Araguaína weather in December

In December, Araguaína sees average daytime highs of 30°C and overnight lows near 22°C, with 229 mm of rain across 25.2 wet days and about 12.4 hours of daylight. It is the 9th-warmest and 4th-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 5% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Araguaína's 9th-clearest and 8th-windiest month. For the whole year in context, see Araguaína's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
9th coldest
Rainfall
229 mm
25.2 wet days
Daylight
12 h 24 min
5:57 AM – 6:21 PM
Cloud cover
81%
9th clearest
Wind
5 km/h
8th windiest
Solar energy
4.99 kWh/m²
Travel score
3.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December 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 28°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113023
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in Araguaína

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

Araguaína weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 4th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52179
62179
72080
81981
91981
101882
111882
121783
131783
141783
151684
161684
171684
181684
191684
201585
211585
221585
231585
241585
251585
261585
271585
281585
291585
301486
311486

Chance of precipitation in December

Any precipitation

Araguaína gets around 229 mm of rain over 25.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
173
273
373
474
574
675
776
877
978
1079
1180
1280
1381
1482
1583
1683
1784
1884
1985
2085
2185
2286
2386
2486
2586
2687
2787
2888
2988
3089
3189

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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
Muggy (%)Oppressive (%)Miserable (%)
12971
22971
31981
41981
51981
61981
71990
81990
91990
101990
1101000
1201000
1301000
1401000
1501000
1601000
1701000
1801000
1901000
2001000
2101000
2201000
2301000
2401000
2501000
2601000
2701000
2801000
2901000
3001000
3101000

Wind in December

Winds average 5 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 12 h 24 min at the start of December to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:51 AM to 6:04 AM, and sunset from 6:14 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:14
212.45:516:15
312.45:526:15
412.45:526:16
512.45:526:16
612.45:536:17
712.45:536:17
812.45:536:18
912.45:546:18
1012.45:546:19
1112.45:546:19
1212.45:556:20
1312.45:556:20
1412.45:566:20
1512.45:566:21
1612.45:576:21
1712.45:576:22
1812.45:576:22
1912.45:586:23
2012.45:586:23
2112.45:596:24
2212.45:596:24
2312.46:006:25
2412.46:006:25
2512.46:016:26
2612.46:016:26
2712.46:026:27
2812.46:026:27
2912.46:036:28
3012.46:036:28
3112.46:046:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.99 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 — December's 4.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Araguaína

In seasonPeak

In December, 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 December a good time to visit Araguaína?

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

3.0
Sightseeing
9th-best month of the year
4.2
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Araguaína.

What to pack for Araguaína in December

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

In December, Araguaína sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Araguaína in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (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 December

GoodModeratePoorUnhealthyVery unhealthy

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