Alto Alegre do Maranhão weather in January

In January, Alto Alegre do Maranhão sees average daytime highs of 32°C and overnight lows near 24°C, with 251 mm of rain across 25.1 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 Alto Alegre do Maranhão's 9th-clearest and 8th-windiest month. For the whole year in context, see Alto Alegre do Maranhão's year-round climate.

Daytime high
32°
8th warmest
Overnight low
24°
8th coldest
Rainfall
251 mm
25.1 wet days
Daylight
12 h 12 min
6:00 AM – 6:14 PM
Cloud cover
80%
9th clearest
Wind
5 km/h
8th windiest
Solar energy
4.76 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 Alto Alegre do Maranhão reaches about 32°C in the afternoon and slips back to 24°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)
13324
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153223
163223
173223
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Alto Alegre 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.

Alto Alegre 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° / 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 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 10% of January, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32278
42179
52080
61981
71981
81783
91783
101585
111585
121585
131387
141288
151288
161189
171288
181288
191288
201387
211486
221486
231486
241585
251585
261585
271585
281684
291684
301684
311783

Chance of precipitation in January

Any precipitation

Alto Alegre do Maranhão gets around 251 mm of rain over 25.1 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 81% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
171
272
373
474
575
676
777
878
979
1079
1180
1281
1382
1482
1583
1683
1784
1884
1984
2084
2184
2284
2384
2485
2585
2685
2785
2885
2985
3084
3184

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

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
137522
237522
337522
437522
537522
637522
737522
837522
937423
1027523
1127424
1227424
1327325
1427325
1527226
1627127
1717128
1817029
1917029
2016930
2116831
2216831
2306832
2406832
2506733
2606634
2706634
2806535
2906436
3006337
3106337

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 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
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 6:08 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:546:08
212.25:546:09
312.25:556:09
412.25:556:09
512.25:566:10
612.25:566:10
712.25:576:11
812.25:576:11
912.25:576:11
1012.25:586:12
1112.25:586:12
1212.25:596:12
1312.25:596:13
1412.26:006:13
1512.26:006:13
1612.26:006:14
1712.26:016:14
1812.26:016:14
1912.26:026:14
2012.26:026:15
2112.26:026:15
2212.26:036:15
2312.26:036:15
2412.26:036:16
2512.26:046:16
2612.26:046:16
2712.26:046:16
2812.26:056:16
2912.26:056:16
3012.26:056:17
3112.26:066:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.76 kWh/m².

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 — January's 4.76 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Alto Alegre do Maranhão

In seasonPeak

In January, 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 January a good time to visit Alto Alegre 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 Alto Alegre do Maranhão.

What to pack for Alto Alegre do Maranhão in January

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

In January, Alto Alegre do Maranhão sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Alto Alegre 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 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 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 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
January 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).