Atalaia do Norte weather in March

In March, Atalaia do Norte sees average daytime highs of 30°C and overnight lows near 24°C, with 344 mm of rain across 29.3 wet days and about 12 hours of daylight. It is the 6th-warmest and 1st-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 March, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Atalaia do Norte's 12th-clearest and 7th-windiest month. For the whole year in context, see Atalaia do Norte's year-round climate.

Daytime high
30°
6th warmest
Overnight low
24°
11th coldest
Rainfall
344 mm
29.3 wet days
Daylight
12 hours
5:50 AM – 5:51 PM
Cloud cover
89%
12th clearest
Wind
4 km/h
7th windiest
Solar energy
4.33 kWh/m²
Travel score
2.7
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March day in Atalaia do Norte reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How March really feels in Atalaia do Norte

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

Atalaia do Norte weather by month

How March compares with the rest of the year at a glance. March is the 6th-warmest and 1st-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in March, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 3% of March, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5397
6397
7397
8397
9397
10397
11397
12298
13298
14298
15298
16298
17397
18397
19397
20397
21397
22397
23397
24397
25397
26397
27496
28496
29496
30496
31496

Chance of precipitation in March

Any precipitation

Atalaia do Norte gets around 344 mm of rain over 29.3 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
396
496
595
695
795
895
995
1095
1195
1295
1394
1494
1594
1694
1794
1894
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2994
3094
3194

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the miserable band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14357
24258
34159
44060
54060
63961
73862
83763
93763
103763
113664
123664
133664
143565
153565
163565
173565
183565
193565
203466
213466
223466
233565
243565
253466
263466
273466
283466
293466
303466
313565

Wind in March

Winds average 4 km/h in March.

Across March, 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 March

DaylightNight

Daylight runs from about 12 h 06 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over March. Sunrise moves from 5:51 AM to 5:47 AM, and sunset from 5:57 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:515:57
212.15:515:56
312.15:515:56
412.15:515:56
512.15:515:55
612.15:515:55
712.15:515:55
812.15:515:54
912.15:515:54
1012.15:505:54
1112.15:505:53
1212.05:505:53
1312.05:505:53
1412.05:505:52
1512.05:505:52
1612.05:505:51
1712.05:495:51
1812.05:495:50
1912.05:495:50
2012.05:495:50
2112.05:495:49
2212.05:485:49
2312.05:485:48
2412.05:485:48
2512.05:485:47
2612.05:485:47
2712.05:475:47
2812.05:475:46
2912.05:475:46
3012.05:475:45
3112.05:475:45

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.33 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 — March's 4.33 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in March

Is March a good time to visit Atalaia do Norte?

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

2.7
Sightseeing
8th-best month of the year
3.7
Beach & pool
12th-best month of the year

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

What to pack for Atalaia do Norte in March

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

In March, Atalaia do Norte sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Atalaia do Norte in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (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 March

GoodModeratePoorUnhealthyVery unhealthy

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