Piatã weather in December

In December, Piatã sees average daytime highs of 27°C and overnight lows near 17°C, with 127 mm of rain across 12.3 wet days and about 12.8 hours of daylight. It is the 5th-warmest and 2nd-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 21% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 42 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Piatã's 11th-clearest and 11th-windiest month. For the whole year in context, see Piatã's year-round climate.

Daytime high
27°
5th warmest
Overnight low
17°
9th coldest
Rainfall
127 mm
12.3 wet days
Daylight
12 h 48 min
5:20 AM – 6:06 PM
Cloud cover
68%
11th clearest
Wind
7 km/h
11th windiest
Solar energy
6.14 kWh/m²
Travel score
6.1
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 Piatã reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82617
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Piatã weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°11511.512.76.2
Feb27° / 17°7310.512.46.2
Mar27° / 17°11111.712.16.2
Apr26° / 17°679.811.76.6
May25° / 16°214.911.47.5
Jun24° / 14°9311.28.1
Jul23° / 13°61.511.38.2
Aug24° / 13°51.511.68.4
Sep26° / 14°142.611.98.0
Oct27° / 16°566.712.37.1
Nov26° / 17°15912.912.66.0
Dec27° / 17°12712.312.86.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43268
53268
63268
73367
83367
93466
103466
113565
123565
133763
143862
153961
164060
174258
184258
194258
204456
214456
224456
234456
244456
254456
264456
274357
284357
294357
304357
314258

Chance of precipitation in December

Any precipitation

Piatã gets around 127 mm of rain over 12.3 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 40% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
546
646
746
845
944
1043
1142
1241
1340
1439
1538
1637
1736
1835
1934
2034
2133
2234
2334
2434
2535
2635
2736
2837
2937
3038
3138

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11235719
21225819
31225720
41225720
51215820
61215721
71215721
82215621
92225521
102225620
112225620
122235619
131245619
141245718
151255717
161265716
171275715
181275814
191275913
201285813
211285912
221276111
230276211
240276310
250276310
260266410
270266410
280256510
290256411
300246511
310246511

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
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 42 min at the start of December to 12 h 48 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 5:15 AM to 5:27 AM, and sunset from 5:58 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:155:58
212.75:155:59
312.75:165:59
412.75:166:00
512.75:166:01
612.75:176:01
712.75:176:02
812.85:176:02
912.85:176:03
1012.85:186:03
1112.85:186:04
1212.85:196:04
1312.85:196:05
1412.85:196:05
1512.85:206:06
1612.85:206:06
1712.85:216:07
1812.85:216:07
1912.85:216:08
2012.85:226:08
2112.85:226:09
2212.85:236:09
2312.85:236:10
2412.85:246:10
2512.85:246:11
2612.85:256:11
2712.85:256:12
2812.85:266:12
2912.85:266:12
3012.85:276:13
3112.85:276:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.14 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.36 kWh/m² in October across the year — December's 6.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Hazard calendar for Piatã

In seasonPeak

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

Piatã'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 Piatã?

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

6.1
Sightseeing
11th-best month of the year
6.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Piatã for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Piatã in December

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

In December, Piatã sees daytime highs around 27°C and nights near 17°C. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

UV index in Piatã in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Piatã peaks around February 18 at about 16 (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 18UV 16Jul 10UV 9
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Piatã?

Piatã sits at 13.2°S, 41.8°W, 1,282 m above sea level, in Brazil. The nearest listed city is Livramento de Nossa Senhora, 55 km away.

Topography around Piatã

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

Within 3 km, the terrain around Piatã has significant variations in elevation — a maximum elevation change of 566 m around an average of 1,281 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,117 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,703 m.

The land around Piatã is covered by shrubs (48%) and grassland (31%) within 3 km, shrubs (50%), grassland (25%) and trees (24%) within 16 km, and shrubs (54%), trees (22%) and grassland (21%) within 80 km.

3 km
566 m
16 km
1,117 m
80 km
1,703 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Livramento de Nossa Senhora 55 km · Livramento do Brumado 56 km · Paramirim 60 km · Ibicoara 60 km · Barra da Estiva 71 km · Seabra 82 km · Tanque Novo 89 km · Ituaçu 90 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 Piatã (-13.1519°, -41.7728°, elevation 1,282 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).