Caicó weather in August

In August, Caicó sees average daytime highs of 33°C and overnight lows near 21°C, with 5 mm of rain across 0.4 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 9th-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 58% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Caicó's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Caicó's year-round climate.

Daytime high
33°
10th warmest
Overnight low
21°
1st coldest
Rainfall
5 mm
0.4 wet days
Daylight
11 h 48 min
5:39 AM – 5:26 PM
Cloud cover
36%
3rd clearest
Wind
20 km/h
2nd windiest
Solar energy
5.88 kWh/m²
Travel score
4.3
out of 10

Caicó 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 33°C through the month.

A typical August day in Caicó reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, August runs about 1°C warmer than July and about 2°C cooler than September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13321
23321
33321
43321
53321
63321
73321
83321
93321
103321
113321
123321
133321
143321
153321
163321
173321
183321
193321
203421
213421
223421
233421
243421
253421
263421
273421
283421
293421
303421
313421

How August really feels in Caicó

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.

Caicó weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 24°59712.32.6
Feb35° / 24°568.412.22.6
Mar34° / 24°10111.8122.7
Apr34° / 24°6710.311.93.1
May33° / 23°305.511.73.6
Jun32° / 22°193.411.64.4
Jul32° / 21°12211.74.6
Aug33° / 21°50.411.84.3
Sep35° / 22°10.1123.4
Oct36° / 23°40.312.12.7
Nov36° / 23°10.212.32.5
Dec36° / 24°111.912.42.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
27030
37129
47228
57426
67426
77624
87624
97723
107723
117822
127822
137822
147822
157822
167822
177921
187921
197921
207921
218020
228020
238119
248317
258317
268515
278515
288614
298713
308713
318713

Chance of precipitation in August

Any precipitation

Caicó gets around 5 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 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
33
43
53
63
72
82
92
102
112
121
131
141
151
161
171
181
190
200
210
220
230
240
250
260
270
280
290
300
310

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
1126820
2126919
3136819
4146818
5146917
6156817
7156916
8156916
9157015
10157015
11157015
12157114
13157114
14147313
15147313
16137413
17137413
18137512
19127612
20127612
21117712
22117712
23117712
24117712
25117712
26117712
27117712
28117712
29127612
30127612
31127612

Wind in August

Winds average 20 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 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 12 minutes over August. Sunrise moves from 5:43 AM to 5:32 AM, and sunset from 5:26 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:435:26
211.75:435:26
311.75:435:26
411.75:425:26
511.75:425:26
611.75:425:26
711.75:425:26
811.75:415:26
911.85:415:26
1011.85:415:26
1111.85:415:26
1211.85:405:26
1311.85:405:26
1411.85:405:26
1511.85:395:26
1611.85:395:26
1711.85:395:26
1811.85:385:26
1911.85:385:26
2011.85:375:26
2111.85:375:26
2211.85:375:26
2311.85:365:26
2411.85:365:25
2511.85:355:25
2611.85:355:25
2711.85:345:25
2811.95:345:25
2911.95:335:25
3011.95:335:25
3111.95:325:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.88 kWh/m².

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 7.09 kWh/m² in October across the year — August's 5.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.1Intense
256.1Intense
266.2Intense
276.2Intense
286.2Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in August

Is August a good time to visit Caicó?

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

4.3
Sightseeing
3rd-best month of the year
7.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Caicó for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Caicó in August

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

In August, Caicó sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Caicó 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 Caicó peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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 13UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in Caicó in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Caicó is worst in October — around 21 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (July, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 1421 µg/m³Jul 95 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb9Good
Mar8Good
Apr8Good
May7Good
Jun6Good
Jul5Good
Aug13Moderate
Sep20Moderate
Oct21Moderate
Nov19Moderate
Dec16Moderate
Location & terrain

Where is Caicó?

Caicó sits at 6.5°S, 37.1°W, 161 m above sea level, in Brazil. The nearest listed city is Jucurutu, 48 km away.

Topography around Caicó

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

Within 3 km, the terrain around Caicó has only modest variations in elevation — a maximum elevation change of 54 m around an average of 162 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, large variations in elevation — a maximum elevation change of 867 m.

The land around Caicó is covered by shrubs (36%), grassland (31%) and artificial surfaces (27%) within 3 km, shrubs (69%) and grassland (26%) within 16 km, and shrubs (77%) within 80 km.

3 km
54 m
16 km
499 m
80 km
867 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Jucurutu 48 km · Parelhas 55 km · Patos 66 km · Currais Novos 68 km · Catolé do Rocha 73 km · São Bento 75 km · Lagoa Nova 80 km · Picuí 83 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 Caicó (-6.4583°, -37.0978°, elevation 161 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).