Açu weather in April

In April, Açu sees average daytime highs of 33°C and overnight lows near 24°C, with 86 mm of rain across 13.3 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 21% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 11 h 48 min by month's end. Set against the rest of the year, April is Açu's 12th-clearest and 12th-windiest month. For the whole year in context, see Açu's year-round climate.

Daytime high
33°
11th warmest
Overnight low
24°
8th coldest
Rainfall
86 mm
13.3 wet days
Daylight
11 h 54 min
5:32 AM – 5:24 PM
Cloud cover
65%
12th clearest
Wind
11 km/h
12th windiest
Solar energy
5.28 kWh/m²
Travel score
3.2
out of 10

Açu is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical April day in Açu reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324

How April really feels in Açu

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.

Açu weather by month

How April compares with the rest of the year at a glance. April is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 24°508.712.32.7
Feb34° / 24°6310.512.22.8
Mar33° / 24°9214.8122.9
Apr33° / 24°8613.311.93.2
May33° / 24°406.711.73.6
Jun33° / 23°244.311.74.1
Jul33° / 22°152.411.74.2
Aug34° / 22°30.411.83.7
Sep35° / 23°10.1123.1
Oct36° / 23°10.112.12.7
Nov36° / 24°20.412.32.7
Dec36° / 24°102.512.32.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24258
34357
44258
54357
64357
74258
84258
94258
104258
114159
124159
134159
144060
154159
164159
174159
184159
194159
204159
214159
224159
234258
244258
254357
264258
274357
284456
294555
304555

Chance of precipitation in April

Any precipitation

Açu gets around 86 mm of rain over 13.3 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 44% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
153
253
352
452
551
650
749
848
948
1047
1146
1245
1345
1444
1544
1643
1743
1842
1942
2041
2141
2240
2340
2440
2539
2638
2738
2837
2936
3035

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1013789
2013789
3014779
4014788
5014788
6015787
7015787
8015787
9016786
10016786
11016795
12117775
13117784
14118774
15118774
16118783
17118783
18119773
19119773
20119782
21119782
22120772
23120772
24121762
25121762
26122752
27122752
28123742
29224722
30225712

Wind in April

Winds average 11 km/h in April, the calmest month.

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

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 11 h 48 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 5:34 AM to 5:31 AM, and sunset from 5:31 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:345:31
211.95:345:30
311.95:335:30
411.95:335:29
511.95:335:29
611.95:335:29
711.95:335:28
811.95:335:28
911.95:325:27
1011.95:325:27
1111.95:325:26
1211.95:325:26
1311.95:325:25
1411.95:325:25
1511.95:325:25
1611.95:325:24
1711.95:315:24
1811.95:315:23
1911.95:315:23
2011.95:315:23
2111.95:315:22
2211.85:315:22
2311.85:315:22
2411.85:315:21
2511.85:315:21
2611.85:315:21
2711.85:315:20
2811.85:315:20
2911.85:315:20
3011.85:315:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.8 kWh/m² in October across the year — April's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Açu?

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

3.2
Sightseeing
5th-best month of the year
5.6
Beach & pool
10th-best month of the year

April is a weaker month for outdoor sightseeing in Açu.

What to pack for Açu in April

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

In April, Açu sees daytime highs around 33°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

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

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Açu?

Açu sits at 5.6°S, 36.9°W, 36 m above sea level, in Brazil. The nearest listed city is Jucurutu, 52 km away.

Topography around Açu

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

Within 3 km, the terrain around Açu has only modest variations in elevation — a maximum elevation change of 78 m around an average of 37 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, large variations in elevation — a maximum elevation change of 749 m.

The land around Açu is covered by grassland (35%) and artificial surfaces (22%) within 3 km, shrubs (49%) and grassland (35%) within 16 km, and shrubs (66%) and grassland (20%) within 80 km.

3 km
78 m
16 km
132 m
80 km
749 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Jucurutu 52 km · Macau 60 km · Mossoró 65 km · Areia Branca 73 km · Lagoa Nova 75 km · Caraúbas 76 km · Guamaré 83 km · Currais Novos 87 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 Açu (-5.5767°, -36.9086°, elevation 36 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).