Bom Sucesso weather in December

In December, Bom Sucesso sees average daytime highs of 27°C and overnight lows near 18°C, with 264 mm of rain across 23.8 wet days and about 13.3 hours of daylight. It is the 5th-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 7% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Bom Sucesso's 11th-clearest and 6th-windiest month. For the whole year in context, see Bom Sucesso's year-round climate.

Daytime high
27°
5th warmest
Overnight low
18°
10th coldest
Rainfall
264 mm
23.8 wet days
Daylight
13 h 18 min
6:17 AM – 7:33 PM
Cloud cover
78%
11th clearest
Wind
9 km/h
6th windiest
Solar energy
5.43 kWh/m²
Travel score
4.4
out of 10

Bom Sucesso is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Bom Sucesso reaches about 27°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°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)
12618
22618
32618
42618
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Bom Sucesso weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°25321.713.14.6
Feb28° / 18°15516.912.75.0
Mar27° / 18°16818.412.15.2
Apr26° / 17°629.311.56.8
May24° / 14°385.9117.6
Jun23° / 12°172.610.78.3
Jul24° / 12°111.810.88.6
Aug25° / 13°17311.38.4
Sep27° / 15°647.411.97.1
Oct27° / 17°10413.212.55.9
Nov26° / 17°19719.7134.9
Dec27° / 18°26423.813.34.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22080
31981
41882
51882
61882
71783
81882
91882
101882
111981
121981
131981
142080
152080
162179
172179
182179
192278
202278
212278
222377
232377
242377
252278
262278
272278
282080
292080
302080
311981

Chance of precipitation in December

Any precipitation

Bom Sucesso gets around 264 mm of rain over 23.8 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 76% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
272
373
473
574
674
775
875
975
1075
1175
1275
1376
1476
1576
1676
1776
1877
1977
2077
2178
2278
2378
2479
2579
2679
2779
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 50% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11115038
21104940
3194842
4194644
5194546
6084447
7084349
8074350
9074251
10074251
11074251
12064252
13064252
14064351
15054352
16054352
17054451
18054451
19054451
20054451
21044452
22044452
23044353
24044353
25044353
26044254
27044254
28044155
29044155
30044155
31044155

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 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 6:13 AM to 6:24 AM, and sunset from 7:24 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:137:24
213.26:137:25
313.26:137:26
413.26:147:26
513.26:147:27
613.26:147:28
713.26:147:28
813.26:147:29
913.26:157:29
1013.26:157:30
1113.36:157:31
1213.36:167:31
1313.36:167:32
1413.36:167:32
1513.36:177:33
1613.36:177:33
1713.36:177:34
1813.36:187:34
1913.36:187:35
2013.36:197:35
2113.36:197:36
2213.36:207:36
2313.36:207:37
2413.36:217:37
2513.36:217:38
2613.36:227:38
2713.36:227:39
2813.36:237:39
2913.36:237:39
3013.36:247:40
3113.36:247:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.43 kWh/m².

For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 5.78 kWh/m² in February across the year — December's 5.43 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Bom Sucesso

In seasonPeak

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

Bom Sucesso'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 Bom Sucesso?

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

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

December is a reasonable time to visit Bom Sucesso for sightseeing.

What to pack for Bom Sucesso in December

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

In December, Bom Sucesso sees daytime highs around 27°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

UV index in Bom Sucesso 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 Bom Sucesso peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 15Jun 23UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Bom Sucesso 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 Bom Sucesso is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1615 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar8Good
Apr8Good
May9Good
Jun9Good
Jul8Good
Aug10Good
Sep16Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is Bom Sucesso?

Bom Sucesso sits at 21.0°S, 44.8°W, 941 m above sea level, in Brazil. The nearest listed city is Santo Antônio do Amparo, 19 km away.

Topography around Bom Sucesso

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

Within 3 km, the terrain around Bom Sucesso has only modest variations in elevation — a maximum elevation change of 173 m around an average of 916 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 430 m; within 80 km, large variations in elevation — a maximum elevation change of 843 m.

The land around Bom Sucesso is covered by grassland (56%) and trees (27%) within 3 km, grassland (48%) and trees (43%) within 16 km, and grassland (51%) and trees (36%) within 80 km.

3 km
173 m
16 km
430 m
80 km
843 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Santo Antônio do Amparo 19 km · Lavras 34 km · Perdões 35 km · Oliveira 38 km · São João del Rei 53 km · Nepomuceno 54 km · Campo Belo 56 km · Carmópolis de Minas 56 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 Bom Sucesso (-21.0331°, -44.7581°, elevation 941 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).