Piancó weather in December

In December, Piancó sees average daytime highs of 36°C and overnight lows near 24°C, with 20 mm of rain across 2.9 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 36% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Piancó's 6th-clearest and 7th-windiest month. For the whole year in context, see Piancó's year-round climate.

Daytime high
36°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
20 mm
2.9 wet days
Daylight
12 h 24 min
5:15 AM – 5:40 PM
Cloud cover
53%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
6.66 kWh/m²
Travel score
2.5
out of 10

Piancó 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 36°C through the month.

A typical December day in Piancó reaches about 36°C in the afternoon and slips back to 24°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 38°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13624
23624
33624
43624
53624
63624
73624
83624
93624
103624
113624
123624
133624
143624
153624
163624
173624
183624
193624
203624
213624
223624
233624
243624
253624
263524
273524
283524
293524
303524
313524

How December really feels in Piancó

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.

Piancó weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°829.512.42.8
Feb34° / 24°10110.812.23.0
Mar33° / 24°14214.1123.1
Apr33° / 23°9410.611.83.5
May33° / 23°436.611.74.0
Jun32° / 22°163.311.64.7
Jul32° / 21°61.411.64.8
Aug33° / 21°40.411.84.2
Sep35° / 22°10.2123.1
Oct36° / 23°60.812.22.5
Nov36° / 24°6112.32.4
Dec36° / 24°202.912.42.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66535
76535
86535
96436
106436
116436
126337
136337
146238
156238
166139
176139
186040
196040
205941
215941
225842
235842
245842
255743
265743
275743
285743
295644
305644
315545

Chance of precipitation in December

Any precipitation

Piancó gets around 20 mm of rain over 2.9 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 10% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
45
55
65
75
86
96
107
117
128
138
149
159
169
1710
1810
1911
2011
2112
2212
2313
2413
2514
2614
2715
2815
2916
3017
3117

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 28% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12062162
22063152
32063152
42063152
52061163
62061163
72061163
81961173
91961173
101860184
111760194
121660204
131659214
141559224
151557244
161457254
171456264
181455274
191454284
201354294
211353304
221353304
231352314
241351315
251252315
261251316
271250317
281249317
291249318
301249319
311149309

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 24 min at the start of December to 12 h 24 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 5:10 AM to 5:22 AM, and sunset from 5:33 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:105:33
212.45:105:34
312.45:105:34
412.45:115:35
512.45:115:35
612.45:115:35
712.45:125:36
812.45:125:36
912.45:135:37
1012.45:135:37
1112.45:135:38
1212.45:145:38
1312.45:145:39
1412.45:155:39
1512.45:155:40
1612.45:155:40
1712.45:165:41
1812.45:165:41
1912.45:175:42
2012.45:175:42
2112.45:185:43
2212.45:185:43
2312.45:195:44
2412.45:195:44
2512.45:205:45
2612.45:205:45
2712.45:215:46
2812.45:215:46
2912.45:225:46
3012.45:225:47
3112.45:225:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.66 kWh/m².

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 7.07 kWh/m² in October across the year — December's 6.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.4Intense
Planning a trip in December

Hazard calendar for Piancó

In seasonPeak

None of Piancó's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Piancó's rainy season runs January–April, 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 Piancó?

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

2.5
Sightseeing
10th-best month of the year
5.8
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Piancó.

What to pack for Piancó in December

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

In December, Piancó sees daytime highs around 36°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Piancó 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 Piancó peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Jul 17UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Piancó?

Piancó sits at 7.2°S, 37.9°W, 268 m above sea level, in Brazil. The nearest listed city is Itaporanga, 27 km away.

Topography around Piancó

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

Within 3 km, the terrain around Piancó has only modest variations in elevation — a maximum elevation change of 196 m around an average of 270 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 391 m; within 80 km, large variations in elevation — a maximum elevation change of 1,017 m.

The land around Piancó is covered by grassland (47%) and shrubs (37%) within 3 km, shrubs (67%) and grassland (24%) within 16 km, and shrubs (65%) and grassland (21%) within 80 km.

3 km
196 m
16 km
391 m
80 km
1,017 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Itaporanga 27 km · Pombal 50 km · Sousa 59 km · Princesa Isabel 60 km · Tabira 61 km · São José de Piranhas 64 km · Carnaíba 69 km · Afogados da Ingazeira 69 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 Piancó (-7.1981°, -37.9292°, elevation 268 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).