Pedreira weather in December

In December, Pedreira sees average daytime highs of 26°C and overnight lows near 19°C, with 222 mm of rain across 23.2 wet days and about 13.4 hours of daylight. It is the 4th-warmest and 3rd-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 10% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Pedreira's 9th-clearest and 4th-windiest month. For the whole year in context, see Pedreira's year-round climate.

Daytime high
26°
4th warmest
Overnight low
19°
9th coldest
Rainfall
222 mm
23.2 wet days
Daylight
13 h 30 min
6:19 AM – 7:46 PM
Cloud cover
77%
9th clearest
Wind
10 km/h
4th windiest
Solar energy
5.7 kWh/m²
Travel score
4.5
out of 10

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 Pedreira reaches about 26°C in the afternoon and slips back to 19°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 30°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122618
132618
142618
152618
162619
172619
182619
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

Pedreira weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°28826.313.34.0
Feb27° / 19°24022.412.84.2
Mar26° / 19°21923.512.24.5
Apr25° / 17°9414.211.56.1
May23° / 14°7610.610.96.6
Jun22° / 13°607.410.67.1
Jul22° / 12°687.510.77.1
Aug23° / 13°51711.27.3
Sep24° / 14°10812.611.96.4
Oct24° / 16°13816.812.65.6
Nov25° / 17°18620.113.15.0
Dec26° / 19°22223.213.44.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
62080
71981
81981
92080
102179
112179
122278
132278
142278
152179
162179
172278
182377
192476
202377
212377
222377
232377
242278
252278
262080
271981
281981
291981
301882
311882

Chance of precipitation in December

Any precipitation

Pedreira gets around 222 mm of rain over 23.2 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 75% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
269
370
470
571
672
772
873
973
1073
1174
1274
1375
1475
1575
1676
1776
1877
1977
2077
2177
2277
2377
2478
2578
2679
2779
2880
2980
3081
3181

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11239481
21138501
31037521
41037521
51036531
6935551
7934561
8833581
9832582
10831592
11730612
12729622
13629632
14628642
15627643
16527653
17526663
18526663
19525664
20424684
21424684
22423685
23322705
24322705
25321706
26320716
27220717
28219727
29219727
30218728
31218728

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 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
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 24 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 0 minutes over December. Sunrise moves from 6:16 AM to 6:26 AM, and sunset from 7:37 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:167:37
213.46:167:38
313.46:167:38
413.46:167:39
513.46:167:40
613.46:167:40
713.46:167:41
813.46:177:42
913.46:177:42
1013.46:177:43
1113.46:177:44
1213.46:187:44
1313.46:187:45
1413.46:187:45
1513.56:197:46
1613.56:197:46
1713.56:207:47
1813.56:207:47
1913.56:207:48
2013.56:217:48
2113.56:217:49
2213.56:227:49
2313.56:227:50
2413.56:237:50
2513.56:237:51
2613.56:247:51
2713.56:247:52
2813.56:257:52
2913.56:257:52
3013.46:267:53
3113.46:267:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.7 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.22 kWh/m² to a high of 5.7 kWh/m² in December across the year — December's 5.7 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in December

Hazard calendar for Pedreira

In seasonPeak

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

Pedreira'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 Pedreira?

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

4.5
Sightseeing
9th-best month of the year
4.4
Beach & pool
10th-best month of the year

December is a reasonable time to visit Pedreira for sightseeing.

What to pack for Pedreira in December

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

In December, Pedreira sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

Sea temperature near Pedreira 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 47 km away) is warmest in February at about 27°C and coldest in August near 20°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
Aug20Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Pedreira 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 Pedreira peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug8Very high
Sep8Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Pedreira 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 Pedreira is worst in July — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (February, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1451 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb24Moderate
Mar26Moderate
Apr28Moderate
May36Poor
Jun49Poor
Jul52Poor
Aug47Poor
Sep41Poor
Oct31Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Pedreira?

Pedreira sits at 23.7°S, 46.6°W, 770 m above sea level, in Brazil. The nearest listed city is Diadema, 4.0 km away.

Topography around Pedreira

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

Within 3 km, the terrain around Pedreira has only modest variations in elevation — a maximum elevation change of 142 m around an average of 770 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.

The land around Pedreira is covered by artificial surfaces (49%), water (24%) and trees (22%) within 3 km, artificial surfaces (56%) and trees (27%) within 16 km, and trees (55%) and water (20%) within 80 km.

3 km
142 m
16 km
244 m
80 km
1,434 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Diadema 4.0 km · Cidade Ademar 4.0 km · Campo Grande 5.0 km · Cidade Dutra 6.0 km · Jabaquara 6.0 km · Grajaú 7.0 km · São Bernardo do Campo 9.0 km · Santo Amaro 9.0 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 Pedreira (-23.7067°, -46.6498°, elevation 770 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).