Porto Acre weather in April

In April, Porto Acre sees average daytime highs of 30°C and overnight lows near 22°C, with 189 mm of rain across 24.8 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 6th-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 3% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 42 min by month's end. Set against the rest of the year, April is Porto Acre's 7th-clearest and 11th-windiest month. For the whole year in context, see Porto Acre's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
6th coldest
Rainfall
189 mm
24.8 wet days
Daylight
11 h 48 min
5:37 AM – 5:24 PM
Cloud cover
84%
7th clearest
Wind
5 km/h
11th windiest
Solar energy
4.37 kWh/m²
Travel score
3.0
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 Acre reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°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
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How April really feels in Porto Acre

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 Acre weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26427.612.52.7
Feb30° / 23°26925.412.32.7
Mar30° / 23°2822812.12.7
Apr30° / 22°18924.811.83.0
May30° / 22°10217.511.64.1
Jun30° / 21°418.611.55.0
Jul31° / 20°26511.55.0
Aug33° / 21°477.511.73.9
Sep33° / 22°9013.411.93.1
Oct32° / 23°15220.712.22.8
Nov31° / 23°21323.812.42.7
Dec31° / 23°26627.312.52.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 9% of April, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6793
7892
8892
9892
10991
11991
12991
131090
141090
151288
161288
171288
181387
191387
201387
211486
221486
231585
241684
251684
261783
271882
281882
291882
301981

Chance of precipitation in April

Any precipitation

Porto Acre gets around 189 mm of rain over 24.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 89% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
289
388
488
588
687
787
886
986
1085
1185
1284
1383
1483
1582
1682
1781
1881
1980
2080
2179
2279
2378
2477
2576
2676
2775
2874
2973
3072

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10015841
20015841
30015841
40025741
50025741
60025741
70025840
80025840
90035740
100135739
110135739
120145738
130145738
140145738
150155638
160155638
170155638
180155638
190155539
200155539
210255340
221265140
231265140
241265140
251265140
261275040
271275040
281275040
291385039
301385038

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 5:37 AM to 5:37 AM, and sunset from 5:32 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:375:32
211.95:375:32
311.95:375:31
411.95:375:31
511.95:375:30
611.95:375:29
711.95:375:29
811.95:375:28
911.85:375:28
1011.85:375:27
1111.85:375:27
1211.85:375:26
1311.85:375:26
1411.85:375:25
1511.85:375:25
1611.85:375:24
1711.85:375:23
1811.85:375:23
1911.85:375:22
2011.85:375:22
2111.75:375:22
2211.75:375:21
2311.75:375:21
2411.75:375:20
2511.75:375:20
2611.75:375:19
2711.75:375:19
2811.75:375:18
2911.75:375:18
3011.75:375:18

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.37 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 5.53 kWh/m² in September across the year — April's 4.37 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in April

Hazard calendar for Porto Acre

In seasonPeak

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

Porto Acre's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Porto Acre?

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

3.0
Sightseeing
6th-best month of the year
4.2
Beach & pool
7th-best month of the year

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

What to pack for Porto Acre in April

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

In April, Porto Acre sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Porto Acre in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (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 Acre peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 10 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 20UV 15Sep 10UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul8Very high
Aug6High
Sep5Moderate
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Porto Acre 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 Acre is worst in September — around 100 µg/m³ PM2.5 (unhealthy), about 12.4× the cleanest month (June, 8 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateGoodSep 1394 µg/m³Jun 98 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun8Good
Jul14Moderate
Aug65Unhealthy
Sep100Unhealthy
Oct27Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Porto Acre?

Porto Acre sits at 9.6°S, 67.5°W, 121 m above sea level, in Brazil. The nearest listed city is Rio Branco, 53 km away.

Topography around Porto Acre

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

Within 3 km, the terrain around Porto Acre has only modest variations in elevation — a maximum elevation change of 70 m around an average of 140 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 105 m; within 80 km, only modest variations in elevation — a maximum elevation change of 145 m.

The land around Porto Acre is covered by trees (74%) and grassland (23%) within 3 km, trees (68%) and grassland (31%) within 16 km, and trees (65%) and grassland (35%) within 80 km.

3 km
70 m
16 km
105 m
80 km
145 m
treesgrasslandartificial surfaceswater
April weather nearby: Rio Branco 53 km · Senador Guiomard 66 km · Plácido de Castro 91 km · Boca do Acre 94 km · Sena Madureira 138 km · Xapuri 159 km · Brasiléia 207 km · Epitaciolândia 208 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 Acre (-9.5883°, -67.5325°, elevation 121 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).