Vila Rica weather in December

In December, Vila Rica sees average daytime highs of 30°C and overnight lows near 22°C, with 258 mm of rain across 26.5 wet days and about 12.6 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 4% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Vila Rica's 9th-clearest and 8th-windiest month. For the whole year in context, see Vila Rica's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
10th coldest
Rainfall
258 mm
26.5 wet days
Daylight
12 h 36 min
6:03 AM – 6:38 PM
Cloud cover
84%
9th clearest
Wind
4 km/h
8th windiest
Solar energy
4.95 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 Vila Rica 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 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)
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 December really feels in Vila Rica

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.

Vila Rica 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°2852812.52.9
Feb30° / 22°26525.612.32.9
Mar30° / 22°26227.412.12.9
Apr30° / 22°18821.511.83.4
May31° / 22°649.111.54.4
Jun32° / 21°40.711.44.8
Jul33° / 20°00.111.54.5
Aug35° / 21°30.711.73.4
Sep35° / 22°304.611.93.0
Oct32° / 22°11916.412.23.1
Nov31° / 22°21523.712.53.0
Dec30° / 22°25826.512.63.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21288
31288
41288
51387
61387
71288
81288
91387
101387
111387
121387
131387
141387
151387
161387
171387
181387
191387
201387
211486
221585
231585
241486
251486
261585
271585
281585
291585
301585
311585

Chance of precipitation in December

Any precipitation

Vila Rica gets around 258 mm of rain over 26.5 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 86% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
183
283
383
483
583
683
783
883
984
1084
1185
1285
1385
1486
1586
1687
1787
1887
1987
2088
2188
2288
2388
2488
2588
2688
2788
2888
2988
3088
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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11909
21909
31909
41918
51918
61918
71927
81927
90946
100946
110946
120955
130955
140955
150964
160964
170964
180964
190964
200973
210973
220973
230973
240973
250973
260964
270964
280964
290964
300964
310955

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 36 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 5:58 AM to 6:10 AM, and sunset from 6:31 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:586:31
212.55:586:31
312.65:586:32
412.65:596:32
512.65:596:33
612.65:596:33
712.66:006:34
812.66:006:34
912.66:006:35
1012.66:016:35
1112.66:016:36
1212.66:026:36
1312.66:026:37
1412.66:026:37
1512.66:036:38
1612.66:036:38
1712.66:046:39
1812.66:046:39
1912.66:046:40
2012.66:056:40
2112.66:056:41
2212.66:066:41
2312.66:066:41
2412.66:076:42
2512.66:076:42
2612.66:086:43
2712.66:086:43
2812.66:096:44
2912.66:096:44
3012.66:106:45
3112.66:106:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 5.88 kWh/m² in September across the year — December's 4.95 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Vila Rica

In seasonPeak

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

Vila Rica'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 Vila Rica?

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

3.0
Sightseeing
7th-best month of the year
4.1
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Vila Rica.

What to pack for Vila Rica in December

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

In December, Vila Rica sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Vila Rica 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 Vila Rica peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jun 21UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep11Extreme
Oct10Extreme
Nov13Extreme
Dec12Extreme

Air quality in Vila Rica 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 Vila Rica is worst in September — around 91 µg/m³ PM2.5 (unhealthy), about 12.6× the cleanest month (July, 7 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 1683 µg/m³Jul 108 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar12Good
Apr11Good
May10Good
Jun9Good
Jul7Good
Aug26Moderate
Sep91Unhealthy
Oct33Moderate
Nov16Moderate
Dec13Moderate
Location & terrain

Where is Vila Rica?

Vila Rica sits at 10.0°S, 51.1°W, 257 m above sea level, in Brazil. The nearest listed city is Confresa, 86 km away.

Paraíso do TocantinsRedençãoFormoso do AraguaiaConceição do Araguaia

Topography around Vila Rica

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

Within 3 km, the terrain around Vila Rica has only modest variations in elevation — a maximum elevation change of 100 m around an average of 250 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 287 m; within 80 km, significant variations in elevation — a maximum elevation change of 479 m.

The land around Vila Rica is covered by grassland (61%) within 3 km, grassland (64%) and trees (30%) within 16 km, and trees (48%) and grassland (47%) within 80 km.

3 km
100 m
16 km
287 m
80 km
479 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Confresa 86 km · Santana do Araguaia 113 km · Lagoa da Confusão 185 km · Santa Maria das Barreiras 199 km · Paraíso do Tocantins 247 km · Redenção 251 km · Formoso do Araguaia 264 km · Conceição do Araguaia 281 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 Vila Rica (-10.0117°, -51.1164°, elevation 257 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).