Porangatu weather in December

In December, Porangatu sees average daytime highs of 31°C and overnight lows near 22°C, with 258 mm of rain across 23 wet days and about 12.8 hours of daylight. It is the 10th-warmest and 2nd-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 9% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Porangatu's 12th-clearest and 7th-windiest month. For the whole year in context, see Porangatu's year-round climate.

Daytime high
31°
10th warmest
Overnight low
22°
9th coldest
Rainfall
258 mm
23 wet days
Daylight
12 h 48 min
6:49 AM – 7:36 PM
Cloud cover
80%
12th clearest
Wind
6 km/h
7th windiest
Solar energy
5.3 kWh/m²
Travel score
3.2
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 Porangatu reaches about 31°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 34°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
73023
83023
93023
103023
113023
123023
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313022

How December really feels in Porangatu

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.

Porangatu weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°27324.412.73.1
Feb31° / 22°21221.912.43.1
Mar31° / 22°21123.312.13.2
Apr32° / 22°10014.411.73.8
May32° / 21°173.111.44.5
Jun32° / 20°20.411.25.0
Jul33° / 20°0011.34.9
Aug34° / 21°20.611.63.8
Sep35° / 23°172.811.92.7
Oct34° / 23°10113.112.32.7
Nov31° / 23°22821.512.63.0
Dec31° / 22°2582312.83.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51783
61783
71783
81882
91882
101981
111981
121981
132080
142080
152278
162278
172278
182377
192377
202377
212377
222476
232476
242476
252476
262377
272377
282377
292377
302179
312179

Chance of precipitation in December

Any precipitation

Porangatu gets around 258 mm of rain over 23 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 75% and peaks near 76% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
176
276
376
476
576
676
775
875
975
1075
1175
1275
1375
1474
1574
1674
1774
1873
1973
2073
2173
2273
2373
2473
2573
2674
2774
2875
2975
3076
3176

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
111584
211584
311584
411485
511485
611485
711485
811584
911584
1011584
1111584
1211683
1311683
1411683
1511683
1611782
1711782
1811782
1911782
2011782
2111881
2211881
2311881
2411782
2511782
2611782
2711683
2811683
2911584
3011485
3111485

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 42 min at the start of December to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:44 AM to 6:56 AM, and sunset from 7:28 PM to 7:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:447:28
212.76:447:29
312.76:457:30
412.86:457:30
512.86:457:31
612.86:467:31
712.86:467:32
812.86:467:32
912.86:467:33
1012.86:477:33
1112.86:477:34
1212.86:487:34
1312.86:487:35
1412.86:487:35
1512.86:497:36
1612.86:497:36
1712.86:507:37
1812.86:507:37
1912.86:507:38
2012.86:517:38
2112.86:517:39
2212.86:527:39
2312.86:527:40
2412.86:537:40
2512.86:537:41
2612.86:547:41
2712.86:547:42
2812.86:557:42
2912.86:557:42
3012.86:567:43
3112.86:567:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.3 kWh/m².

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.11 kWh/m² in September across the year — December's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in December

Hazard calendar for Porangatu

In seasonPeak

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

Porangatu's monsoon runs November–March, 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 Porangatu?

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

3.2
Sightseeing
6th-best month of the year
4.5
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Porangatu.

What to pack for Porangatu in December

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

In December, Porangatu sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Porangatu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porangatu peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 23UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct11Extreme
Nov13Extreme
Dec12Extreme

Air quality in Porangatu 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 Porangatu is worst in September — around 18 µg/m³ PM2.5 (moderate), about 5.7× the cleanest month (July, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2318 µg/m³Jul 123 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May5Good
Jun4Good
Jul3Good
Aug6Good
Sep18Moderate
Oct18Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Porangatu?

Porangatu sits at 13.4°S, 49.1°W, 407 m above sea level, in Brazil. The nearest listed city is Minaçu, 101 km away.

Topography around Porangatu

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

Within 3 km, the terrain around Porangatu has only modest variations in elevation — a maximum elevation change of 64 m around an average of 380 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 474 m; within 80 km, large variations in elevation — a maximum elevation change of 888 m.

The land around Porangatu is covered by grassland (41%), artificial surfaces (30%) and trees (20%) within 3 km, grassland (65%) and trees (27%) within 16 km, and grassland (55%) and trees (34%) within 80 km.

3 km
64 m
16 km
474 m
80 km
888 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Minaçu 101 km · São Miguel do Araguaia 111 km · Uruaçu 121 km · Niquelândia 137 km · Crixás 152 km · Itapaci 173 km · Formoso do Araguaia 187 km · Gurupi 191 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 Porangatu (-13.4408°, -49.1486°, elevation 407 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).