Piracaia weather in October

In October, Piracaia sees average daytime highs of 25°C and overnight lows near 16°C, with 154 mm of rain across 15.9 wet days and about 12.5 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 21% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 54 min by month's end. Set against the rest of the year, October is Piracaia's 8th-clearest and 2nd-windiest month. For the whole year in context, see Piracaia's year-round climate.

Daytime high
25°
6th warmest
Overnight low
16°
7th coldest
Rainfall
154 mm
15.9 wet days
Daylight
12 h 30 min
6:34 AM – 7:07 PM
Cloud cover
68%
8th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.41 kWh/m²
Travel score
5.8
out of 10

Piracaia is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical October day in Piracaia reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, October runs on par with September and on par with November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42515
52515
62515
72515
82515
92515
102515
112515
122516
132516
142516
152516
162516
172516
182516
192516
202516
212516
222516
232516
242516
252516
262516
272516
282516
292516
302516
312516

Piracaia weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°31724.813.34.3
Feb27° / 18°25520.712.84.5
Mar26° / 17°21120.812.25.0
Apr25° / 16°8311.511.56.7
May22° / 13°678.110.97.1
Jun22° / 12°455.310.67.5
Jul22° / 11°494.710.77.7
Aug23° / 12°405.311.27.9
Sep24° / 14°9810.311.97.0
Oct25° / 16°15415.912.55.8
Nov25° / 16°19918.313.15.3
Dec26° / 18°26222.913.44.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53862
63862
73862
83862
93763
103763
113862
123763
133664
143664
153664
163565
173565
183565
193466
203466
213466
223466
233367
243367
253268
263367
273367
283268
293268
303169
313268

Chance of precipitation in October

Any precipitation

Piracaia gets around 154 mm of rain over 15.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 56% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
547
647
746
847
947
1047
1148
1249
1349
1450
1551
1652
1753
1854
1955
2055
2156
2256
2356
2456
2556
2656
2756
2856
2956
3056
3156

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the humid band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12642320
22541330
32441350
42341361
52240371
62140381
72039401
82038411
91938421
101837441
111836452
121735462
131734472
141633483
151533493
161532503
171432504
181331515
191231525
201231516
211131517
221131517
231131508
241131508
251131499
261131499
2711324810
2810324810
2910324710
3010334710
3110334710

Wind in October

Winds average 9 km/h in October.

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

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 6:48 AM to 6:23 AM, and sunset from 7:01 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:487:01
212.26:477:01
312.36:467:01
412.36:457:02
512.36:447:02
612.36:437:03
712.36:427:03
812.46:417:03
912.46:407:04
1012.46:397:04
1112.46:387:05
1212.56:387:05
1312.56:377:05
1412.56:367:06
1512.56:357:06
1612.56:347:07
1712.66:337:07
1812.66:327:08
1912.66:327:08
2012.66:317:09
2112.76:307:09
2212.76:297:10
2312.76:297:10
2412.76:287:11
2512.76:277:11
2612.86:277:12
2712.86:267:12
2812.86:257:13
2912.86:257:13
3012.86:247:14
3112.96:237:15

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.41 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 5.54 kWh/m² in November across the year — October's 5.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in October

Hazard calendar for Piracaia

In seasonPeak

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

Piracaia'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 October a good time to visit Piracaia?

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

5.8
Sightseeing
7th-best month of the year
5.2
Beach & pool
4th-best month of the year

October is a reasonable time to visit Piracaia for sightseeing.

What to pack for Piracaia in October

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

In October, Piracaia sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Piracaia in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Piracaia 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 Piracaia in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Piracaia 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 Piracaia?

Piracaia sits at 23.1°S, 46.4°W, 822 m above sea level, in Brazil. The nearest listed city is Bom Jesus dos Perdões, 14 km away.

Topography around Piracaia

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

Within 3 km, the terrain around Piracaia has significant variations in elevation — a maximum elevation change of 309 m around an average of 859 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 889 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Piracaia is covered by grassland (59%) and trees (28%) within 3 km, trees (51%) and grassland (37%) within 16 km, and trees (48%) and grassland (35%) within 80 km.

3 km
309 m
16 km
889 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Bom Jesus dos Perdões 14 km · Nazaré Paulista 15 km · Atibaia 21 km · Bragança Paulista 22 km · Extrema 23 km · Santa Isabel 32 km · Bairro da Penha 35 km · Mairiporã 38 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 Piracaia (-23.0539°, -46.3581°, elevation 822 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).