Porto Grande weather in April

In April, Porto Grande sees average daytime highs of 30°C and overnight lows near 23°C, with 271 mm of rain across 28 wet days and about 12 hours of daylight. It is the 10th-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 1% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 12 hours by month's end. Set against the rest of the year, April is Porto Grande's 12th-clearest and 9th-windiest month. For the whole year in context, see Porto Grande's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
9th coldest
Rainfall
271 mm
28 wet days
Daylight
12 hours
6:25 AM – 6:26 PM
Cloud cover
89%
12th clearest
Wind
7 km/h
9th windiest
Solar energy
3.67 kWh/m²
Travel score
2.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical April day in Porto Grande 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, April runs on par with March and on par with May.

20°25°30°35°151015202530
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

How April really feels in Porto Grande

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Porto Grande weather by month

How April compares with the rest of the year at a glance. April is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°19327.1122.9
Feb29° / 23°23924.9123.0
Mar30° / 23°25627.1123.0
Apr30° / 23°27128122.8
May30° / 23°24528.6122.8
Jun30° / 22°12725123.1
Jul31° / 22°9321.6123.5
Aug32° / 23°4212123.9
Sep34° / 23°174.3123.6
Oct35° / 23°153.4123.1
Nov34° / 23°316.6123.0
Dec32° / 23°10419.5123.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in April, the cloudiest month of the year.

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

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8595
9595
10595
11595
12595
13694
14694
15694
16694
17694
18694
19595
20595
21595
22595
23595
24595
25595
26793
27793
28793
29793
30892

Chance of precipitation in April

Any precipitation

Porto Grande gets around 271 mm of rain over 28 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
292
392
492
593
693
793
893
993
1093
1193
1294
1394
1494
1594
1694
1794
1894
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2994
3094

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
18812
28713
38713
48614
58515
68515
78416
88416
98416
108416
118317
128317
138317
148317
158317
168317
178218
188218
198218
208218
218119
228119
238119
248020
257921
267921
277822
287822
297723
307723

Wind in April

Winds average 7 km/h in April.

Across April, 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.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 0 minutes over April. Sunrise moves from 6:30 AM to 6:22 AM, and sunset from 6:30 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:306:30
212.06:306:30
312.06:296:30
412.06:296:30
512.06:296:29
612.06:286:29
712.06:286:29
812.06:286:28
912.06:276:28
1012.06:276:28
1112.06:276:28
1212.06:276:27
1312.06:266:27
1412.06:266:27
1512.06:266:27
1612.06:256:26
1712.06:256:26
1812.06:256:26
1912.06:256:26
2012.06:246:25
2112.06:246:25
2212.06:246:25
2312.06:246:25
2412.06:236:25
2512.06:236:24
2612.06:236:24
2712.06:236:24
2812.06:236:24
2912.06:226:24
3012.06:226:24

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.67 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 6.23 kWh/m² in October across the year — April's 3.67 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
Planning a trip in April

Hazard calendar for Porto Grande

In seasonPeak

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

Porto Grande'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 April a good time to visit Porto Grande?

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

2.8
Sightseeing
11th-best month of the year
3.8
Beach & pool
12th-best month of the year

April is a weaker month for outdoor sightseeing in Porto Grande.

What to pack for Porto Grande in April

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

In April, Porto Grande sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Porto Grande in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porto Grande peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 15Aug 10UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Porto Grande in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Porto Grande is worst in February — around 20 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2020 µg/m³Jul 218 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar19Moderate
Apr17Moderate
May10Good
Jun8Good
Jul8Good
Aug8Good
Sep10Good
Oct14Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Porto Grande?

Porto Grande sits at 0.7°N, 51.4°W, 68 m above sea level, in Brazil. The nearest listed city is Macapá, 84 km away.

Anajás

Topography around Porto Grande

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

Within 3 km, the terrain around Porto Grande has only modest variations in elevation — a maximum elevation change of 59 m around an average of 74 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, significant variations in elevation — a maximum elevation change of 440 m.

The land around Porto Grande is covered by trees (40%) and grassland (34%) within 3 km, trees (73%) and grassland (22%) within 16 km, and trees (78%) within 80 km.

3 km
59 m
16 km
177 m
80 km
440 m
treesgrasslandartificial surfacesbare terrainwaterwetland
April weather nearby: Macapá 84 km · Santana 88 km · Mazagão 93 km · Afuá 150 km · Chaves 186 km · Laranjal do Jari 210 km · Gurupá 237 km · Anajás 250 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 Porto Grande (0.7133°, -51.4133°, elevation 68 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. 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).