Araguaína weather in January

In January, Araguaína sees average daytime highs of 30°C and overnight lows near 22°C, with 287 mm of rain across 28.5 wet days and about 12.4 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Araguaína's 10th-clearest and 9th-windiest month. For the whole year in context, see Araguaína's year-round climate.

Daytime high
30°
12th warmest
Overnight low
22°
5th coldest
Rainfall
287 mm
28.5 wet days
Daylight
12 h 24 min
6:11 AM – 6:33 PM
Cloud cover
84%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
4.65 kWh/m²
Travel score
2.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Araguaína reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How January really feels in Araguaína

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.

Araguaína weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°28728.512.42.8
Feb30° / 22°28526.112.22.7
Mar30° / 22°28628.2122.7
Apr31° / 22°19822.511.83.1
May32° / 22°861211.73.9
Jun33° / 22°81.411.64.4
Jul34° / 21°30.611.64.1
Aug35° / 22°30.811.83.3
Sep35° / 23°253.9123.1
Oct33° / 23°9413.512.23.4
Nov31° / 23°18720.812.33.2
Dec30° / 22°22925.212.43.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31387
41387
51387
61288
71288
81288
91288
101288
111189
121090
131090
141090
151090
161090
171090
181090
191090
201090
211090
221090
231189
241189
251189
261189
271189
281189
291189
301189
311189

Chance of precipitation in January

Any precipitation

Araguaína gets around 287 mm of rain over 28.5 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
290
390
490
590
691
791
891
991
1091
1191
1291
1391
1491
1591
1691
1791
1892
1992
2092
2192
2293
2393
2493
2594
2694
2794
2894
2994
3094
3194

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11000
21000
31000
41000
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25982
26982
27982
28982
29982
30982
31982

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 24 min at the start of January to 12 h 18 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 6:04 AM to 6:17 AM, and sunset from 6:28 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:046:28
212.46:046:29
312.46:056:29
412.46:056:30
512.46:066:30
612.46:066:30
712.46:076:31
812.46:076:31
912.46:086:31
1012.46:086:32
1112.46:096:32
1212.46:096:32
1312.46:096:33
1412.46:106:33
1512.46:106:33
1612.46:116:33
1712.46:116:34
1812.46:126:34
1912.46:126:34
2012.46:136:34
2112.46:136:34
2212.46:136:35
2312.46:146:35
2412.36:146:35
2512.36:156:35
2612.36:156:35
2712.36:156:35
2812.36:166:35
2912.36:166:36
3012.36:166:36
3112.36:176:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 6.2 kWh/m² in September across the year — January's 4.65 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in January

Hazard calendar for Araguaína

In seasonPeak

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

Araguaína's monsoon runs November–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 Araguaína?

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

2.8
Sightseeing
10th-best month of the year
3.8
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Araguaína.

What to pack for Araguaína in January

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

In January, Araguaína sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Araguaína 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 Araguaína peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 12UV 15Jul 11UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Araguaína 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 Araguaína is worst in September — around 33 µg/m³ PM2.5 (moderate), about 5.0× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 2032 µg/m³Jun 237 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar12Good
Apr12Good
May9Good
Jun7Good
Jul7Good
Aug17Moderate
Sep33Moderate
Oct27Moderate
Nov20Moderate
Dec16Moderate
Location & terrain

Where is Araguaína?

Araguaína sits at 7.2°S, 48.2°W, 237 m above sea level, in Brazil. The nearest listed city is Carolina, 84 km away.

Topography around Araguaína

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

Within 3 km, the terrain around Araguaína has only modest variations in elevation — a maximum elevation change of 85 m around an average of 236 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, significant variations in elevation — a maximum elevation change of 488 m.

The land around Araguaína is covered by artificial surfaces (67%) within 3 km, grassland (57%) and trees (35%) within 16 km, and grassland (57%) and trees (38%) within 80 km.

3 km
85 m
16 km
140 m
80 km
488 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Carolina 84 km · São Geraldo do Araguaia 96 km · Colinas do Tocantins 101 km · Estreito 110 km · Tocantinópolis 130 km · Porto Franco 130 km · Conceição do Araguaia 167 km · Floresta do Araguaia 171 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 Araguaína (-7.1911°, -48.2072°, elevation 237 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).