Bairro da Penha weather in December

In December, Bairro da Penha sees average daytime highs of 27°C and overnight lows near 19°C, with 183 mm of rain across 20.4 wet days and about 13.4 hours of daylight. It is the 3rd-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 14% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Bairro da Penha's 11th-clearest and 4th-windiest month. For the whole year in context, see Bairro da Penha's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
183 mm
20.4 wet days
Daylight
13 h 24 min
6:18 AM – 7:44 PM
Cloud cover
73%
11th clearest
Wind
8 km/h
4th windiest
Solar energy
5.54 kWh/m²
Travel score
4.8
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 Bairro da Penha reaches about 27°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

Bairro da Penha weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°23522.813.34.4
Feb28° / 19°18119.212.84.6
Mar27° / 18°14919.112.25.1
Apr26° / 17°629.911.56.7
May23° / 14°597.610.97.3
Jun23° / 12°405.110.67.7
Jul23° / 12°45510.77.8
Aug24° / 12°365.211.27.9
Sep25° / 15°8110.211.96.8
Oct26° / 16°11414.512.55.8
Nov26° / 17°15016.813.15.4
Dec27° / 19°18320.413.44.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32971
42872
52872
62674
72674
82773
92773
102773
112674
122674
132674
142773
152872
162872
172872
182872
192872
202971
212971
222971
232971
242872
252872
262872
272674
282674
292674
302575
312575

Chance of precipitation in December

Any precipitation

Bairro da Penha gets around 183 mm of rain over 20.4 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 66% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
161
262
362
463
563
663
764
864
964
1064
1165
1265
1365
1466
1566
1666
1766
1867
1967
2067
2167
2268
2368
2468
2569
2669
2770
2870
2970
3071
3171

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11242451
21141471
31041481
41040501
5939511
6938521
7837541
8837550
9736570
10735580
11734590
12634600
13633610
14633610
15632620
16531640
17531640
18530650
19530650
20429670
21428680
22427681
23327691
24326701
25325711
26224731
27224722
28223732
29223732
30122752
31122752

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 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
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 13 h 18 min at the start of December to 13 h 24 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 6:15 AM to 6:26 AM, and sunset from 7:35 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:157:35
213.36:157:36
313.46:157:36
413.46:157:37
513.46:157:38
613.46:167:38
713.46:167:39
813.46:167:40
913.46:167:40
1013.46:177:41
1113.46:177:41
1213.46:177:42
1313.46:177:43
1413.46:187:43
1513.46:187:44
1613.46:187:44
1713.46:197:45
1813.46:197:45
1913.46:207:46
2013.46:207:46
2113.46:217:47
2213.46:217:47
2313.46:227:48
2413.46:227:48
2513.46:237:49
2613.46:237:49
2713.46:247:50
2813.46:247:50
2913.46:257:50
3013.46:257:51
3113.46:267:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.54 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 5.54 kWh/m² in December across the year — December's 5.54 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Bairro da Penha

In seasonPeak

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

Bairro da Penha's rainy season runs October–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 Bairro da Penha?

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

4.8
Sightseeing
10th-best month of the year
4.9
Beach & pool
11th-best month of the year

December is a reasonable time to visit Bairro da Penha for sightseeing.

What to pack for Bairro da Penha in December

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

In December, Bairro da Penha sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Bairro da Penha in December

The nearest coast averages about 25°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 59 km away) is warmest in February at about 27°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Bairro da Penha 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 Bairro da Penha peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Bairro da Penha 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 Bairro da Penha is worst in June — around 71 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (December, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 2370 µg/m³Dec 2031 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar41Poor
Apr48Poor
May62Unhealthy
Jun71Unhealthy
Jul70Unhealthy
Aug60Unhealthy
Sep53Poor
Oct39Poor
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Bairro da Penha?

Bairro da Penha sits at 23.4°S, 46.3°W, 823 m above sea level, in Brazil. The nearest listed city is Arujá, 3.0 km away.

Topography around Bairro da Penha

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

Within 3 km, the terrain around Bairro da Penha has significant variations in elevation — a maximum elevation change of 294 m around an average of 787 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 837 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,045 m.

The land around Bairro da Penha is covered by trees (60%) and grassland (24%) within 3 km, trees (60%) and grassland (22%) within 16 km, and trees (54%) and grassland (22%) within 80 km.

3 km
294 m
16 km
837 m
80 km
2,045 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Arujá 3.0 km · Bairro Parque Nossa Senhora do Carmo 4.0 km · Santa Isabel 11 km · Itaquaquecetuba 14 km · Jardim Helena 17 km · Itaim Paulista 17 km · Poá 18 km · São Miguel 19 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 Bairro da Penha (-23.3684°, -46.311°, elevation 823 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).