Açu weather in August

In August, Açu sees average daytime highs of 34°C and overnight lows near 22°C, with 3 mm of rain across 0.4 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 59% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Açu's 3rd-clearest and 4th-windiest month. For the whole year in context, see Açu's year-round climate.

Daytime high
34°
6th warmest
Overnight low
22°
1st coldest
Rainfall
3 mm
0.4 wet days
Daylight
11 h 48 min
5:37 AM – 5:26 PM
Cloud cover
36%
3rd clearest
Wind
18 km/h
4th windiest
Solar energy
5.73 kWh/m²
Travel score
3.7
out of 10

Açu is human settlement in Brazil.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical August day in Açu reaches about 34°C in the afternoon and slips back to 22°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13422
23422
33422
43422
53422
63422
73422
83422
93422
103422
113422
123422
133422
143422
153422
163422
173422
183422
193422
203422
213422
223422
233422
243522
253522
263522
273522
283522
293522
303522
313522

How August really feels in Açu

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Açu weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 9th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27426
37525
47624
57723
67822
77822
87921
97921
107921
117921
127921
137921
147921
157921
167921
177921
187921
197921
208020
218119
228218
238317
248317
258416
268614
278614
288713
298812
308812
318812

Chance of precipitation in August

Any precipitation

Açu gets around 3 mm of rain over 0.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
32
42
52
62
72
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1553411
2553411
3554401
4555391
5556381
6557371
7656371
8658360
9658360
10658360
11659350
12659350
13660340
14660340
15561340
16561340
17561340
18561340
19561340
20561340
21462340
22462340
23463330
24364330
25364330
26364330
27364330
28364330
29364330
30364330
31364330

Wind in August

Winds average 18 km/h in August.

Across August, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 48 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over August. Sunrise moves from 5:41 AM to 5:31 AM, and sunset from 5:26 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:415:26
211.85:415:26
311.85:415:26
411.85:415:26
511.85:405:26
611.85:405:26
711.85:405:27
811.85:405:27
911.85:395:27
1011.85:395:26
1111.85:395:26
1211.85:395:26
1311.85:385:26
1411.85:385:26
1511.85:385:26
1611.85:375:26
1711.85:375:26
1811.85:375:26
1911.85:365:26
2011.85:365:26
2111.85:355:26
2211.85:355:26
2311.85:355:26
2411.95:345:25
2511.95:345:25
2611.95:335:25
2711.95:335:25
2811.95:325:25
2911.95:325:25
3011.95:325:24
3111.95:315:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.73 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 — August's 5.73 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Açu?

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

3.7
Sightseeing
3rd-best month of the year
7.5
Beach & pool
1st-best month of the year

August is a weaker month for outdoor sightseeing in Açu. The water and warmth also suit a beach or pool day.

What to pack for Açu in August

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

In August, Açu sees daytime highs around 34°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Açu in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (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
August 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).