Barra weather in December

In December, Barra sees average daytime highs of 33°C and overnight lows near 23°C, with 92 mm of rain across 9.4 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 27% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Barra's 12th-clearest and 8th-windiest month. For the whole year in context, see Barra's year-round climate.

Daytime high
33°
5th warmest
Overnight low
23°
10th coldest
Rainfall
92 mm
9.4 wet days
Daylight
12 h 36 min
5:29 AM – 6:08 PM
Cloud cover
64%
12th clearest
Wind
8 km/h
8th windiest
Solar energy
6.24 kWh/m²
Travel score
3.7
out of 10

Barra 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 33°C through the month.

A typical December day in Barra reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13323
23323
33323
43323
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173323
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293223
303223
313223

How December really feels in Barra

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.

Barra weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°11410.412.63.8
Feb32° / 23°8210.612.43.7
Mar32° / 23°9710.812.13.8
Apr32° / 22°486.311.84.2
May32° / 22°91.611.54.7
Jun32° / 20°0011.45.4
Jul31° / 19°0011.45.6
Aug33° / 19°0011.64.9
Sep34° / 21°20.411.93.6
Oct35° / 23°233.212.22.9
Nov33° / 23°928.612.53.4
Dec33° / 23°929.412.63.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23763
33862
43862
53763
63862
73862
83961
93961
104060
114060
124159
134258
144258
154357
164456
174456
184555
194555
204555
214555
224654
234654
244654
254654
264654
274654
284654
294654
304654
314654

Chance of precipitation in December

Any precipitation

Barra gets around 92 mm of rain over 9.4 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 31% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
333
433
533
634
734
834
934
1034
1134
1234
1334
1433
1533
1632
1731
1830
1929
2029
2128
2227
2327
2427
2527
2627
2728
2828
2929
3030
3130

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1111294118
2111284119
3111284120
4111274021
5111274022
6111264022
7111264023
8111254023
9111254024
10111254024
11111253924
12111253924
13111253924
14111263924
15111273823
16111283823
17110293822
18110303821
19110313820
20110323819
21110333918
2219343918
2319343917
2418353917
2518354017
2617364017
2707364017
2806364017
2906354018
3006354119
3105354119

Wind in December

Winds average 8 km/h in December.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 36 min at the start of December to 12 h 36 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 5:24 AM to 5:36 AM, and sunset from 6:00 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:246:00
212.65:246:01
312.65:256:01
412.65:256:02
512.65:256:02
612.65:266:03
712.65:266:03
812.65:266:04
912.65:276:05
1012.65:276:05
1112.65:276:06
1212.65:286:06
1312.65:286:07
1412.65:296:07
1512.65:296:08
1612.65:296:08
1712.65:306:09
1812.65:306:09
1912.65:316:10
2012.65:316:10
2112.65:326:11
2212.65:326:11
2312.65:336:12
2412.65:336:12
2512.65:336:12
2612.65:346:13
2712.65:346:13
2812.65:356:14
2912.65:356:14
3012.65:366:15
3112.65:366:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.24 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.83 kWh/m² in October across the year — December's 6.24 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.2Intense
316.2Intense
Planning a trip in December

Hazard calendar for Barra

In seasonPeak

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

Barra's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Barra?

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

3.7
Sightseeing
8th-best month of the year
6.3
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Barra. The water and warmth also suit a beach or pool day.

What to pack for Barra in December

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

In December, Barra sees daytime highs around 33°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Barra in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Barra peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 21UV 15Jul 10UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Barra 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 Barra is worst in September — around 17 µg/m³ PM2.5 (moderate), about 6.6× the cleanest month (June, 3 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2317 µg/m³Jun 163 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar6Good
Apr5Good
May4Good
Jun3Good
Jul4Good
Aug4Good
Sep17Moderate
Oct17Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Barra?

Barra sits at 11.1°S, 43.1°W, 411 m above sea level, in Brazil. The nearest listed city is Xique-Xique, 54 km away.

Topography around Barra

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

Within 3 km, the terrain around Barra has only modest variations in elevation — a maximum elevation change of 14 m around an average of 404 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, large variations in elevation — a maximum elevation change of 1,031 m.

The land around Barra is covered by grassland (34%) and shrubs (28%) within 3 km, shrubs (69%) within 16 km, and shrubs (73%) and trees (20%) within 80 km.

3 km
14 m
16 km
21 m
80 km
1,031 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Xique-Xique 54 km · Buritirama 68 km · Central 112 km · Ibotirama 122 km · Jussara 128 km · Presidente Dutra 128 km · Ibititá 137 km · Ibipeba 138 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 Barra (-11.0894°, -43.1417°, elevation 411 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).