Alto Alegre do Maranhão weather in April

In April, Alto Alegre do Maranhão sees average daytime highs of 31°C and overnight lows near 23°C, with 277 mm of rain across 26.6 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 4% 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 Alto Alegre do Maranhão's 10th-clearest and 11th-windiest month. For the whole year in context, see Alto Alegre do Maranhão's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
6th coldest
Rainfall
277 mm
26.6 wet days
Daylight
11 h 54 min
6:01 AM – 5:55 PM
Cloud cover
80%
10th clearest
Wind
5 km/h
11th windiest
Solar energy
4.37 kWh/m²
Travel score
2.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical April day in Alto Alegre do Maranhão reaches about 31°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 29°C and 33°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123

How April really feels in Alto Alegre do Maranhão

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.

Alto Alegre do Maranhão weather by month

How April compares with the rest of the year at a glance. April is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°25125.112.22.6
Feb31° / 23°26324.812.12.6
Mar31° / 23°32829122.5
Apr31° / 23°27726.611.92.7
May31° / 23°13218.211.83.5
Jun32° / 23°346.611.84.5
Jul33° / 23°142.711.84.4
Aug34° / 23°5111.93.7
Sep35° / 24°71.3123.0
Oct36° / 25°14312.12.7
Nov35° / 25°457.112.22.7
Dec34° / 24°12614.612.22.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31288
41288
51288
61486
71486
81585
91585
101585
111684
121684
131684
141684
151684
161882
171882
181882
191882
202080
212080
222080
232080
242080
252080
262179
272278
282278
292278
302377

Chance of precipitation in April

Any precipitation

Alto Alegre do Maranhão gets around 277 mm of rain over 26.6 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 88% and peaks near 95% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
295
394
494
594
693
793
893
992
1092
1192
1291
1391
1490
1590
1689
1789
1888
1987
2087
2186
2285
2384
2484
2583
2682
2781
2879
2978
3077

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
13664
23664
33565
43466
53466
63466
73367
83367
93268
103268
113268
123169
133070
143070
152971
162872
172872
182773
192773
202674
212674
222575
232575
242575
252476
262476
272476
282476
292476
302476

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:03 AM to 5:59 AM, and sunset from 6:01 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:036:01
212.06:036:01
312.06:036:01
412.06:036:00
511.96:036:00
611.96:025:59
711.96:025:59
811.96:025:58
911.96:025:58
1011.96:025:58
1111.96:025:57
1211.96:015:57
1311.96:015:56
1411.96:015:56
1511.96:015:56
1611.96:015:55
1711.96:015:55
1811.96:005:55
1911.96:005:54
2011.96:005:54
2111.96:005:53
2211.96:005:53
2311.96:005:53
2411.96:005:53
2511.96:005:52
2611.96:005:52
2711.96:005:52
2811.96:005:51
2911.95:595:51
3011.95:595:51

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.37 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 6.33 kWh/m² in October across the year — April's 4.37 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in April

Hazard calendar for Alto Alegre do Maranhão

In seasonPeak

In April, Alto Alegre do Maranhão sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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

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

Is April a good time to visit Alto Alegre do Maranhão?

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

2.7
Sightseeing
6th-best month of the year
3.9
Beach & pool
10th-best month of the year

April is a weaker month for outdoor sightseeing in Alto Alegre do Maranhão.

What to pack for Alto Alegre do Maranhão in April

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

In April, Alto Alegre do Maranhão sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Alto Alegre do Maranhão in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 do Maranhão peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Alto Alegre do Maranhão 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 Alto Alegre do Maranhão is worst in October — around 35 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 2134 µg/m³Jun 159 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May10Good
Jun9Good
Jul11Good
Aug13Moderate
Sep19Moderate
Oct35Moderate
Nov30Moderate
Dec23Moderate
Location & terrain

Where is Alto Alegre do Maranhão?

Alto Alegre do Maranhão sits at 4.2°S, 44.4°W, 58 m above sea level, in Brazil. The nearest listed city is São Mateus do Maranhão, 19 km away.

Topography around Alto Alegre do Maranhão

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

Within 3 km, the terrain around Alto Alegre do Maranhão has only modest variations in elevation — a maximum elevation change of 31 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, only modest variations in elevation — a maximum elevation change of 227 m.

The land around Alto Alegre do Maranhão is covered by trees (32%), grassland (32%) and shrubs (24%) within 3 km, grassland (43%) and trees (42%) within 16 km, and trees (48%) and grassland (46%) within 80 km.

3 km
31 m
16 km
100 m
80 km
227 m
treesshrubsgrasslandartificial surfaceswaterwetland
April weather nearby: São Mateus do Maranhão 19 km · Peritoró 23 km · São Luís Gonzaga do Maranhão 31 km · Coroatá 37 km · Bacabal 37 km · Pedreiras 43 km · Trizidela do Vale 44 km · Timbiras 56 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 do Maranhão (-4.2128°, -44.4464°, elevation 58 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).