Coari weather in August

In August, Coari sees average daytime highs of 31°C and overnight lows near 25°C, with 96 mm of rain across 18.6 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 30% of the time in August, and the air most often feels miserable.

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 Coari's 1st-clearest and 5th-windiest month. For the whole year in context, see Coari's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
25°
8th coldest
Rainfall
96 mm
18.6 wet days
Daylight
11 h 54 min
6:21 AM – 6:13 PM
Cloud cover
56%
1st clearest
Wind
5 km/h
5th windiest
Solar energy
4.98 kWh/m²
Travel score
3.6
out of 10

Coari 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 31°C through the month.

A typical August day in Coari reaches about 31°C in the afternoon and slips back to 25°C overnight — a 7°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)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How August really feels in Coari

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
4 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.

Coari 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°2852812.22.8
Feb30° / 25°27525.212.12.8
Mar30° / 25°33428.7122.7
Apr30° / 25°33528.611.92.7
May30° / 24°29729.111.82.8
Jun30° / 24°16725.311.83.2
Jul30° / 24°10120.511.83.8
Aug31° / 25°9618.611.93.6
Sep32° / 25°12321.5123.0
Oct31° / 25°16324.712.12.8
Nov31° / 25°21125.712.22.7
Dec30° / 25°2562912.22.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of August, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26436
36436
46337
56139
66139
75941
85941
95842
105644
115644
125545
135545
145545
155545
165446
175446
185446
195446
205446
215446
225446
235446
245347
255347
265248
275149
285050
294951
304852
314852

Chance of precipitation in August

Any precipitation

Coari gets around 96 mm of rain over 18.6 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 60% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
252
352
453
553
654
755
856
957
1058
1159
1259
1360
1460
1561
1661
1762
1862
1962
2063
2163
2263
2363
2464
2564
2665
2766
2867
2968
3069
3170

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
122276
222276
322276
422276
522177
622177
722177
822078
912079
1012079
1111980
1211980
1311980
1411980
1511881
1611881
1711881
1811782
1911683
2011683
2111584
2211584
2311584
2411485
2511485
2611485
2711386
2801387
2901387
3001387
3101387

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:24 AM to 6:15 AM, and sunset from 6:13 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:246:13
211.86:246:13
311.86:246:13
411.86:246:13
511.86:236:13
611.86:236:13
711.86:236:13
811.86:236:13
911.86:236:13
1011.86:226:13
1111.86:226:13
1211.96:226:13
1311.96:226:13
1411.96:216:13
1511.96:216:13
1611.96:216:13
1711.96:206:13
1811.96:206:12
1911.96:206:12
2011.96:196:12
2111.96:196:12
2211.96:196:12
2311.96:186:12
2411.96:186:11
2511.96:186:11
2611.96:176:11
2711.96:176:11
2811.96:166:11
2911.96:166:11
3011.96:166:10
3111.96:156:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.98 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.28 kWh/m² in October across the year — August's 4.98 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Is August a good time to visit Coari?

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

3.6
Sightseeing
2nd-best month of the year
5.3
Beach & pool
1st-best month of the year

August is a weaker month for outdoor sightseeing in Coari.

What to pack for Coari in August

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

In August, Coari sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Coari 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 Coari peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 highExtremeExtremeMar 14UV 15Jul 13UV 10
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep10Very high
Oct11Extreme
Nov12Extreme
Dec12Extreme

Air quality in Coari 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 Coari is worst in September — around 25 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (June, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1224 µg/m³Jun 1111 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May11Good
Jun11Good
Jul12Moderate
Aug23Moderate
Sep25Moderate
Oct21Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Coari?

Coari sits at 4.1°S, 63.1°W, 42 m above sea level, in Brazil. The nearest listed city is Codajás, 123 km away.

UariniManicoré

Topography around Coari

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

Within 3 km, the terrain around Coari has only modest variations in elevation — a maximum elevation change of 43 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around Coari is covered by water (46%) and trees (33%) within 3 km, trees (64%) and water (30%) within 16 km, and trees (87%) within 80 km.

3 km
43 m
16 km
58 m
80 km
70 m
treesgrasslandartificial surfacesbare terrainwaterwetland
August weather nearby: Codajás 123 km · Anori 170 km · Tapauá 172 km · Tefé 192 km · Beruri 197 km · Alvarães 208 km · Uarini 250 km · Manicoré 280 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 Coari (-4.085°, -63.1414°, elevation 42 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).