Atalaia do Norte weather in July

In July, Atalaia do Norte sees average daytime highs of 29°C and overnight lows near 22°C, with 146 mm of rain across 23.1 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 13% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of July to 11 h 48 min by month's end. Set against the rest of the year, July is Atalaia do Norte's 2nd-clearest and 12th-windiest month. For the whole year in context, see Atalaia do Norte's year-round climate.

Daytime high
29°
11th warmest
Overnight low
22°
1st coldest
Rainfall
146 mm
23.1 wet days
Daylight
11 h 48 min
5:53 AM – 5:39 PM
Cloud cover
66%
2nd clearest
Wind
4 km/h
12th windiest
Solar energy
4.13 kWh/m²
Travel score
3.7
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical July day in Atalaia do Norte reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
243022
253022
263022
273022
283022
293022
303022
313022

How July really feels in Atalaia do Norte

Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Atalaia do Norte weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 11th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33169
43268
53268
63268
73268
83268
93268
103268
113268
123268
133367
143466
153565
163565
173565
183664
193763
203763
213961
223961
234159
244258
254258
264456
274555
284555
294753
304753
314753

Chance of precipitation in July

Any precipitation

Atalaia do Norte gets around 146 mm of rain over 23.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 75% and peaks near 80% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
180
279
379
478
578
678
777
877
977
1076
1176
1276
1376
1475
1575
1675
1775
1874
1974
2074
2173
2273
2373
2472
2571
2671
2770
2870
2970
3069
3169

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1147718
2147817
3157717
4157816
5157816
6157816
7157915
8167815
9167815
10267715
11267715
12267715
13267715
14267715
15267715
16267616
17267616
18267616
19267616
20267517
21267517
22157618
23157519
24157420
25157321
26157222
27157123
28157024
29156925
30156826
31146926

Wind in July

Winds average 4 km/h in July, the calmest month.

Across July, 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 July

DaylightNight

Daylight runs from about 11 h 48 min at the start of July to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over July. Sunrise moves from 5:52 AM to 5:53 AM, and sunset from 5:37 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:525:37
211.85:525:37
311.85:525:37
411.85:525:37
511.85:525:37
611.85:525:38
711.85:535:38
811.85:535:38
911.85:535:38
1011.85:535:38
1111.85:535:39
1211.85:535:39
1311.85:535:39
1411.85:535:39
1511.85:535:39
1611.85:535:39
1711.85:535:40
1811.85:535:40
1911.85:535:40
2011.85:535:40
2111.85:535:40
2211.85:535:40
2311.85:535:40
2411.85:535:41
2511.85:535:41
2611.85:535:41
2711.85:535:41
2811.85:535:41
2911.85:535:41
3011.85:535:41
3111.85:535:41

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.13 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 — July's 4.13 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in July

Is July a good time to visit Atalaia do Norte?

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

3.7
Sightseeing
1st-best month of the year
4.9
Beach & pool
1st-best month of the year

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

What to pack for Atalaia do Norte in July

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

In July, Atalaia do Norte sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 23 days see rain.

light clothesrain gear

UV index in Atalaia do Norte in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).