Atalaia do Norte weather in August

In August, Atalaia do Norte sees average daytime highs of 30°C and overnight lows near 23°C, with 135 mm of rain across 22.4 wet days and about 11.9 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 17% of the time in August, and the air most often feels oppressive.

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 Atalaia do Norte's 1st-clearest and 7th-windiest month. For the whole year in context, see Atalaia do Norte's year-round climate.

Daytime high
30°
4th warmest
Overnight low
23°
2nd coldest
Rainfall
135 mm
22.4 wet days
Daylight
11 h 54 min
5:49 AM – 5:41 PM
Cloud cover
63%
1st clearest
Wind
4 km/h
7th windiest
Solar energy
4.7 kWh/m²
Travel score
3.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Atalaia do Norte reaches about 30°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 28°C and 32°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)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263123
273123
283123
293123
303123
313123

How August really feels in Atalaia do Norte

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.

Atalaia do Norte 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
Jan30° / 24°31228.812.22.7
Feb30° / 24°30126.312.12.7
Mar30° / 24°34429.3122.7
Apr30° / 23°29127.711.92.8
May29° / 23°25627.211.83.1
Jun29° / 23°18524.611.83.4
Jul29° / 22°14623.111.83.7
Aug30° / 23°13522.411.93.5
Sep31° / 23°16324.1123.0
Oct31° / 23°21026.512.12.8
Nov31° / 24°2302712.22.6
Dec30° / 24°29229.212.22.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of August, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54753
64753
74654
84555
94555
104357
114357
124258
134159
144159
153961
163961
173961
183961
193862
203961
213961
223961
233961
243862
253862
263862
273763
283763
293763
303763
313763

Chance of precipitation in August

Any precipitation

Atalaia do Norte gets around 135 mm of rain over 22.4 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 72% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
169
269
368
468
568
669
769
869
970
1070
1171
1271
1371
1472
1572
1673
1773
1874
1974
2075
2175
2275
2375
2475
2576
2676
2776
2876
2976
3076
3176

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1146827
2146728
3146728
4146629
5146629
6146629
7146530
8146530
9146530
10146431
11146431
12146431
13046432
14046432
15046333
16046333
17046234
18036235
19036136
20036136
21036037
22035938
23035839
24035740
25035641
26035641
27035542
28035443
29035344
30035344
31035245

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 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 5:53 AM to 5:43 AM, and sunset from 5:41 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:535:41
211.85:525:41
311.85:525:41
411.85:525:41
511.85:525:41
611.85:525:41
711.85:525:41
811.85:515:41
911.85:515:41
1011.85:515:41
1111.85:515:41
1211.85:505:41
1311.85:505:41
1411.85:505:41
1511.95:495:41
1611.95:495:41
1711.95:495:40
1811.95:495:40
1911.95:485:40
2011.95:485:40
2111.95:475:40
2211.95:475:40
2311.95:475:40
2411.95:465:39
2511.95:465:39
2611.95:465:39
2711.95:455:39
2811.95:455:39
2911.95:445:39
3011.95:445:38
3111.95:435:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.7 kWh/m².

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 5.1 kWh/m² in September across the year — August's 4.7 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in August

Is August a good time to visit Atalaia do Norte?

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

3.5
Sightseeing
2nd-best month of the year
4.9
Beach & pool
2nd-best month of the year

August is a weaker month for outdoor sightseeing in Atalaia do Norte.

What to pack for Atalaia do Norte in August

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

In August, Atalaia do Norte sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Atalaia do Norte in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Atalaia do Norte peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 16 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 highExtremeFeb 18UV 15Aug 16UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug9Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Atalaia do Norte 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 Atalaia do Norte is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (June, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodSep 1017 µg/m³Jun 139 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar13Moderate
Apr11Good
May9Good
Jun8Good
Jul10Good
Aug16Moderate
Sep17Moderate
Oct11Good
Nov11Good
Dec11Good
Location & terrain

Where is Atalaia do Norte?

Atalaia do Norte sits at 4.4°S, 70.2°W, 84 m above sea level, in Brazil. The nearest listed city is Benjamin Constant, 18 km away.

EirunepéSanto Antônio do IçáTonantinsIpixuna

Topography around Atalaia do Norte

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

Within 3 km, the terrain around Atalaia do Norte has only modest variations in elevation — a maximum elevation change of 49 m around an average of 81 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 71 m; within 80 km, only modest variations in elevation — a maximum elevation change of 130 m.

The land around Atalaia do Norte is covered by trees (82%) within 3 km, trees (92%) within 16 km, and trees (96%) within 80 km.

3 km
49 m
16 km
71 m
80 km
130 m
treesgrasslandartificial surfaceswater
August weather nearby: Benjamin Constant 18 km · Tabatinga 32 km · Leticia 33 km · São Paulo de Olivença 183 km · Eirunepé 257 km · Santo Antônio do Içá 287 km · Tonantins 313 km · Ipixuna 342 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 Atalaia do Norte (-4.3665°, -70.1919°, elevation 84 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).