Anajás weather in August

In August, Anajás sees average daytime highs of 33°C and overnight lows near 23°C, with 63 mm of rain across 14.2 wet days and about 12 hours of daylight. It is the 4th-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 41% of the time in August, and the air most often feels oppressive.

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

Daytime high
33°
4th warmest
Overnight low
23°
4th coldest
Rainfall
63 mm
14.2 wet days
Daylight
12 hours
6:25 AM – 6:23 PM
Cloud cover
47%
1st clearest
Wind
8 km/h
5th windiest
Solar energy
5.59 kWh/m²
Travel score
3.3
out of 10

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 Anajás reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 34°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)
13323
23323
33323
43323
53323
63323
73323
83323
93323
103323
113323
123323
133323
143323
153323
163323
173323
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293323
303323
313323

How August really feels in Anajás

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
3 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.

Anajás weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°25827.912.12.6
Feb30° / 23°33927.1122.5
Mar30° / 23°40630.2122.5
Apr30° / 23°39029.4122.4
May31° / 23°30827.7122.6
Jun32° / 23°16222.111.93.0
Jul32° / 23°11118.111.93.4
Aug33° / 23°6314.2123.3
Sep34° / 23°4610.9123.2
Oct34° / 23°398.2123.2
Nov34° / 23°478.5123.1
Dec33° / 23°12519.412.12.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 37% of August, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47723
57822
67822
77822
87822
97822
107822
117822
127822
137822
147822
157822
167822
177822
187822
197921
208020
218020
228020
238020
247921
257921
268020
278020
288020
298020
307921
317921

Chance of precipitation in August

Any precipitation

Anajás gets around 63 mm of rain over 14.2 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 46% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
547
647
747
847
948
1048
1148
1248
1348
1448
1547
1647
1746
1846
1945
2045
2145
2244
2344
2444
2544
2643
2743
2843
2943
3042
3142

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17426
27426
37426
47426
57426
67426
77426
87426
97426
107426
117426
127426
137426
147426
157327
167327
177228
187228
197228
207228
217228
227228
237228
247327
257327
267327
277426
287426
297525
307525
317624

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
319calm

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 6:27 AM to 6:20 AM, and sunset from 6:25 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:276:25
212.06:276:24
312.06:276:24
412.06:276:24
512.06:276:24
612.06:276:24
712.06:266:24
812.06:266:24
912.06:266:24
1012.06:266:24
1112.06:266:24
1212.06:266:24
1312.06:256:23
1412.06:256:23
1512.06:256:23
1612.06:256:23
1712.06:256:23
1812.06:246:22
1912.06:246:22
2012.06:246:22
2112.06:246:22
2212.06:236:22
2312.06:236:21
2412.06:236:21
2512.06:226:21
2612.06:226:21
2712.06:226:20
2812.06:216:20
2912.06:216:20
3012.06:216:19
3112.06:206:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.59 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.11 kWh/m² in October across the year — August's 5.59 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in August

Hazard calendar for Anajás

In seasonPeak

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

Anajás's monsoon runs January–May, when most of the year's rain falls.

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

Is August a good time to visit Anajás?

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

3.3
Sightseeing
2nd-best month of the year
5.8
Beach & pool
4th-best month of the year

August is a weaker month for outdoor sightseeing in Anajás.

What to pack for Anajás in August

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

In August, Anajás sees daytime highs around 33°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Anajás 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 Anajás peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Anajás 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 Anajás is worst in February — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2020 µg/m³Jul 248 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar20Moderate
Apr16Moderate
May10Good
Jun9Good
Jul8Good
Aug8Good
Sep10Good
Oct12Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Anajás?

Anajás sits at 1.0°S, 49.9°W, 6 m above sea level, in Brazil. The nearest listed city is Chaves, 92 km away.

Topography around Anajás

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

Within 3 km, the terrain around Anajás has only modest variations in elevation — a maximum elevation change of 28 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 39 m; within 80 km, only modest variations in elevation — a maximum elevation change of 39 m.

The land around Anajás is covered by trees (90%) within 3 km, trees (99%) within 16 km, and trees (87%) within 80 km.

3 km
28 m
16 km
39 m
80 km
39 m
treesgrasslandartificial surfaceswaterwetland
August weather nearby: Chaves 92 km · São Sebastião da Boa Vista 93 km · Curralinho 93 km · Breves 98 km · Muaná 100 km · Afuá 105 km · Bagre 106 km · Cachoeira do Arari 109 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 Anajás (-0.9867°, -49.94°, elevation 6 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).