São Luís Gonzaga do Maranhão weather in January

In January, São Luís Gonzaga do Maranhão sees average daytime highs of 32°C and overnight lows near 23°C, with 239 mm of rain across 25.6 wet days and about 12.2 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 5% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is São Luís Gonzaga do Maranhão's 10th-clearest and 9th-windiest month. For the whole year in context, see São Luís Gonzaga do Maranhão's year-round climate.

Daytime high
32°
8th warmest
Overnight low
23°
8th coldest
Rainfall
239 mm
25.6 wet days
Daylight
12 h 12 min
6:01 AM – 6:15 PM
Cloud cover
81%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
4.72 kWh/m²
Travel score
2.6
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in São Luís Gonzaga do Maranhão reaches about 32°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 34°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53223
63223
73223
83223
93223
103223
113223
123223
133223
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in São Luís Gonzaga do Maranhão

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São Luís Gonzaga do Maranhão weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 4th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22278
32278
42080
51981
61882
71783
81684
91585
101585
111486
121288
131288
141288
151189
161189
171189
181189
191387
201387
211486
221486
231585
241585
251585
261585
271585
281684
291684
301684
311783

Chance of precipitation in January

Any precipitation

São Luís Gonzaga do Maranhão gets around 239 mm of rain over 25.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 83% and peaks near 86% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
173
274
375
476
577
678
779
880
981
1081
1182
1283
1384
1485
1585
1685
1786
1886
1986
2086
2186
2286
2386
2486
2586
2686
2786
2886
2985
3085
3185

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
127226
227226
327127
427127
527127
627127
727028
827028
927028
1026929
1126929
1226929
1326830
1426731
1526731
1616732
1716633
1816633
1916534
2016534
2116435
2216435
2316336
2406436
2506436
2606337
2706238
2806139
2906139
3006040
3105941

Wind in January

Winds average 5 km/h in January.

Across January, 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 January

DaylightNight

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

Days grow by about 0 minutes over January. Sunrise moves from 5:54 AM to 6:06 AM, and sunset from 6:09 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:546:09
212.25:556:10
312.25:556:10
412.25:566:11
512.25:566:11
612.25:576:11
712.25:576:12
812.25:586:12
912.25:586:13
1012.25:596:13
1112.25:596:13
1212.25:596:14
1312.26:006:14
1412.26:006:14
1512.26:016:15
1612.26:016:15
1712.26:026:15
1812.26:026:15
1912.26:026:16
2012.26:036:16
2112.26:036:16
2212.26:036:16
2312.26:046:17
2412.26:046:17
2512.26:046:17
2612.26:056:17
2712.26:056:17
2812.26:056:17
2912.26:066:18
3012.26:066:18
3112.26:066:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.72 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 — January's 4.72 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in January

Hazard calendar for São Luís Gonzaga do Maranhão

In seasonPeak

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

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

2.6
Sightseeing
10th-best month of the year
4.1
Beach & pool
9th-best month of the year

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

What to pack for São Luís Gonzaga do Maranhão in January

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

In January, São Luís Gonzaga do Maranhão sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in São Luís Gonzaga do Maranhão in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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.

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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).