Atalaia do Norte weather in April

In April, Atalaia do Norte sees average daytime highs of 30°C and overnight lows near 23°C, with 291 mm of rain across 27.7 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 5th-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 0% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of April to 11 h 54 min by month's end. Set against the rest of the year, April is Atalaia do Norte's 10th-clearest and 4th-windiest month. For the whole year in context, see Atalaia do Norte's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
7th coldest
Rainfall
291 mm
27.7 wet days
Daylight
11 h 54 min
5:44 AM – 5:38 PM
Cloud cover
88%
10th clearest
Wind
4 km/h
4th windiest
Solar energy
4.13 kWh/m²
Travel score
2.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

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

A typical April day in Atalaia do Norte reaches about 30°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How April really feels in Atalaia do Norte

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Atalaia do Norte weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 5th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 4% of April, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1496
2397
3397
4397
5397
6397
7397
8397
9397
10397
11397
12397
13397
14397
15397
16496
17496
18496
19595
20694
21694
22694
23694
24793
25793
26793
27793
28793
29793
30892

Chance of precipitation in April

Any precipitation

Atalaia do Norte gets around 291 mm of rain over 27.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
493
593
693
793
893
993
1093
1193
1293
1393
1493
1593
1693
1793
1893
1993
2093
2192
2292
2392
2491
2591
2690
2790
2890
2989
3089

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
103565
203565
303664
403664
503664
603763
703763
803763
903763
1003763
1103862
1203862
1303763
1403763
1503763
1603763
1703763
1803763
1903763
2013762
2113762
2213762
2313762
2413762
2513861
2613861
2713960
2813960
2914059
3014059

Wind in April

Winds average 4 km/h in April.

Across April, 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.

0246810151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over April. Sunrise moves from 5:46 AM to 5:43 AM, and sunset from 5:44 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:465:44
212.05:465:44
312.05:465:43
412.05:465:43
511.95:465:43
611.95:465:42
711.95:455:42
811.95:455:41
911.95:455:41
1011.95:455:40
1111.95:455:40
1211.95:445:40
1311.95:445:39
1411.95:445:39
1511.95:445:38
1611.95:445:38
1711.95:445:38
1811.95:445:37
1911.95:435:37
2011.95:435:37
2111.95:435:36
2211.95:435:36
2311.95:435:36
2411.95:435:35
2511.95:435:35
2611.95:435:35
2711.95:435:34
2811.95:435:34
2911.95:435:34
3011.95:435:34

Solar energy in April

Daily solar energy (kWh/m²)

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

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Moderate
304.0Moderate
Planning a trip in April

Is April a good time to visit Atalaia do Norte?

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

2.8
Sightseeing
6th-best month of the year
3.8
Beach & pool
8th-best month of the year

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

What to pack for Atalaia do Norte in April

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

In April, Atalaia do Norte sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Atalaia do Norte in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (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 April

GoodModeratePoorUnhealthyVery unhealthy

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