Araguatins weather in December

In December, Araguatins sees average daytime highs of 31°C and overnight lows near 23°C, with 183 mm of rain across 23.6 wet days and about 12.3 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Araguatins's 9th-clearest and 8th-windiest month. For the whole year in context, see Araguatins's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
9th coldest
Rainfall
183 mm
23.6 wet days
Daylight
12 h 18 min
5:59 AM – 6:18 PM
Cloud cover
79%
9th clearest
Wind
5 km/h
8th windiest
Solar energy
5 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 31°C through the month.

A typical December day in Araguatins reaches about 31°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 28°C and 33°C. Set against its neighbours, December runs about 1°C cooler than 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
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303023
313023

How December really feels in Araguatins

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.

Araguatins weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26727.912.32.8
Feb30° / 23°27625.612.22.7
Mar30° / 23°29128.8122.6
Apr31° / 23°22224.411.92.9
May32° / 23°11414.411.73.7
Jun33° / 22°14311.74.2
Jul34° / 22°81.411.73.9
Aug35° / 22°4111.83.4
Sep35° / 23°193.5123.3
Oct33° / 24°6910.212.13.4
Nov32° / 23°14218.312.33.2
Dec31° / 23°18323.612.33.0

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 15% of December, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32575
42575
52575
62575
72476
82476
92377
102377
112278
122179
132080
141981
151981
161882
171882
181882
191882
201882
211882
221882
231882
241783
251783
261783
271684
281783
291684
301684
311585

Chance of precipitation in December

Any precipitation

Araguatins gets around 183 mm of rain over 23.6 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 77% and peaks near 87% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
166
266
366
466
566
667
767
868
969
1070
1171
1272
1374
1475
1576
1678
1779
1880
1981
2082
2183
2283
2384
2485
2585
2686
2786
2886
2986
3086
3187

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 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11936
21936
30946
40946
50946
60946
70946
80946
90946
100946
110946
120946
130946
140946
150946
160946
170946
180946
190946
200937
210937
220937
230937
240928
250928
260928
270919
280919
290919
300919
3109010

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 18 min at the start of December to 12 h 18 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 5:53 AM to 6:06 AM, and sunset from 6:11 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:536:11
212.35:536:12
312.35:546:12
412.35:546:13
512.35:546:13
612.35:556:14
712.35:556:14
812.35:566:15
912.35:566:15
1012.35:566:15
1112.35:576:16
1212.35:576:16
1312.35:586:17
1412.35:586:17
1512.35:586:18
1612.35:596:18
1712.35:596:19
1812.36:006:19
1912.36:006:20
2012.36:016:20
2112.36:016:21
2212.36:026:21
2312.36:026:22
2412.36:036:22
2512.36:036:23
2612.36:036:23
2712.36:046:24
2812.36:046:24
2912.36:056:24
3012.36:056:25
3112.36:066:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.26 kWh/m² in September across the year — December's 5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Araguatins

In seasonPeak

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

Araguatins'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 Araguatins?

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

3.0
Sightseeing
8th-best month of the year
4.4
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Araguatins.

What to pack for Araguatins in December

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

In December, Araguatins sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Araguatins in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Araguatins peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec10Very high

Air quality in Araguatins 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 Araguatins is worst in September — around 36 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (May, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1635 µg/m³May 249 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar12Moderate
Apr12Good
May9Good
Jun9Good
Jul12Good
Aug27Moderate
Sep36Poor
Oct27Moderate
Nov25Moderate
Dec19Moderate
Location & terrain

Where is Araguatins?

Araguatins sits at 5.7°S, 48.1°W, 150 m above sea level, in Brazil. The nearest listed city is Imperatriz, 70 km away.

Topography around Araguatins

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

Within 3 km, the terrain around Araguatins has only modest variations in elevation — a maximum elevation change of 74 m around an average of 120 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, significant variations in elevation — a maximum elevation change of 498 m.

The land around Araguatins is covered by grassland (41%) and trees (34%) within 3 km, grassland (53%) and trees (40%) within 16 km, and grassland (55%) and trees (42%) within 80 km.

3 km
74 m
16 km
183 m
80 km
498 m
treesgrasslandartificial surfaceswater
December weather nearby: Imperatriz 70 km · São Domingos do Araguaia 70 km · João Lisboa 82 km · Governador Edison Lobão 83 km · Bom Jesus do Tocantins 86 km · São Geraldo do Araguaia 97 km · Rondon do Pará 97 km · Açailândia 103 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 Araguatins (-5.6508°, -48.1112°, elevation 150 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).