Barroso weather in December

In December, Barroso sees average daytime highs of 26°C and overnight lows near 18°C, with 264 mm of rain across 23.6 wet days and about 13.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels humid.

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 Barroso's 12th-clearest and 5th-windiest month. For the whole year in context, see Barroso's year-round climate.

Daytime high
26°
4th warmest
Overnight low
18°
10th coldest
Rainfall
264 mm
23.6 wet days
Daylight
13 h 18 min
6:14 AM – 7:31 PM
Cloud cover
79%
12th clearest
Wind
10 km/h
5th windiest
Solar energy
5.35 kWh/m²
Travel score
4.5
out of 10

Barroso is human 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 26°C through the month.

A typical December day in Barroso reaches about 26°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 22°C and 29°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82517
92618
102618
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618
312618

Barroso weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°25121.213.14.7
Feb27° / 18°15316.312.75.2
Mar26° / 17°16619.212.15.2
Apr25° / 16°6010.211.56.7
May23° / 14°355.8117.4
Jun22° / 12°162.610.77.9
Jul22° / 12°122.410.88.1
Aug23° / 12°203.411.38.3
Sep25° / 14°667.911.97.3
Oct25° / 16°11213.512.56.1
Nov25° / 17°20620135.0
Dec26° / 18°26423.613.34.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31684
41585
51585
61486
71486
81585
91585
101684
111684
121684
131684
141882
151882
161882
171981
181981
192080
202080
212179
222179
232179
242179
252179
262080
271981
281981
291981
301882
311882

Chance of precipitation in December

Any precipitation

Barroso gets around 264 mm of rain over 23.6 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 (%)
172
272
373
473
574
674
774
875
975
1075
1175
1275
1375
1475
1575
1675
1775
1875
1976
2076
2176
2277
2377
2478
2578
2679
2779
2879
2979
3078
3178

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11165825
21155727
31145629
41135630
51125532
61125433
70115534
80105535
90105535
10095536
11085636
12085636
13075736
14075736
15065836
16065836
17065737
18065737
19065737
20055837
21055837
22055837
23055738
24055738
25055639
26055639
27055540
28055540
29055540
30055540
31055540

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:10 AM to 6:21 AM, and sunset from 7:22 PM to 7:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:107:22
213.26:107:22
313.26:107:23
413.26:107:23
513.26:107:24
613.26:117:25
713.26:117:25
813.26:117:26
913.36:117:27
1013.36:127:27
1113.36:127:28
1213.36:127:28
1313.36:137:29
1413.36:137:29
1513.36:137:30
1613.36:147:31
1713.36:147:31
1813.36:147:32
1913.36:157:32
2013.36:157:33
2113.36:167:33
2213.36:167:34
2313.36:177:34
2413.36:177:34
2513.36:187:35
2613.36:187:35
2713.36:197:36
2813.36:197:36
2913.36:207:37
3013.36:207:37
3113.36:217:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.35 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.76 kWh/m² in February across the year — December's 5.35 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Barroso

In seasonPeak

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

Barroso'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 Barroso?

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

4.5
Sightseeing
12th-best month of the year
4.3
Beach & pool
12th-best month of the year

December is a reasonable time to visit Barroso for sightseeing.

What to pack for Barroso in December

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

In December, Barroso sees daytime highs around 26°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 Barroso 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 Barroso peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 10UV 16Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Barroso 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 Barroso is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1616 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar9Good
Apr9Good
May10Good
Jun10Good
Jul9Good
Aug11Good
Sep17Moderate
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Barroso?

Barroso sits at 21.2°S, 44.0°W, 927 m above sea level, in Brazil. The nearest listed city is Barbacena, 21 km away.

Topography around Barroso

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

Within 3 km, the terrain around Barroso has only modest variations in elevation — a maximum elevation change of 220 m around an average of 962 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 339 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,364 m.

The land around Barroso is covered by grassland (50%) and trees (30%) within 3 km, grassland (56%) and trees (36%) within 16 km, and grassland (57%) and trees (35%) within 80 km.

3 km
220 m
16 km
339 m
80 km
1,364 m
treesgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Barbacena 21 km · São João del Rei 30 km · Carandaí 31 km · Santos Dumont 53 km · Conselheiro Lafaiete 62 km · Lima Duarte 75 km · Congonhas 77 km · Ouro Branco 79 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 Barroso (-21.1869°, -43.9758°, elevation 927 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).