Humberto de Campos weather in March

In March, Humberto de Campos sees average daytime highs of 28°C and overnight lows near 25°C, with 398 mm of rain across 29.7 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 28°C through the month. The sky is clear or mostly clear about 5% of the time in March, and the air most often feels oppressive.

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 Humberto de Campos's 12th-clearest and 10th-windiest month. For the whole year in context, see Humberto de Campos's year-round climate.

Daytime high
28°
12th warmest
Overnight low
25°
2nd coldest
Rainfall
398 mm
29.7 wet days
Daylight
12 hours
6:03 AM – 6:04 PM
Cloud cover
82%
12th clearest
Wind
13 km/h
10th windiest
Solar energy
4.9 kWh/m²
Travel score
3.1
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical March day in Humberto de Campos reaches about 28°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, March runs on par with February and on par with April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How March really feels in Humberto de Campos

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.

Humberto de Campos 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
Jan29° / 25°19123.212.13.8
Feb28° / 25°2792512.13.4
Mar28° / 25°39829.7123.1
Apr28° / 25°39228.211.93.2
May29° / 25°23724.711.93.7
Jun29° / 25°10818.711.94.5
Jul29° / 25°6512.911.95.3
Aug30° / 25°123.311.96.2
Sep30° / 26°61126.5
Oct30° / 26°91.912.16.4
Nov30° / 26°173.612.16.0
Dec30° / 26°5210.912.15.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in March, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51981
61981
71882
81981
91981
101981
111981
121981
131981
141882
151783
161783
171783
181684
191684
201585
211486
221486
231486
241486
251387
261189
271189
281189
291189
301189
311189

Chance of precipitation in March

Any precipitation

Humberto de Campos gets around 398 mm of rain over 29.7 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 96% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
392
493
593
694
794
895
995
1095
1195
1296
1396
1496
1596
1696
1796
1896
1996
2096
2197
2297
2397
2497
2597
2697
2797
2898
2998
3098
3198

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17228
27129
37129
47129
57129
67129
77129
87030
97030
107030
117030
126931
136931
146931
156931
166931
177030
187030
197030
207030
217030
227030
237030
246931
256931
266931
276832
286832
296733
306634
316634

Wind in March

Winds average 13 km/h in March.

Across March, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 6:05 AM to 5:59 AM, and sunset from 6:09 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:056:09
212.16:056:08
312.06:056:08
412.06:056:08
512.06:056:08
612.06:056:07
712.06:056:07
812.06:056:07
912.06:046:06
1012.06:046:06
1112.06:046:06
1212.06:046:05
1312.06:046:05
1412.06:036:05
1512.06:036:04
1612.06:036:04
1712.06:036:04
1812.06:036:03
1912.06:026:03
2012.06:026:03
2112.06:026:02
2212.06:026:02
2312.06:016:01
2412.06:016:01
2512.06:016:01
2612.06:016:00
2712.06:006:00
2812.06:005:59
2912.06:005:59
3012.06:005:59
3112.05:595:58

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.9 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 6.63 kWh/m² in October across the year — March's 4.9 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in March

Hazard calendar for Humberto de Campos

In seasonPeak

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

Humberto de Campos'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 Humberto de Campos?

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

3.1
Sightseeing
12th-best month of the year
3.7
Beach & pool
12th-best month of the year

March is a weaker month for outdoor sightseeing in Humberto de Campos.

What to pack for Humberto de Campos in March

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

In March, Humberto de Campos sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Humberto de Campos 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 27 km away) is warmest in May at about 29°C and coldest in September near 27°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
Aug28Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Warm

UV index in Humberto de Campos 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 Humberto de Campos peaks around March 17 at about 16 (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 16Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Humberto de Campos 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 Humberto de Campos is worst in February — around 17 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 1917 µg/m³Jul 126 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar16Moderate
Apr12Good
May7Good
Jun6Good
Jul6Good
Aug7Good
Sep8Good
Oct10Good
Nov10Good
Dec10Good
Location & terrain

Where is Humberto de Campos?

Humberto de Campos sits at 2.6°S, 43.5°W, 14 m above sea level, in Brazil. The nearest listed city is São José de Ribamar, 67 km away.

Topography around Humberto de Campos

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

Within 3 km, the terrain around Humberto de Campos has only modest variations in elevation — a maximum elevation change of 28 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 135 m.

The land around Humberto de Campos is covered by mangroves (37%), grassland (27%) and trees (21%) within 3 km, trees (45%), grassland (22%) and mangroves (20%) within 16 km, and water (38%) and trees (35%) within 80 km.

3 km
28 m
16 km
56 m
80 km
135 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
March weather nearby: São José de Ribamar 67 km · Urbano Santos 68 km · Icatu 70 km · Morros 71 km · Paço do Lumiar 72 km · Barreirinhas 73 km · Raposa 74 km · São Benedito do Rio Preto 82 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 Humberto de Campos (-2.5983°, -43.4611°, elevation 14 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).