Passa Quatro weather in October

In October, Passa Quatro sees average daytime highs of 26°C and overnight lows near 16°C, with 129 mm of rain across 15.5 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 6th-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 19% 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 48 min by month's end. Set against the rest of the year, October is Passa Quatro's 7th-clearest and 2nd-windiest month. For the whole year in context, see Passa Quatro's year-round climate.

Daytime high
26°
5th warmest
Overnight low
16°
6th coldest
Rainfall
129 mm
15.5 wet days
Daylight
12 h 30 min
6:29 AM – 7:01 PM
Cloud cover
69%
7th clearest
Wind
5 km/h
2nd windiest
Solar energy
5.31 kWh/m²
Travel score
5.8
out of 10

Passa Quatro 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 26°C through the month.

A typical October day in Passa Quatro reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°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)
12515
22515
32515
42515
52515
62515
72515
82516
92616
102616
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292617
302617
312617

Passa Quatro weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°27323.913.24.3
Feb27° / 18°19119.512.84.7
Mar26° / 17°18520.312.25.0
Apr25° / 16°6810.811.56.6
May23° / 13°487.310.97.2
Jun22° / 12°29510.77.7
Jul22° / 11°305.110.87.8
Aug24° / 12°32511.28.0
Sep25° / 14°7910.611.96.8
Oct26° / 16°12915.512.55.8
Nov26° / 17°18819.313.15.1
Dec27° / 18°24222.713.34.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33862
43862
53763
63763
73763
83763
93763
103763
113763
123763
133664
143565
153466
163466
173565
183466
193466
203367
213367
223268
233268
243268
253169
263169
273169
283169
293169
302971
312971

Chance of precipitation in October

Any precipitation

Passa Quatro gets around 129 mm of rain over 15.5 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 50% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
146
246
346
445
544
644
743
843
943
1043
1144
1244
1345
1446
1547
1648
1749
1851
1952
2053
2155
2256
2357
2457
2558
2659
2759
2860
2960
3060
3161

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12240371
22139381
32039391
42039401
51939412
61838412
71838422
81738432
91737443
101636453
111636453
121535464
131535474
141434484
151334485
161233495
171133515
181033516
191032526
20932527
21832537
22832528
23832528
24832528
25832519
26831529
27831529
288315110
298315110
307305211
317305211

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:43 AM to 6:19 AM, and sunset from 6:55 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:436:55
212.26:426:55
312.26:416:56
412.36:406:56
512.36:396:56
612.36:386:57
712.36:376:57
812.46:366:57
912.46:356:58
1012.46:346:58
1112.46:336:59
1212.46:326:59
1312.56:326:59
1412.56:317:00
1512.56:307:00
1612.56:297:01
1712.56:287:01
1812.66:277:02
1912.66:277:02
2012.66:267:03
2112.66:257:03
2212.76:247:03
2312.76:247:04
2412.76:237:04
2512.76:227:05
2612.76:227:05
2712.76:217:06
2812.86:207:07
2912.86:207:07
3012.86:197:08
3112.86:197:08

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.31 kWh/m².

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 5.55 kWh/m² in February across the year — October's 5.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Hazard calendar for Passa Quatro

In seasonPeak

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

Passa Quatro'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 Passa Quatro?

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
5.4
Beach & pool
7th-best month of the year

October is a reasonable time to visit Passa Quatro for sightseeing.

What to pack for Passa Quatro in October

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

In October, Passa Quatro sees daytime highs around 26°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 Passa Quatro in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Passa Quatro peaks around February 8 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 highExtremeFeb 8UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Passa Quatro 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 Passa Quatro is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Dec 209 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep19Moderate
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Passa Quatro?

Passa Quatro sits at 22.4°S, 45.0°W, 924 m above sea level, in Brazil. The nearest listed city is Itanhandu, 11 km away.

Topography around Passa Quatro

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

Within 3 km, the terrain around Passa Quatro has significant variations in elevation — a maximum elevation change of 378 m around an average of 1,026 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,245 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Passa Quatro is covered by trees (48%) and grassland (45%) within 3 km, trees (56%) and grassland (40%) within 16 km, and trees (49%) and grassland (44%) within 80 km.

3 km
378 m
16 km
2,245 m
80 km
2,761 m
treesgrasslandcroplandartificial surfaces
October weather nearby: Itanhandu 11 km · Cruzeiro 20 km · Cachoeira Paulista 31 km · São Lourenço 32 km · Lorena 41 km · Itatiaia 43 km · Caxambu 46 km · Baependi 49 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 Passa Quatro (-22.3903°, -44.9667°, elevation 924 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).