Alto Alegre weather in March

In March, Alto Alegre sees average daytime highs of 33°C and overnight lows near 24°C, with 84 mm of rain across 10 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-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 15% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Alto Alegre's 8th-clearest and 2nd-windiest month. For the whole year in context, see Alto Alegre's year-round climate.

Daytime high
33°
1st warmest
Overnight low
24°
12th coldest
Rainfall
84 mm
10 wet days
Daylight
12 hours
6:16 AM – 6:15 PM
Cloud cover
69%
8th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.73 kWh/m²
Travel score
3.4
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical March day in Alto Alegre reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, March runs on par with February and about 1°C warmer than April.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How March really feels in Alto Alegre

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.

Alto Alegre weather by month

How March compares with the rest of the year at a glance. March is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°588.611.94.0
Feb33° / 24°517.511.93.7
Mar33° / 24°8410123.4
Apr32° / 24°24019.112.13.1
May30° / 23°40627.512.13.0
Jun29° / 22°3722812.23.1
Jul29° / 22°30028.712.23.1
Aug30° / 23°20125.312.13.2
Sep32° / 23°11818.3123.4
Oct32° / 23°1041511.93.4
Nov32° / 23°12816.611.93.3
Dec32° / 24°9813.511.83.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 20% of March, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63466
73466
83466
93466
103466
113466
123565
133565
143565
153565
163565
173664
183664
193664
203664
213664
223565
233664
243565
253565
263466
273367
283367
293367
303268
313169

Chance of precipitation in March

Any precipitation

Alto Alegre gets around 84 mm of rain over 10 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
229
329
430
530
630
730
831
931
1031
1132
1232
1332
1433
1533
1633
1733
1833
1934
2034
2134
2234
2335
2435
2536
2637
2738
2839
2940
3041
3142

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101249381
201249381
301249381
401248381
501248381
611248391
711247391
811247391
911246401
1011246401
1111245411
1211245411
1311244421
1411244421
1511244431
1611143432
1701143442
1801143442
1901043452
2001043452
210943452
220943462
230942463
240842473
250841483
260840493
270739504
280737524
290736534
300735535
310734545

Wind in March

Winds average 8 km/h in March.

Across March, 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
317calm

Sunrise & sunset in March

DaylightNight

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

Days grow by about 6 minutes over March. Sunrise moves from 6:21 AM to 6:10 AM, and sunset from 6:17 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:216:17
211.96:216:17
311.96:206:17
411.96:206:17
512.06:206:17
612.06:206:17
712.06:196:17
812.06:196:17
912.06:196:16
1012.06:186:16
1112.06:186:16
1212.06:186:16
1312.06:176:16
1412.06:176:15
1512.06:176:15
1612.06:166:15
1712.06:166:15
1812.06:156:15
1912.06:156:14
2012.06:156:14
2112.06:146:14
2212.06:146:14
2312.06:146:13
2412.06:136:13
2512.06:136:13
2612.06:126:13
2712.06:126:13
2812.06:126:12
2912.06:116:12
3012.06:116:12
3112.06:106:12

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.73 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.73 kWh/m² in March across the year — March's 5.73 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in March

Hazard calendar for Alto Alegre

In seasonPeak

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

Alto Alegre's monsoon runs April–August, when most of the year's rain falls.

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

Is March a good time to visit Alto Alegre?

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

3.4
Sightseeing
4th-best month of the year
6.0
Beach & pool
3rd-best month of the year

March is a weaker month for outdoor sightseeing in Alto Alegre.

What to pack for Alto Alegre in March

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

In March, Alto Alegre sees daytime highs around 33°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Alto Alegre in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alto Alegre peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 14Nov 18UV 11
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Alto Alegre 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 Alto Alegre is worst in March — around 24 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2124 µg/m³Dec 1112 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb18Moderate
Mar24Moderate
Apr22Moderate
May16Moderate
Jun14Moderate
Jul13Moderate
Aug12Moderate
Sep12Moderate
Oct13Moderate
Nov12Moderate
Dec12Moderate
Location & terrain

Where is Alto Alegre?

Alto Alegre sits at 2.9°N, 61.5°W, 83 m above sea level, in Brazil. The nearest listed city is Mucajaí, 83 km away.

Rorainópolis

Topography around Alto Alegre

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

Within 3 km, the terrain around Alto Alegre has only modest variations in elevation — a maximum elevation change of 61 m around an average of 93 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,411 m.

The land around Alto Alegre is covered by trees (70%) and grassland (22%) within 3 km, trees (69%) and grassland (29%) within 16 km, and trees (68%) and grassland (30%) within 80 km.

3 km
61 m
16 km
147 m
80 km
1,411 m
treesshrubsgrasslandcroplandwaterwetland
March weather nearby: Mucajaí 83 km · Boa Vista 92 km · Cantá 105 km · Caracaraí 127 km · Pacaraima 175 km · Santa Elena de Uairén 195 km · Lethem 196 km · Rorainópolis 248 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 Alto Alegre (2.8958°, -61.4975°, elevation 83 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).