Floresta do Araguaia weather in December

In December, Floresta do Araguaia sees average daytime highs of 30°C and overnight lows near 23°C, with 232 mm of rain across 25.3 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 Floresta do Araguaia's 9th-clearest and 8th-windiest month. For the whole year in context, see Floresta do Araguaia's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
9th coldest
Rainfall
232 mm
25.3 wet days
Daylight
12 h 24 min
6:02 AM – 6:28 PM
Cloud cover
82%
9th clearest
Wind
5 km/h
8th windiest
Solar energy
5.01 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 Floresta do Araguaia reaches about 30°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 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
113123
123123
133123
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Floresta do Araguaia

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.

Floresta do Araguaia 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°30528.412.42.8
Feb30° / 22°29125.812.22.7
Mar30° / 23°29528.812.12.7
Apr31° / 23°21823.811.83.0
May31° / 22°10714.711.73.8
Jun32° / 22°112.311.64.6
Jul34° / 22°30.511.64.2
Aug35° / 22°50.911.83.4
Sep34° / 23°355.1123.3
Oct32° / 23°11215.212.23.3
Nov31° / 23°19921.912.33.1
Dec30° / 23°23225.312.43.0

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 9% of December, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21684
31684
41684
51684
61684
71585
81585
91585
101585
111585
121486
131387
141387
151387
161387
171387
181387
191387
201387
211486
221486
231486
241486
251486
261486
271585
281585
291486
301486
311486

Chance of precipitation in December

Any precipitation

Floresta do Araguaia gets around 232 mm of rain over 25.3 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 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
175
275
375
475
576
676
777
877
978
1079
1180
1281
1382
1483
1583
1684
1784
1885
1985
2086
2186
2286
2387
2487
2587
2687
2787
2887
2987
3088
3188

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1964
2964
3964
4964
5964
6964
7964
8964
9964
10964
11964
12964
13964
14964
15964
16964
17973
18973
19973
20973
21973
22973
23982
24982
25982
26982
27982
28982
29982
30982
31982

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 5:56 AM to 6:09 AM, and sunset from 6:21 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:566:21
212.45:576:21
312.45:576:22
412.45:576:22
512.45:586:23
612.45:586:23
712.45:586:24
812.45:596:24
912.45:596:25
1012.45:596:25
1112.46:006:26
1212.46:006:26
1312.46:016:27
1412.46:016:27
1512.46:016:28
1612.46:026:28
1712.46:026:29
1812.46:036:29
1912.46:036:30
2012.46:046:30
2112.46:046:31
2212.46:056:31
2312.46:056:31
2412.46:066:32
2512.46:066:32
2612.46:076:33
2712.46:076:33
2812.46:086:34
2912.46:086:34
3012.46:096:35
3112.46:096:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.09 kWh/m² in September across the year — December's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Floresta do Araguaia

In seasonPeak

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

Floresta do Araguaia'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 Floresta do Araguaia?

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

December is a weaker month for outdoor sightseeing in Floresta do Araguaia.

What to pack for Floresta do Araguaia in December

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

In December, Floresta do Araguaia sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Floresta do Araguaia 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 Floresta do Araguaia peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov12Extreme
Dec11Extreme

Air quality in Floresta do Araguaia 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 Floresta do Araguaia is worst in September — around 41 µg/m³ PM2.5 (poor), about 7.6× the cleanest month (July, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateSep 1938 µg/m³Jul 105 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr11Good
May8Good
Jun6Good
Jul5Good
Aug14Moderate
Sep41Poor
Oct28Moderate
Nov20Moderate
Dec16Moderate
Location & terrain

Where is Floresta do Araguaia?

Floresta do Araguaia sits at 7.6°S, 49.7°W, 188 m above sea level, in Brazil. The nearest listed city is Rio Maria, 46 km away.

Topography around Floresta do Araguaia

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

Within 3 km, the terrain around Floresta do Araguaia has only modest variations in elevation — a maximum elevation change of 36 m around an average of 182 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 374 m; within 80 km, significant variations in elevation — a maximum elevation change of 580 m.

The land around Floresta do Araguaia is covered by grassland (71%) within 3 km, grassland (70%) and trees (28%) within 16 km, and grassland (66%) and trees (32%) within 80 km.

3 km
36 m
16 km
374 m
80 km
580 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Rio Maria 46 km · Xinguara 57 km · Redenção 63 km · Conceição do Araguaia 93 km · Canaã dos Carajás 116 km · Água Azul do Norte 119 km · Santa Maria das Barreiras 147 km · Colinas do Tocantins 147 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 Floresta do Araguaia (-7.5536°, -49.7125°, elevation 188 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).