Barcelos weather in August

In August, Barcelos sees average daytime highs of 31°C and overnight lows near 23°C, with 151 mm of rain across 23.4 wet days and about 12 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 14% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of August to 12 hours by month's end. Set against the rest of the year, August is Barcelos's 1st-clearest and 10th-windiest month. For the whole year in context, see Barcelos's year-round climate.

Daytime high
31°
4th warmest
Overnight low
23°
3rd coldest
Rainfall
151 mm
23.4 wet days
Daylight
12 hours
6:17 AM – 6:15 PM
Cloud cover
66%
1st clearest
Wind
4 km/h
10th windiest
Solar energy
4.78 kWh/m²
Travel score
3.1
out of 10

Barcelos is locality in Amazonas, 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 31°C through the month.

A typical August day in Barcelos reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How August really feels in Barcelos

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.

Barcelos weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°20622.312.13.2
Feb31° / 24°19219.6123.3
Mar30° / 24°27524.7123.1
Apr30° / 24°35027.4122.8
May29° / 24°39229.6122.8
Jun29° / 23°28427.811.92.9
Jul30° / 23°21326.711.93.1
Aug31° / 23°15123.4123.1
Sep32° / 24°15621.8123.0
Oct32° / 24°15622.5122.9
Nov31° / 24°17822.4122.9
Dec31° / 24°21125.812.12.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34060
44060
53961
63862
73862
83763
93664
103565
113565
123466
133466
143466
153466
163565
173565
183565
193763
203862
213862
223961
234060
243961
253961
263961
273961
283862
293763
303664
313565

Chance of precipitation in August

Any precipitation

Barcelos gets around 151 mm of rain over 23.4 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
176
276
376
476
576
676
776
876
977
1077
1177
1277
1377
1477
1577
1677
1777
1877
1977
2077
2176
2276
2376
2476
2575
2675
2775
2875
2976
3076
3176

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
114356
204258
304258
404159
504159
604060
704060
803961
903961
1003862
1103862
1203763
1313762
1413663
1513663
1613564
1713465
1813366
1913267
2013168
2113069
2213069
2312970
2412871
2512871
2612772
2702674
2802674
2902575
3002575
3102575

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

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

Days grow by about 0 minutes over August. Sunrise moves from 6:19 AM to 6:12 AM, and sunset from 6:16 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:196:16
212.06:196:16
312.06:196:16
412.06:196:16
512.06:196:16
612.06:196:16
712.06:186:16
812.06:186:16
912.06:186:16
1012.06:186:16
1112.06:186:16
1212.06:186:15
1312.06:176:15
1412.06:176:15
1512.06:176:15
1612.06:176:15
1712.06:176:15
1812.06:166:14
1912.06:166:14
2012.06:166:14
2112.06:156:14
2212.06:156:14
2312.06:156:13
2412.06:156:13
2512.06:146:13
2612.06:146:13
2712.06:146:12
2812.06:136:12
2912.06:136:12
3012.06:136:11
3112.06:126:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.78 kWh/m².

For context, solar energy here swings from a low near 3.48 kWh/m² to a high of 5.15 kWh/m² in October across the year — August's 4.78 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Barcelos?

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

3.1
Sightseeing
3rd-best month of the year
4.6
Beach & pool
4th-best month of the year

August is a weaker month for outdoor sightseeing in Barcelos.

What to pack for Barcelos in August

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

In August, Barcelos sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Barcelos in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Barcelos peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 12UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec12Extreme

Air quality in Barcelos 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 Barcelos is worst in March — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1518 µg/m³Jun 1910 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar19Moderate
Apr16Moderate
May11Good
Jun10Good
Jul10Good
Aug14Moderate
Sep13Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Barcelos?

Barcelos sits at 1.0°S, 62.9°W, 35 m above sea level, in Brazil. The nearest listed city is Novo Airão, 287 km away.

Novo AirãoMaraãAlvarãesUariniTeféCodajásAnoriPresidente Figueiredo

Topography around Barcelos

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

Within 3 km, the terrain around Barcelos has only modest variations in elevation — a maximum elevation change of 37 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 44 m; within 80 km, only modest variations in elevation — a maximum elevation change of 50 m.

The land around Barcelos is covered by trees (66%) and water (21%) within 3 km, trees (79%) within 16 km, and trees (90%) within 80 km.

3 km
37 m
16 km
44 m
80 km
50 m
treesgrasslandartificial surfaceswaterwetland
August weather nearby: Novo Airão 287 km · Maraã 310 km · Alvarães 325 km · Uarini 330 km · Tefé 333 km · Codajás 333 km · Anori 342 km · Presidente Figueiredo 343 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 Barcelos (-0.9736°, -62.9269°, elevation 35 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).