Santo Antônio do Descoberto weather in December

In December, Santo Antônio do Descoberto sees average daytime highs of 27°C and overnight lows near 19°C, with 225 mm of rain across 24.3 wet days and about 12.9 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°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 12 h 54 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Santo Antônio do Descoberto's 12th-clearest and 9th-windiest month. For the whole year in context, see Santo Antônio do Descoberto's year-round climate.

Daytime high
27°
10th warmest
Overnight low
19°
11th coldest
Rainfall
225 mm
24.3 wet days
Daylight
12 h 54 min
6:41 AM – 7:37 PM
Cloud cover
80%
12th clearest
Wind
7 km/h
9th windiest
Solar energy
5.33 kWh/m²
Travel score
4.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Santo Antônio do Descoberto reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

Santo Antônio do Descoberto weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°21922.512.84.4
Feb28° / 19°19120.112.54.5
Mar28° / 19°20722.112.14.6
Apr28° / 18°9113.211.76.0
May27° / 16°193.211.37.7
Jun27° / 14°40.611.18.3
Jul27° / 14°00.111.18.5
Aug29° / 16°61.511.57.1
Sep31° / 18°325.311.95.4
Oct30° / 19°11715.112.44.4
Nov28° / 19°20922.812.74.2
Dec27° / 19°22524.312.94.2

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 10% of December, with mostly cloudy or overcast conditions the remaining 82%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21486
31486
41585
51486
61486
71486
81387
91486
101486
111585
121684
131783
141783
151882
161882
172080
182080
192080
202179
212278
222278
232278
242377
252377
262278
272377
282377
292377
302377
312278

Chance of precipitation in December

Any precipitation

Santo Antônio do Descoberto gets around 225 mm of rain over 24.3 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 78% and peaks near 82% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
181
282
382
482
582
682
782
881
981
1080
1180
1279
1379
1478
1577
1677
1776
1875
1975
2075
2175
2274
2375
2475
2575
2675
2775
2876
2976
3076
3176

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 65% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
152867
252768
352669
452570
552570
652471
752471
852471
952471
1052570
1162569
1262668
1362767
1462866
1562965
1663064
1763163
1863262
1963361
2053461
2153560
2253560
2353659
2453659
2553659
2643561
2743561
2843462
2943462
3043363
3143363

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 8 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
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 54 min at the start of December to 12 h 54 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 6:36 AM to 6:48 AM, and sunset from 7:29 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:367:29
212.96:377:30
312.96:377:30
412.96:377:31
512.96:377:31
612.96:387:32
712.96:387:33
812.96:387:33
912.96:387:34
1012.96:397:34
1112.96:397:35
1212.96:397:35
1312.96:407:36
1412.96:407:36
1512.96:407:37
1612.96:417:37
1712.96:417:38
1812.96:427:38
1912.96:427:39
2012.96:437:39
2112.96:437:40
2212.96:447:40
2312.96:447:41
2412.96:447:41
2512.96:457:42
2612.96:457:42
2712.96:467:43
2812.96:477:43
2912.96:477:43
3012.96:487:44
3112.96:487:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.33 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.04 kWh/m² in September across the year — December's 5.33 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
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Santo Antônio do Descoberto

In seasonPeak

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

Santo Antônio do Descoberto'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 Santo Antônio do Descoberto?

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

4.2
Sightseeing
11th-best month of the year
4.4
Beach & pool
12th-best month of the year

December is a reasonable time to visit Santo Antônio do Descoberto for sightseeing.

What to pack for Santo Antônio do Descoberto in December

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

In December, Santo Antônio do Descoberto sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Santo Antônio do Descoberto 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 Santo Antônio do Descoberto peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 13UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep13Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santo Antônio do Descoberto 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 Santo Antônio do Descoberto is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateSep 1830 µg/m³Jan 1511 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr14Moderate
May15Moderate
Jun13Moderate
Jul13Moderate
Aug15Moderate
Sep32Moderate
Oct21Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Santo Antônio do Descoberto?

Santo Antônio do Descoberto sits at 15.9°S, 48.3°W, 895 m above sea level, in Brazil. The nearest listed city is Pôr do Sol, 17 km away.

Topography around Santo Antônio do Descoberto

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio do Descoberto.

Within 3 km, the terrain around Santo Antônio do Descoberto has only modest variations in elevation — a maximum elevation change of 157 m around an average of 922 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 334 m; within 80 km, large variations in elevation — a maximum elevation change of 776 m.

The land around Santo Antônio do Descoberto is covered by grassland (34%) and trees (27%) within 3 km, grassland (47%), trees (24%) and shrubs (22%) within 16 km, and grassland (35%) and trees (28%) within 80 km.

3 km
157 m
16 km
334 m
80 km
776 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Pôr do Sol 17 km · Samambaia 17 km · Ceilândia 20 km · Águas Lindas de Goiás 20 km · Recanto das Emas 21 km · Gama 22 km · Riacho Fundo II 23 km · Taguatinga 24 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 Santo Antônio do Descoberto (-15.9397°, -48.255°, elevation 895 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).