Acreúna weather in December

In December, Acreúna sees average daytime highs of 30°C and overnight lows near 22°C, with 214 mm of rain across 25.4 wet days and about 13 hours of daylight. It is the 8th-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 9% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of December to 13 hours by month's end. Set against the rest of the year, December is Acreúna's 11th-clearest and 7th-windiest month. For the whole year in context, see Acreúna's year-round climate.

Daytime high
30°
8th warmest
Overnight low
22°
12th coldest
Rainfall
214 mm
25.4 wet days
Daylight
13 hours
6:47 AM – 7:49 PM
Cloud cover
78%
11th clearest
Wind
7 km/h
7th windiest
Solar energy
5.61 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 30°C through the month.

A typical December day in Acreúna reaches about 30°C in the afternoon and slips back to 22°C overnight — a 9°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)
13021
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How December really feels in Acreúna

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.

Acreúna weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°22523.412.93.4
Feb30° / 21°17421.112.63.4
Mar30° / 21°17021.812.13.5
Apr30° / 20°7210.811.64.8
May29° / 18°213.811.26.3
Jun29° / 17°50.9116.9
Jul30° / 16°30.611.16.8
Aug32° / 18°81.111.45.4
Sep33° / 20°39611.93.8
Oct33° / 21°11515.312.43.2
Nov31° / 21°18222.212.83.2
Dec30° / 22°21425.4133.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

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 (%)
12179
22179
32080
41981
51882
61882
71882
81783
91882
101981
111981
121981
132080
142080
152179
162278
172278
182377
192476
202476
212476
222377
232377
242377
252377
262278
272278
282278
292179
302179
312080

Chance of precipitation in December

Any precipitation

Acreúna gets around 214 mm of rain over 25.4 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 81% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
181
282
383
483
584
684
784
884
984
1084
1184
1283
1383
1482
1582
1681
1781
1880
1980
2080
2179
2279
2379
2479
2578
2678
2778
2878
2978
3077
3177

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1135739
2135640
3135442
4125443
5125245
6125146
7125146
8125047
9025147
10025048
11025048
12025048
13025147
14025147
15025246
16025246
17025345
18025444
19025444
20025543
21025543
22025543
23025543
24025543
25025543
26025444
27025444
28025345
29025246
30025246
31025147

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 hours at the start of December to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:42 AM to 6:54 AM, and sunset from 7:40 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:427:40
213.06:427:41
313.06:437:41
413.06:437:42
513.06:437:43
613.06:437:43
713.06:447:44
813.06:447:44
913.06:447:45
1013.06:447:45
1113.06:457:46
1213.06:457:47
1313.06:457:47
1413.06:467:48
1513.06:467:48
1613.06:477:49
1713.06:477:49
1813.06:477:50
1913.06:487:50
2013.06:487:51
2113.06:497:51
2213.06:497:52
2313.06:507:52
2413.06:507:53
2513.06:517:53
2613.06:517:54
2713.06:527:54
2813.06:527:54
2913.06:537:55
3013.06:537:55
3113.06:547:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.61 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.17 kWh/m² in October across the year — December's 5.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in December

Hazard calendar for Acreúna

In seasonPeak

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

Acreúna'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 Acreúna?

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

3.2
Sightseeing
10th-best month of the year
4.4
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Acreúna.

What to pack for Acreúna in December

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

In December, Acreúna sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Acreúna in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Acreúna peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highExtremeJan 21UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Acreúna 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 Acreúna is worst in September — around 25 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (June, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1724 µg/m³Jun 176 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May6Good
Jun5Good
Jul6Good
Aug11Good
Sep25Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Acreúna?

Acreúna sits at 17.4°S, 50.4°W, 542 m above sea level, in Brazil. The nearest listed city is Indiara, 50 km away.

Topography around Acreúna

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

Within 3 km, the terrain around Acreúna has only modest variations in elevation — a maximum elevation change of 58 m around an average of 531 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 190 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around Acreúna is covered by cropland (55%) within 3 km, cropland (72%) within 16 km, and cropland (68%) within 80 km.

3 km
58 m
16 km
190 m
80 km
507 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Indiara 50 km · Santa Helena de Goiás 52 km · Rio Verde 74 km · Palmeiras de Goiás 81 km · São Luís de Montes Belos 97 km · Pontalina 100 km · Guapó 110 km · Anicuns 113 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 Acreúna (-17.3956°, -50.3769°, elevation 542 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).