Araioses weather in January

In January, Araioses sees average daytime highs of 32°C and overnight lows near 25°C, with 136 mm of rain across 20.3 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 5th-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 13% 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 06 min by month's end. Set against the rest of the year, January is Araioses's 9th-clearest and 6th-windiest month. For the whole year in context, see Araioses's year-round climate.

Daytime high
32°
8th warmest
Overnight low
25°
9th coldest
Rainfall
136 mm
20.3 wet days
Daylight
12 h 12 min
5:52 AM – 6:01 PM
Cloud cover
71%
9th clearest
Wind
14 km/h
6th windiest
Solar energy
5.49 kWh/m²
Travel score
3.1
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 Araioses reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°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 about 1°C warmer than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How January really feels in Araioses

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.

Araioses weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 25°13620.312.13.1
Feb31° / 24°18023.312.12.9
Mar30° / 24°26728122.8
Apr30° / 24°27826.411.92.9
May31° / 25°16619.111.93.5
Jun32° / 24°398.311.84.3
Jul33° / 24°20311.84.3
Aug34° / 24°30.811.93.7
Sep35° / 25°10.2123.4
Oct35° / 25°60.912.13.4
Nov34° / 25°92.212.13.4
Dec34° / 25°387.912.23.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24258
34159
44060
53961
63763
73763
83565
93466
103268
113268
123169
133070
143070
152971
162872
172872
182773
192773
202773
212773
222773
232773
242872
252872
262872
272872
282872
292872
302872
312971

Chance of precipitation in January

Any precipitation

Araioses gets around 136 mm of rain over 20.3 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 65% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
150
251
353
454
556
657
758
859
961
1062
1163
1264
1365
1466
1567
1668
1768
1869
1969
2070
2170
2271
2371
2471
2572
2672
2772
2873
2973
3073
3174

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13916
23907
33907
42908
52908
62899
72899
828810
928711
1028711
1118712
1218712
1318613
1418613
1518514
1618514
1718415
1818415
1918316
2018217
2118217
2218118
2318118
2418019
2518019
2617920
2717920
2817821
2917722
3017623
3117524

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 12 min at the start of January to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:46 AM to 5:57 AM, and sunset from 5:56 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:465:56
212.25:465:56
312.25:475:57
412.25:475:57
512.25:485:57
612.25:485:58
712.25:495:58
812.25:495:59
912.25:495:59
1012.25:505:59
1112.25:506:00
1212.25:516:00
1312.25:516:00
1412.25:526:01
1512.25:526:01
1612.25:526:01
1712.15:536:02
1812.15:536:02
1912.15:546:02
2012.15:546:03
2112.15:546:03
2212.15:556:03
2312.15:556:03
2412.15:556:04
2512.15:566:04
2612.15:566:04
2712.15:566:04
2812.15:566:04
2912.15:576:04
3012.15:576:05
3112.15:576:05

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.49 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 6.91 kWh/m² in October across the year — January's 5.49 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in January

Hazard calendar for Araioses

In seasonPeak

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

Araioses's monsoon runs January–May, 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 Araioses?

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

3.1
Sightseeing
9th-best month of the year
4.9
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Araioses.

What to pack for Araioses in January

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

In January, Araioses sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Araioses in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in April at about 29°C and coldest in September near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Araioses 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 Araioses peaks around March 17 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Araioses 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 Araioses is worst in December — around 18 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (August, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1217 µg/m³Aug 216 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar13Moderate
Apr11Good
May8Good
Jun7Good
Jul9Good
Aug6Good
Sep7Good
Oct10Good
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Araioses?

Araioses sits at 2.9°S, 41.9°W, 7 m above sea level, in Brazil. The nearest listed city is Ilha Grande, 10 km away.

Topography around Araioses

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

Within 3 km, the terrain around Araioses has only modest variations in elevation — a maximum elevation change of 36 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, significant variations in elevation — a maximum elevation change of 533 m.

The land around Araioses is covered by grassland (46%) and trees (25%) within 3 km, grassland (33%) and trees (31%) within 16 km, and trees (39%) and water (33%) within 80 km.

3 km
36 m
16 km
64 m
80 km
533 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
January weather nearby: Ilha Grande 10 km · Parnaíba 14 km · Luís Correia 26 km · Buriti dos Lopes 32 km · Tutóia 44 km · Paulino Neves 73 km · Cocal 75 km · São Bernardo 78 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 Araioses (-2.89°, -41.9031°, elevation 7 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).