Piratininga weather in December

In December, Piratininga sees average daytime highs of 29°C and overnight lows near 20°C, with 186 mm of rain across 19.2 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 18% 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 Piratininga's 11th-clearest and 6th-windiest month. For the whole year in context, see Piratininga's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
20°
10th coldest
Rainfall
186 mm
19.2 wet days
Daylight
13 h 24 min
6:32 AM – 7:54 PM
Cloud cover
70%
11th clearest
Wind
9 km/h
6th windiest
Solar energy
5.89 kWh/m²
Travel score
4.1
out of 10

Piratininga is human settlement in Brazil, Piratininga.

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 29°C through the month.

A typical December day in Piratininga reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
213020
223020
233020
243020
253020
263021
272921
282921
292921
302921
312921

Piratininga weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°24122.213.23.8
Feb30° / 21°18818.712.83.9
Mar29° / 20°12916.812.24.6
Apr28° / 18°607.511.56.5
May25° / 15°586.110.97.6
Jun25° / 14°444.810.78.1
Jul25° / 14°323.910.88.3
Aug27° / 15°353.611.27.9
Sep28° / 17°707.911.96.3
Oct29° / 18°11912.612.55.1
Nov29° / 19°14214.813.14.7
Dec29° / 20°18619.213.34.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33367
43367
53268
63268
73268
83169
93169
103367
113268
123367
133367
143367
153565
163565
173565
183664
193664
203664
213664
223664
233466
243466
253466
263367
273169
283070
293070
302971
312971

Chance of precipitation in December

Any precipitation

Piratininga gets around 186 mm of rain over 19.2 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 63% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
254
355
456
557
658
759
859
960
1061
1161
1262
1363
1463
1564
1664
1764
1865
1965
2065
2165
2265
2365
2466
2566
2667
2767
2868
2968
3068
3168

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1111255211
2110255212
319245313
419235314
518235315
618225316
717225317
817215417
917215318
1007215418
1106215419
1206215419
1306205519
1406205519
1506205519
1605205520
1705205520
1805205520
1905205520
2005195620
2104195621
2204195621
2304185622
2403185722
2503175723
2603175624
2702165725
2802165725
2902165626
3002155627
3102155627

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 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
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:28 AM to 6:39 AM, and sunset from 7:45 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:287:45
213.36:287:45
313.36:287:46
413.36:287:46
513.36:297:47
613.36:297:48
713.36:297:48
813.36:297:49
913.36:307:50
1013.36:307:50
1113.36:307:51
1213.46:307:51
1313.46:317:52
1413.46:317:53
1513.46:317:53
1613.46:327:54
1713.46:327:54
1813.46:337:55
1913.46:337:55
2013.46:337:56
2113.46:347:56
2213.46:347:57
2313.46:357:57
2413.46:357:58
2513.46:367:58
2613.46:367:58
2713.46:377:59
2813.46:377:59
2913.46:388:00
3013.46:388:00
3113.46:398:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.89 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 6.02 kWh/m² in November across the year — December's 5.89 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Piratininga

In seasonPeak

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

Piratininga'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 Piratininga?

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

4.1
Sightseeing
10th-best month of the year
5.4
Beach & pool
10th-best month of the year

December is a reasonable time to visit Piratininga for sightseeing.

What to pack for Piratininga in December

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

In December, Piratininga sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Piratininga 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 Piratininga peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 22UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Piratininga 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 Piratininga is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1420 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr9Good
May11Good
Jun11Good
Jul11Good
Aug17Moderate
Sep20Moderate
Oct15Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Piratininga?

Piratininga sits at 22.4°S, 49.1°W, 530 m above sea level, in Brazil. The nearest listed city is Bauru, 13 km away.

Topography around Piratininga

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

Within 3 km, the terrain around Piratininga has only modest variations in elevation — a maximum elevation change of 176 m around an average of 551 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 272 m; within 80 km, significant variations in elevation — a maximum elevation change of 520 m.

The land around Piratininga is covered by trees (35%), cropland (29%) and grassland (28%) within 3 km, trees (47%) and cropland (25%) within 16 km, and cropland (49%) and trees (34%) within 80 km.

3 km
176 m
16 km
272 m
80 km
520 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Bauru 13 km · Agudos 16 km · Pederneiras 38 km · Lençóis Paulista 40 km · Macatuba 45 km · Bariri 55 km · Pirajuí 57 km · Garça 58 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 Piratininga (-22.4128°, -49.1347°, elevation 530 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).