São Luís Gonzaga do Maranhão weather in April

In April, São Luís Gonzaga do Maranhão sees average daytime highs of 31°C and overnight lows near 23°C, with 243 mm of rain across 26.4 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 3rd-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 São Luís Gonzaga do Maranhão's 9th-clearest and 11th-windiest month. For the whole year in context, see São Luís Gonzaga do Maranhão's year-round climate.

Daytime high: 31°; 11th warmest
Overnight low: 23°; 7th coldest
Rainfall: 243 mm; 26.4 wet days
Daylight: 11 h 54 min; 6:02 AM – 5:56 PM
Cloud cover: 80%; 9th clearest
Wind: 5 km/h; 11th windiest
Solar energy: 4.36 kWh/m²
Travel score: 2.7; out of 10

← March São Luís Gonzaga do Maranhão 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 31°C through the month.

A typical April day in São Luís Gonzaga 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.

	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)	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

	Avg high (°C)	Avg low (°C)
1	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23

How April really feels in São Luís Gonzaga 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

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.

São Luís Gonzaga do Maranhão weather by month

How April compares with the rest of the year at a glance. April is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	32° / 23°	239	25.6	12.2	2.6
Feb	31° / 23°	259	25.1	12.1	2.6
Mar	31° / 23°	305	29	12	2.5
Apr	31° / 23°	243	26.4	11.9	2.7
May	31° / 23°	118	17.4	11.8	3.6
Jun	32° / 23°	27	5.8	11.8	4.6
Jul	33° / 22°	12	2.4	11.8	4.5
Aug	34° / 23°	5	1	11.9	3.8
Sep	35° / 24°	8	1.4	12	3.1
Oct	35° / 25°	18	3.7	12.1	2.8
Nov	35° / 25°	55	8.7	12.2	2.8
Dec	33° / 24°	130	16.3	12.2	2.7

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 14% of April, with mostly cloudy or overcast conditions the remaining 82%.

	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 (%)	12	12	12	13	13	14	14	15	15	15	16	17	18	18	18	19	19	19	20	20	20	20	21	21	21	21	21	21	22	23
Cloudier (%)	88	88	88	87	87	86	86	85	85	85	84	83	82	82	82	81	81	81	80	80	80	80	79	79	79	79	79	79	78	77

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

Chance of precipitation in April

Any precipitation

São Luís Gonzaga do Maranhão gets around 243 mm of rain over 26.4 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 93% 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 (%)	93	93	93	93	93	92	92	92	92	91	91	91	90	90	89	89	88	88	87	86	86	85	84	84	83	82	81	80	79	77

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	92
7	92
8	92
9	92
10	91
11	91
12	91
13	90
14	90
15	89
16	89
17	88
18	88
19	87
20	86
21	86
22	85
23	84
24	84
25	83
26	82
27	81
28	80
29	79
30	77

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 75% 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 (%)	31	30	29	28	28	27	27	27	27	26	26	26	26	25	25	25	24	24	24	24	23	23	23	23	22	22	22	22	22	22
Miserable (%)	69	70	71	72	72	73	73	73	73	74	74	74	74	75	75	75	76	76	76	76	77	77	77	77	78	78	78	78	78	78

	Oppressive (%)	Miserable (%)
1	31	69
2	30	70
3	29	71
4	28	72
5	28	72
6	27	73
7	27	73
8	27	73
9	27	73
10	26	74
11	26	74
12	26	74
13	26	74
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	24	76
20	24	76
21	23	77
22	23	77
23	23	77
24	23	77
25	22	78
26	22	78
27	22	78
28	22	78
29	22	78
30	22	78

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.

	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)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
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	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm

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 6:04 AM to 6:00 AM, and sunset from 6:02 PM to 5:52 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	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	11.9	11.9	11.9	11.9
Sunrise (AM)	6:04	6:04	6:04	6:04	6:04	6:03	6:03	6:03	6:03	6:03	6:03	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:01	6:01	6:01	6:01	6:01	6:01	6:01	6:01	6:01	6:01	6:01	6:00
Sunset (PM)	6:02	6:02	6:01	6:01	6:01	6:00	6:00	5:59	5:59	5:58	5:58	5:58	5:57	5:57	5:56	5:56	5:56	5:55	5:55	5:55	5:54	5:54	5:54	5:53	5:53	5:53	5:52	5:52	5:52	5:52

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.0	6:04	6:02
2	12.0	6:04	6:02
3	12.0	6:04	6:01
4	12.0	6:04	6:01
5	11.9	6:04	6:01
6	11.9	6:03	6:00
7	11.9	6:03	6:00
8	11.9	6:03	5:59
9	11.9	6:03	5:59
10	11.9	6:03	5:58
11	11.9	6:03	5:58
12	11.9	6:02	5:58
13	11.9	6:02	5:57
14	11.9	6:02	5:57
15	11.9	6:02	5:56
16	11.9	6:02	5:56
17	11.9	6:02	5:56
18	11.9	6:02	5:55
19	11.9	6:01	5:55
20	11.9	6:01	5:55
21	11.9	6:01	5:54
22	11.9	6:01	5:54
23	11.9	6:01	5:54
24	11.9	6:01	5:53
25	11.9	6:01	5:53
26	11.9	6:01	5:53
27	11.9	6:01	5:52
28	11.9	6:01	5:52
29	11.9	6:01	5:52
30	11.9	6:00	5:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.36 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.27 kWh/m² in September across the year — April's 4.36 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)	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.4
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	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.3	Bright
5	4.3	Bright
6	4.3	Bright
7	4.3	Bright
8	4.3	Bright
9	4.3	Bright
10	4.3	Bright
11	4.3	Bright
12	4.3	Bright
13	4.3	Bright
14	4.3	Bright
15	4.3	Bright
16	4.3	Bright
17	4.3	Bright
18	4.3	Bright
19	4.3	Bright
20	4.3	Bright
21	4.3	Bright
22	4.3	Bright
23	4.3	Bright
24	4.3	Bright
25	4.3	Bright
26	4.3	Bright
27	4.4	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright

Planning a trip in April

Hazard calendar for São Luís Gonzaga do Maranhão

In seasonPeak

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

São Luís Gonzaga 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 São Luís Gonzaga 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

8th-best month of the year

4.0

Beach & pool

10th-best month of the year

April is a weaker month for outdoor sightseeing in São Luís Gonzaga do Maranhão.

What to pack for São Luís Gonzaga do Maranhão in April

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

In April, São Luís Gonzaga do Maranhão sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in São Luís Gonzaga do Maranhão 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 São Luís Gonzaga do Maranhão peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).

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	14	15	13	11	10	10	10	12	12	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme

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

Air quality in São Luís Gonzaga 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 São Luís Gonzaga do Maranhão is worst in November — around 27 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (June, 9 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)	15	15	14	13	11	9	10	10	13	22	27	20
Level	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	15	Moderate
Mar	14	Moderate
Apr	13	Moderate
May	11	Good
Jun	9	Good
Jul	10	Good
Aug	10	Good
Sep	13	Moderate
Oct	22	Moderate
Nov	27	Moderate
Dec	20	Moderate

Location & terrain

Where is São Luís Gonzaga do Maranhão?

São Luís Gonzaga do Maranhão sits at 4.4°S, 44.7°W, 38 m above sea level, in Brazil. The nearest listed city is Bacabal, 20 km away.

Topography around São Luís Gonzaga do Maranhão

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

Within 3 km, the terrain around São Luís Gonzaga do Maranhão has only modest variations in elevation — a maximum elevation change of 54 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 134 m; within 80 km, significant variations in elevation — a maximum elevation change of 275 m.

The land around São Luís Gonzaga do Maranhão is covered by grassland (64%) and trees (27%) within 3 km, grassland (60%) and trees (37%) within 16 km, and grassland (53%) and trees (42%) within 80 km.

3 km

54 m

grassland 64%

16 km

134 m

grassland 60%

80 km

275 m

grassland 53%

treesshrubsgrasslandartificial surfaceswaterwetland

← March São Luís Gonzaga do Maranhão year-round climate May →Best places to visit in April

April weather nearby: Bacabal 20 km · Trizidela do Vale 22 km · Pedreiras 23 km · Alto Alegre do Maranhão 31 km · Peritoró 37 km · São Mateus do Maranhão 43 km · Poção de Pedras 51 km · Lago da Pedra 55 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 São Luís Gonzaga do Maranhão (-4.3788°, -44.6711°, elevation 38 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	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23

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

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	92
7	92
8	92
9	92
10	91
11	91
12	91
13	90
14	90
15	89
16	89
17	88
18	88
19	87
20	86
21	86
22	85
23	84
24	84
25	83
26	82
27	81
28	80
29	79
30	77

	Oppressive (%)	Miserable (%)
1	31	69
2	30	70
3	29	71
4	28	72
5	28	72
6	27	73
7	27	73
8	27	73
9	27	73
10	26	74
11	26	74
12	26	74
13	26	74
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	24	76
20	24	76
21	23	77
22	23	77
23	23	77
24	23	77
25	22	78
26	22	78
27	22	78
28	22	78
29	22	78
30	22	78

	Avg high (°C)	Avg low (°C)
1	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23

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

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	92
7	92
8	92
9	92
10	91
11	91
12	91
13	90
14	90
15	89
16	89
17	88
18	88
19	87
20	86
21	86
22	85
23	84
24	84
25	83
26	82
27	81
28	80
29	79
30	77

	Oppressive (%)	Miserable (%)
1	31	69
2	30	70
3	29	71
4	28	72
5	28	72
6	27	73
7	27	73
8	27	73
9	27	73
10	26	74
11	26	74
12	26	74
13	26	74
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	24	76
20	24	76
21	23	77
22	23	77
23	23	77
24	23	77
25	22	78
26	22	78
27	22	78
28	22	78
29	22	78
30	22	78

	Avg high (°C)	Avg low (°C)
1	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23

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

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	92
7	92
8	92
9	92
10	91
11	91
12	91
13	90
14	90
15	89
16	89
17	88
18	88
19	87
20	86
21	86
22	85
23	84
24	84
25	83
26	82
27	81
28	80
29	79
30	77

	Oppressive (%)	Miserable (%)
1	31	69
2	30	70
3	29	71
4	28	72
5	28	72
6	27	73
7	27	73
8	27	73
9	27	73
10	26	74
11	26	74
12	26	74
13	26	74
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	24	76
20	24	76
21	23	77
22	23	77
23	23	77
24	23	77
25	22	78
26	22	78
27	22	78
28	22	78
29	22	78
30	22	78