Barreirinha weather in August

In August, Barreirinha sees average daytime highs of 31°C and overnight lows near 25°C, with 85 mm of rain across 15.6 wet days and about 11.9 hours of daylight. It is the 3rd-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 38% of the time in August, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Barreirinha's 1st-clearest and 3rd-windiest month. For the whole year in context, see Barreirinha's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
25°
9th coldest
Rainfall
85 mm
15.6 wet days
Daylight
11 h 54 min
5:55 AM – 5:50 PM
Cloud cover
52%
1st clearest
Wind
6 km/h
3rd windiest
Solar energy
5.25 kWh/m²
Travel score
3.8
out of 10

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 Barreirinha reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°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)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203126
213226
223226
233226
243226
253226
263226
273226
283226
293226
303226
313226

How August really feels in Barreirinha

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
17 feel dangerously hot (≥ 39°C)
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.

Barreirinha weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°3332812.12.9
Feb29° / 24°34325.812.13.0
Mar29° / 25°37328.9122.9
Apr29° / 25°36328.911.92.7
May30° / 25°28728.611.92.9
Jun30° / 25°15223.311.83.3
Jul31° / 25°11219.911.93.7
Aug31° / 25°8515.611.93.8
Sep32° / 26°9414.5123.6
Oct32° / 26°12315.912.13.4
Nov31° / 26°15618.912.13.2
Dec31° / 25°25124.812.23.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36238
46238
56238
66238
76040
86040
96040
105941
115941
125941
136040
145941
155941
165941
175941
185941
195941
206040
216040
226040
236040
245941
255941
265941
275842
285842
295743
305743
315644

Chance of precipitation in August

Any precipitation

Barreirinha gets around 85 mm of rain over 15.6 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 51% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
252
352
453
553
653
754
854
954
1054
1154
1254
1354
1454
1553
1653
1752
1851
1951
2050
2149
2249
2348
2448
2548
2648
2749
2849
2949
3050
3150

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11585
21585
31585
41486
51486
61486
71387
81387
91387
101387
111288
121288
131288
141288
151189
161189
171189
181189
191090
201090
211090
221090
23991
24991
25991
26892
27892
28892
29892
30892
31892

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 54 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 0 minutes over August. Sunrise moves from 5:58 AM to 5:50 AM, and sunset from 5:51 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:585:51
211.95:585:51
311.95:585:51
411.95:585:51
511.95:575:51
611.95:575:51
711.95:575:50
811.95:575:50
911.95:575:50
1011.95:575:50
1111.95:565:50
1211.95:565:50
1311.95:565:50
1411.95:565:50
1511.95:555:50
1611.95:555:50
1711.95:555:49
1811.95:555:49
1911.95:545:49
2011.95:545:49
2111.95:545:49
2211.95:535:49
2311.95:535:48
2411.95:535:48
2511.95:525:48
2611.95:525:48
2711.95:525:48
2811.95:515:47
2911.95:515:47
3011.95:505:47
3111.95:505:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.25 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 5.63 kWh/m² in September across the year — August's 5.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Barreirinha

In seasonPeak

None of Barreirinha's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Barreirinha's rainy season runs December–May, when most of the year's rain falls.

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

Is August a good time to visit Barreirinha?

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

3.8
Sightseeing
1st-best month of the year
5.8
Beach & pool
1st-best month of the year

August is a weaker month for outdoor sightseeing in Barreirinha.

What to pack for Barreirinha in August

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

In August, Barreirinha sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Barreirinha 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 Barreirinha peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeFeb 21UV 15Nov 15UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec12Extreme

Air quality in Barreirinha 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 Barreirinha is worst in November — around 29 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (June, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1029 µg/m³Jun 1610 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun10Good
Jul11Good
Aug16Moderate
Sep23Moderate
Oct28Moderate
Nov29Moderate
Dec19Moderate
Location & terrain

Where is Barreirinha?

Barreirinha sits at 2.8°S, 57.1°W, 13 m above sea level, in Brazil. The nearest listed city is Parintins, 41 km away.

Topography around Barreirinha

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

Within 3 km, the terrain around Barreirinha has only modest variations in elevation — a maximum elevation change of 27 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.

The land around Barreirinha is covered by trees (46%) and grassland (32%) within 3 km, trees (38%), water (28%) and grassland (22%) within 16 km, and trees (70%) within 80 km.

3 km
27 m
16 km
61 m
80 km
149 m
treesgrasslandartificial surfaceswaterwetland
August weather nearby: Parintins 41 km · Nhamundá 78 km · Urucará 82 km · Maués 97 km · Terra Santa 100 km · Urucurituba 126 km · Juruti 130 km · Itacoatiara 157 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 Barreirinha (-2.7933°, -57.07°, elevation 13 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).