Açailândia weather in April

In April, Açailândia sees average daytime highs of 30°C and overnight lows near 22°C, with 210 mm of rain across 24.6 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 4th-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 4% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 11 h 48 min by month's end. Set against the rest of the year, April is Açailândia's 9th-clearest and 11th-windiest month. For the whole year in context, see Açailândia's year-round climate.

Daytime high: 30°; 9th warmest
Overnight low: 22°; 8th coldest
Rainfall: 210 mm; 24.6 wet days
Daylight: 11 h 54 min; 6:13 AM – 6:07 PM
Cloud cover: 81%; 9th clearest
Wind: 6 km/h; 11th windiest
Solar energy: 4.48 kWh/m²
Travel score: 3.1; out of 10

← March Açailândia year-round climate May →Best places to visit in April

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

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 Açailândia reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°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, April runs on par with March and on par with May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	30	22
24	30	22
25	30	22
26	30	22
27	30	22
28	30	22
29	30	22
30	30	22

How April really feels in Açailândia

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Açailândia weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	30° / 22°	255	27.4	12.3	2.9
Feb	30° / 22°	260	25.2	12.2	2.9
Mar	30° / 22°	300	28.8	12	2.8
Apr	30° / 22°	210	24.6	11.9	3.1
May	31° / 22°	102	15	11.8	4.0
Jun	32° / 21°	15	3.3	11.7	4.8
Jul	33° / 21°	9	1.7	11.7	4.5
Aug	34° / 22°	4	0.7	11.8	4.0
Sep	34° / 23°	14	2.9	12	3.7
Oct	33° / 23°	41	7.2	12.1	3.6
Nov	32° / 23°	101	14.5	12.2	3.5
Dec	31° / 22°	166	21.5	12.3	3.3

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 11% of April, with mostly cloudy or overcast conditions the remaining 85%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	9	9	10	10	10	10	12	12	12	12	13	14	14	15	15	16	17	18	18	18	18	18	18	18	19	19	19	19	19	19
Cloudier (%)	91	91	90	90	90	90	88	88	88	88	87	86	86	85	85	84	83	82	82	82	82	82	82	82	81	81	81	81	81	81

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	10	90
4	10	90
5	10	90
6	10	90
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	14	86
13	14	86
14	15	85
15	15	85
16	16	84
17	17	83
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

Chance of precipitation in April

Any precipitation

Açailândia gets around 210 mm of rain over 24.6 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 82% and peaks near 90% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	90	90	89	89	88	88	88	87	87	86	85	85	84	84	83	82	81	81	80	79	78	78	77	77	76	75	75	74	73	71

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	88
7	88
8	87
9	87
10	86
11	85
12	85
13	84
14	84
15	83
16	82
17	81
18	81
19	80
20	79
21	78
22	78
23	77
24	77
25	76
26	75
27	75
28	74
29	73
30	71

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Oppressive (%)	96	96	96	96	96	96	96	96	95	95	95	95	94	94	94	94	94	93	93	93	93	93	93	93	93	93	94	94	94	94
Miserable (%)	4	4	4	4	4	4	4	4	5	5	5	5	6	6	6	6	6	7	7	7	7	7	7	7	7	7	6	6	6	6

	Oppressive (%)	Miserable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	95	5
10	95	5
11	95	5
12	95	5
13	94	6
14	94	6
15	94	6
16	94	6
17	94	6
18	93	7
19	93	7
20	93	7
21	93	7
22	93	7
23	93	7
24	93	7
25	93	7
26	93	7
27	94	6
28	94	6
29	94	6
30	94	6

Wind in April

Winds average 6 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 6:16 AM to 6:12 AM, and sunset from 6:13 PM to 6:02 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.0	12.0	12.0	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.8	11.8	11.8	11.8	11.8
Sunrise (AM)	6:16	6:16	6:16	6:15	6:15	6:15	6:15	6:15	6:15	6:14	6:14	6:14	6:14	6:14	6:14	6:13	6:13	6:13	6:13	6:13	6:13	6:13	6:13	6:13	6:13	6:13	6:12	6:12	6:12	6:12
Sunset (PM)	6:13	6:13	6:13	6:12	6:12	6:11	6:11	6:10	6:10	6:09	6:09	6:09	6:08	6:08	6:07	6:07	6:07	6:06	6:06	6:05	6:05	6:05	6:04	6:04	6:04	6:03	6:03	6:03	6:03	6:02

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.0	6:16	6:13
2	12.0	6:16	6:13
3	12.0	6:16	6:13
4	11.9	6:15	6:12
5	11.9	6:15	6:12
6	11.9	6:15	6:11
7	11.9	6:15	6:11
8	11.9	6:15	6:10
9	11.9	6:15	6:10
10	11.9	6:14	6:09
11	11.9	6:14	6:09
12	11.9	6:14	6:09
13	11.9	6:14	6:08
14	11.9	6:14	6:08
15	11.9	6:14	6:07
16	11.9	6:13	6:07
17	11.9	6:13	6:07
18	11.9	6:13	6:06
19	11.9	6:13	6:06
20	11.9	6:13	6:05
21	11.9	6:13	6:05
22	11.9	6:13	6:05
23	11.9	6:13	6:04
24	11.9	6:13	6:04
25	11.9	6:13	6:04
26	11.8	6:13	6:03
27	11.8	6:12	6:03
28	11.8	6:12	6:03
29	11.8	6:12	6:03
30	11.8	6:12	6:02

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.48 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.28 kWh/m² in September across the year — April's 4.48 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.4	Bright
2	4.4	Bright
3	4.4	Bright
4	4.4	Bright
5	4.4	Bright
6	4.4	Bright
7	4.4	Bright
8	4.4	Bright
9	4.4	Bright
10	4.4	Bright
11	4.5	Bright
12	4.5	Bright
13	4.5	Bright
14	4.5	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.5	Bright
21	4.5	Bright
22	4.5	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.5	Bright
27	4.5	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright

Planning a trip in April

Hazard calendar for Açailândia

In seasonPeak

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

Açailândia's monsoon runs December–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 Açailândia?

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

3.1

Sightseeing

9th-best month of the year

4.3

Beach & pool

9th-best month of the year

April is a weaker month for outdoor sightseeing in Açailândia.

What to pack for Açailândia in April

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

In April, Açailândia sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Açailândia 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 Açailândia peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	15	14	11	10	10	11	12	12	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	10	Extreme
Jul	10	Extreme
Aug	11	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	10	Extreme

Air quality in Açailândia 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 Açailândia is worst in October — around 29 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 6 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	14	13	13	12	9	6	7	12	23	29	29	20
Level	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	14	Moderate
Feb	13	Moderate
Mar	13	Moderate
Apr	12	Moderate
May	9	Good
Jun	6	Good
Jul	7	Good
Aug	12	Moderate
Sep	23	Moderate
Oct	29	Moderate
Nov	29	Moderate
Dec	20	Moderate

Location & terrain

Where is Açailândia?

Açailândia sits at 4.9°S, 47.5°W, 243 m above sea level, in Brazil. The nearest listed city is Itinga do Maranhão, 55 km away.

Topography around Açailândia

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

Within 3 km, the terrain around Açailândia has only modest variations in elevation — a maximum elevation change of 148 m around an average of 239 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 258 m; within 80 km, significant variations in elevation — a maximum elevation change of 354 m.

The land around Açailândia is covered by grassland (54%) and artificial surfaces (27%) within 3 km, grassland (51%) and trees (43%) within 16 km, and grassland (55%) and trees (41%) within 80 km.

3 km

148 m

grassland 54%

16 km

258 m

grassland 51%

80 km

354 m

grassland 55%

treesgrasslandcroplandartificial surfaces

← March Açailândia year-round climate May →Best places to visit in April

April weather nearby: Itinga do Maranhão 55 km · João Lisboa 57 km · Imperatriz 64 km · Rondon do Pará 65 km · Dom Eliseu 74 km · Bom Jesus das Selvas 89 km · Governador Edison Lobão 90 km · Araguatins 103 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

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 Açailândia (-4.9467°, -47.5047°, elevation 243 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).

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	30	22
24	30	22
25	30	22
26	30	22
27	30	22
28	30	22
29	30	22
30	30	22

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	10	90
4	10	90
5	10	90
6	10	90
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	14	86
13	14	86
14	15	85
15	15	85
16	16	84
17	17	83
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	88
7	88
8	87
9	87
10	86
11	85
12	85
13	84
14	84
15	83
16	82
17	81
18	81
19	80
20	79
21	78
22	78
23	77
24	77
25	76
26	75
27	75
28	74
29	73
30	71

	Oppressive (%)	Miserable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	95	5
10	95	5
11	95	5
12	95	5
13	94	6
14	94	6
15	94	6
16	94	6
17	94	6
18	93	7
19	93	7
20	93	7
21	93	7
22	93	7
23	93	7
24	93	7
25	93	7
26	93	7
27	94	6
28	94	6
29	94	6
30	94	6

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	30	22
24	30	22
25	30	22
26	30	22
27	30	22
28	30	22
29	30	22
30	30	22

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	10	90
4	10	90
5	10	90
6	10	90
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	14	86
13	14	86
14	15	85
15	15	85
16	16	84
17	17	83
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	88
7	88
8	87
9	87
10	86
11	85
12	85
13	84
14	84
15	83
16	82
17	81
18	81
19	80
20	79
21	78
22	78
23	77
24	77
25	76
26	75
27	75
28	74
29	73
30	71

	Oppressive (%)	Miserable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	95	5
10	95	5
11	95	5
12	95	5
13	94	6
14	94	6
15	94	6
16	94	6
17	94	6
18	93	7
19	93	7
20	93	7
21	93	7
22	93	7
23	93	7
24	93	7
25	93	7
26	93	7
27	94	6
28	94	6
29	94	6
30	94	6

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	30	22
24	30	22
25	30	22
26	30	22
27	30	22
28	30	22
29	30	22
30	30	22

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	10	90
4	10	90
5	10	90
6	10	90
7	12	88
8	12	88
9	12	88
10	12	88
11	13	87
12	14	86
13	14	86
14	15	85
15	15	85
16	16	84
17	17	83
18	18	82
19	18	82
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	88
7	88
8	87
9	87
10	86
11	85
12	85
13	84
14	84
15	83
16	82
17	81
18	81
19	80
20	79
21	78
22	78
23	77
24	77
25	76
26	75
27	75
28	74
29	73
30	71

	Oppressive (%)	Miserable (%)
1	96	4
2	96	4
3	96	4
4	96	4
5	96	4
6	96	4
7	96	4
8	96	4
9	95	5
10	95	5
11	95	5
12	95	5
13	94	6
14	94	6
15	94	6
16	94	6
17	94	6
18	93	7
19	93	7
20	93	7
21	93	7
22	93	7
23	93	7
24	93	7
25	93	7
26	93	7
27	94	6
28	94	6
29	94	6
30	94	6