Placas weather in October

In October, Placas sees average daytime highs of 34°C and overnight lows near 23°C, with 78 mm of rain across 13.8 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 23% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 12 h 06 min by month's end. Set against the rest of the year, October is Placas's 5th-clearest and 3rd-windiest month. For the whole year in context, see Placas's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
23°
12th coldest
Rainfall
78 mm
13.8 wet days
Daylight
12 h 06 min
6:19 AM – 6:25 PM
Cloud cover
64%
5th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.92 kWh/m²
Travel score
2.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical October day in Placas reaches about 34°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153423
163423
173323
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293323
303323
313323

How October really feels in Placas

Once humidity and wind are folded in, October averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Placas weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23526.512.22.9
Feb30° / 22°24725.412.12.9
Mar30° / 22°29128.7122.8
Apr30° / 22°25027.511.92.7
May30° / 22°17124.911.83.1
Jun31° / 22°591411.84.1
Jul32° / 22°379.511.84.1
Aug34° / 22°296.611.93.5
Sep34° / 23°458.9123.0
Oct34° / 23°7813.812.12.9
Nov33° / 23°1151812.22.9
Dec31° / 23°15921.612.23.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35149
45050
55050
64951
74852
84852
94753
104753
114654
124555
134456
144357
154258
164159
174159
184159
193961
203961
213862
223862
233763
243763
253664
263664
273664
283466
293466
303367
313367

Chance of precipitation in October

Any precipitation

Placas gets around 78 mm of rain over 13.8 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 45% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
136
237
337
438
539
639
740
840
941
1041
1142
1243
1344
1444
1545
1645
1746
1846
1946
2047
2147
2248
2348
2449
2549
2650
2751
2851
2952
3053
3153

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1023770
2022780
3022780
4021781
5020791
6020791
7019801
8019801
9018811
10018811
11017821
12017821
13016831
14016831
15015841
16015841
17014851
18014851
19014851
20014851
21013861
22013861
23112861
24112861
25112861
26111871
27111871
28110872
29110872
3019882
3119882

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 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
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over October. Sunrise moves from 6:25 AM to 6:16 AM, and sunset from 6:27 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:256:27
212.06:246:27
312.06:246:26
412.06:246:26
512.06:236:26
612.16:236:26
712.16:226:26
812.16:226:26
912.16:226:25
1012.16:216:25
1112.16:216:25
1212.16:216:25
1312.16:206:25
1412.16:206:25
1512.16:206:25
1612.16:196:25
1712.16:196:24
1812.16:196:24
1912.16:186:24
2012.16:186:24
2112.16:186:24
2212.16:186:24
2312.16:186:24
2412.16:176:24
2512.16:176:24
2612.16:176:24
2712.16:176:24
2812.16:176:24
2912.16:176:24
3012.16:166:24
3112.16:166:24

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.92 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.95 kWh/m² in September across the year — October's 5.92 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in October

Hazard calendar for Placas

In seasonPeak

None of Placas's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Placas's rainy season runs December–May, 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 Placas?

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

2.9
Sightseeing
7th-best month of the year
5.5
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Placas.

What to pack for Placas in October

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

In October, Placas sees daytime highs around 34°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Placas 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 Placas peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 17 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeFeb 21UV 15Nov 17UV 10
UV index (midday)Level
Jan13Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec11Extreme

Air quality in Placas 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 Placas is worst in October — around 59 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (June, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorUnhealthyModerateOct 2258 µg/m³Jun 208 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar13Moderate
Apr12Good
May10Good
Jun8Good
Jul9Good
Aug15Moderate
Sep35Moderate
Oct59Unhealthy
Nov55Poor
Dec24Moderate
Location & terrain

Where is Placas?

Placas sits at 3.9°S, 54.2°W, 104 m above sea level, in Brazil. The nearest listed city is Uruará, 56 km away.

Topography around Placas

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

Within 3 km, the terrain around Placas has only modest variations in elevation — a maximum elevation change of 87 m around an average of 101 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 341 m; within 80 km, significant variations in elevation — a maximum elevation change of 444 m.

The land around Placas is covered by trees (48%) and grassland (48%) within 3 km, trees (71%) and grassland (29%) within 16 km, and trees (85%) within 80 km.

3 km
87 m
16 km
341 m
80 km
444 m
treesgrasslandartificial surfaces
October weather nearby: Uruará 56 km · Rurópolis 81 km · Aveiro 127 km · Mojuí dos Campos 140 km · Medicilândia 155 km · Belterra 158 km · Santarém 167 km · Brasil Novo 197 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 Placas (-3.8678°, -54.22°, elevation 104 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).