24
1712.06:236:24
1812.06:236:23
1912.06:236:23
2012.06:226:23
2112.06:226:22
2212.06:226:22
2312.06:226:22
2412.06:216:21
2512.06:216:21
2612.06:216:20
2712.06:206:20
2812.06:206:20
2912.06:206:19
3012.06:206:19
3112.06:196:19

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.29 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.27 kWh/m² in October across the year — March's 4.29 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in March

Hazard calendar for Belém

In seasonPeak

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

Belém'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 Belém?

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

2.7
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 Belém.

What to pack for Belém in March

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

In March, Belém sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Belém 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 16 km away) is warmest in June at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Belém 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 Belém peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 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 19UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov10Extreme
Dec10Extreme

Air quality in Belém 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 Belém is worst in November — around 24 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1523 µg/m³Jun 1510 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar21Moderate
Apr17Moderate
May12Good
Jun10Good
Jul12Good
Aug13Moderate
Sep15Moderate
Oct19Moderate
Nov24Moderate
Dec18Moderate
Location & terrain

Where is Belém?

Belém sits at 1.5°S, 48.5°W, 15 m above sea level, in Brazil. The nearest listed city is Barcarena, 15 km away.

Topography around Belém

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

Within 3 km, the terrain around Belém has only modest variations in elevation — a maximum elevation change of 28 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, only modest variations in elevation — a maximum elevation change of 69 m.

The land around Belém is covered by water (61%) and artificial surfaces (36%) within 3 km, trees (55%) and water (28%) within 16 km, and trees (62%) within 80 km.

3 km
28 m
16 km
50 m
80 km
69 m
treesgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: Barcarena 15 km · Ananindeua 18 km · Marituba 21 km · Benevides 31 km · Santa Bárbara do Pará 35 km · Ponta de Pedras 41 km · Santa Isabel do Pará 42 km · Abaetetuba 51 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 Belém (-1.4558°, -48.5044°, elevation 15 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).