São Luís Gonzaga do Maranhão weather in March

In March, São Luís Gonzaga do Maranhão sees average daytime highs of 31°C and overnight lows near 23°C, with 305 mm of rain across 29 wet days and about 12 hours of daylight. It is the 11th-warmest and 1st-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 2% 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 São Luís Gonzaga do Maranhão's 12th-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°
5th coldest
Rainfall
305 mm
29 wet days
Daylight
12 hours
6:07 AM – 6:09 PM
Cloud cover
84%
12th clearest
Wind
5 km/h
11th windiest
Solar energy
4.44 kWh/m²
Travel score
2.5
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March 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, March runs on par with February and on par with April.

20°25°30°35°151015202531
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
313123

How March really feels in São Luís Gonzaga do Maranhão

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.

São Luís Gonzaga do Maranhão weather by month

How March compares with the rest of the year at a glance. March is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°23925.612.22.6
Feb31° / 23°25925.112.12.6
Mar31° / 23°30529122.5
Apr31° / 23°24326.411.92.7
May31° / 23°11817.411.83.6
Jun32° / 23°275.811.84.6
Jul33° / 22°122.411.84.5
Aug34° / 23°5111.93.8
Sep35° / 24°81.4123.1
Oct35° / 25°183.712.12.8
Nov35° / 25°558.712.22.8
Dec33° / 24°13016.312.22.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in March, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of March, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51486
61387
71387
81288
91288
101288
111288
121288
131288
141189
151189
161189
171189
181189
191090
201090
211090
221090
231090
241090
251090
261090
271090
281090
291189
301189
311189

Chance of precipitation in March

Any precipitation

São Luís Gonzaga do Maranhão gets around 305 mm of rain over 29 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 93% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
390
491
591
691
791
891
992
1092
1192
1293
1393
1493
1594
1694
1795
1895
1995
2095
2195
2295
2395
2495
2595
2695
2795
2895
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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14456
24456
34357
44258
54159
64159
74060
83961
93862
103862
113763
123763
133664
143664
153664
163664
173664
183664
193664
203763
213763
223763
233664
243664
253664
263565
273565
283466
293367
303268
313268

Wind in March

Winds average 5 km/h in March.

Across March, 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.

0246810151015202531
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
315calm

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 6:09 AM to 6:05 AM, and sunset from 6:15 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:096:15
212.16:096:14
312.16:096:14
412.16:096:14
512.16:096:13
612.16:096:13
712.16:096:13
812.16:096:12
912.16:086:12
1012.16:086:12
1112.16:086:11
1212.06:086:11
1312.06:086:10
1412.06:086:10
1512.06:086:10
1612.06:076:09
1712.06:076:09
1812.06:076:08
1912.06:076:08
2012.06:076:08
2112.06:076:07
2212.06:066:07
2312.06:066:06
2412.06:066:06
2512.06:066:05
2612.06:066:05
2712.06:056:04
2812.06:056:04
2912.06:056:04
3012.06:056:03
3112.06:056:03

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.44 kWh/m².

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 — March's 4.44 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in March

Hazard calendar for São Luís Gonzaga do Maranhão

In seasonPeak

In March, 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 March a good time to visit São Luís Gonzaga do Maranhão?

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

2.5
Sightseeing
12th-best month of the year
3.7
Beach & pool
12th-best month of the year

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

What to pack for São Luís Gonzaga do Maranhão in March

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

In March, São Luís Gonzaga do Maranhão sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in São Luís Gonzaga do Maranhão 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in São Luís Gonzaga do Maranhão 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 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1426 µg/m³Jun 189 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun9Good
Jul10Good
Aug10Good
Sep13Moderate
Oct22Moderate
Nov27Moderate
Dec20Moderate
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
16 km
134 m
80 km
275 m
treesshrubsgrasslandartificial surfaceswaterwetland
March 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
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 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).