Água Boa weather in December

In December, Água Boa sees average daytime highs of 30°C and overnight lows near 23°C, with 246 mm of rain across 25.3 wet days and about 12.8 hours of daylight. It is the 11th-warmest and 2nd-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 48 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Água Boa's 12th-clearest and 8th-windiest month. For the whole year in context, see Água Boa's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
9th coldest
Rainfall
246 mm
25.3 wet days
Daylight
12 h 48 min
6:00 AM – 6:50 PM
Cloud cover
83%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
5.14 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 Água Boa 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 27°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Água Boa

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.

Água Boa weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°2642612.73.0
Feb30° / 22°22023.912.53.0
Mar31° / 22°21725.112.13.0
Apr31° / 22°11516.211.73.8
May32° / 21°173.511.45.0
Jun32° / 20°20.411.25.4
Jul32° / 19°00.111.35.3
Aug34° / 21°50.711.54.0
Sep35° / 23°284.811.92.9
Oct33° / 23°12416.912.32.8
Nov31° / 23°2012312.72.9
Dec30° / 23°24625.312.83.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31387
41486
51387
61387
71387
81387
91387
101486
111486
121486
131486
141684
151684
161783
171783
181882
191882
201981
211981
221882
231882
241882
251882
261882
271882
281783
291783
301783
311783

Chance of precipitation in December

Any precipitation

Água Boa gets around 246 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 83% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
182
282
383
483
583
683
783
883
983
1083
1183
1283
1382
1482
1582
1682
1782
1882
1981
2081
2181
2281
2381
2481
2581
2681
2782
2882
2982
3083
3183

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
Humid (%)Muggy (%)Oppressive (%)
11495
21396
31396
41396
51396
61396
70397
80397
90397
100397
110397
120397
130397
140397
150397
160397
170397
180397
190397
200397
210397
220298
230298
240298
250298
260298
270298
280298
290397
300397
310397

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 48 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 0 minutes over December. Sunrise moves from 5:55 AM to 6:07 AM, and sunset from 6:42 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:556:42
212.85:556:42
312.85:566:43
412.85:566:43
512.85:566:44
612.85:576:44
712.85:576:45
812.85:576:45
912.85:576:46
1012.85:586:46
1112.85:586:47
1212.85:586:47
1312.85:596:48
1412.85:596:49
1512.86:006:49
1612.86:006:50
1712.86:006:50
1812.86:016:51
1912.86:016:51
2012.86:026:52
2112.86:026:52
2212.86:036:53
2312.86:036:53
2412.86:046:53
2512.86:046:54
2612.86:056:54
2712.86:056:55
2812.86:066:55
2912.86:066:56
3012.86:076:56
3112.86:076:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 5.98 kWh/m² in September across the year — December's 5.14 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
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in December

Hazard calendar for Água Boa

In seasonPeak

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

Água Boa's monsoon runs October–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 Água Boa?

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

3.0
Sightseeing
6th-best month of the year
4.2
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Água Boa.

What to pack for Água Boa in December

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

In December, Água Boa 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 Água Boa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Água Boa peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 12UV 15Jul 10UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep12Extreme
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Água Boa 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 Água Boa is worst in September — around 47 µg/m³ PM2.5 (poor), about 8.6× the cleanest month (June, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1544 µg/m³Jun 166 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar9Good
Apr8Good
May6Good
Jun6Good
Jul6Good
Aug27Moderate
Sep47Poor
Oct18Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Água Boa?

Água Boa sits at 14.1°S, 52.2°W, 455 m above sea level, in Brazil. The nearest listed city is Canarana, 57 km away.

Topography around Água Boa

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

Within 3 km, the terrain around Água Boa has only modest variations in elevation — a maximum elevation change of 76 m around an average of 438 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, significant variations in elevation — a maximum elevation change of 357 m.

The land around Água Boa is covered by grassland (36%), cropland (23%) and artificial surfaces (22%) within 3 km, grassland (34%), cropland (31%) and trees (22%) within 16 km, and grassland (43%) and trees (30%) within 80 km.

3 km
76 m
16 km
219 m
80 km
357 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Canarana 57 km · Nova Xavantina 72 km · Campinápolis 88 km · Querência 162 km · Barra do Garças 205 km · Aragarças 206 km · Paranatinga 208 km · São Miguel do Araguaia 232 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 Água Boa (-14.05°, -52.1586°, elevation 455 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).