Plácido de Castro weather in October

In October, Plácido de Castro sees average daytime highs of 32°C and overnight lows near 23°C, with 161 mm of rain across 21 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 10% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Plácido de Castro's 6th-clearest and 6th-windiest month. For the whole year in context, see Plácido de Castro's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
23°
9th coldest
Rainfall
161 mm
21 wet days
Daylight
12 h 12 min
5:07 AM – 5:21 PM
Cloud cover
75%
6th clearest
Wind
6 km/h
6th windiest
Solar energy
5.51 kWh/m²
Travel score
2.8
out of 10

Plácido de Castro 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 32°C through the month.

A typical October day in Plácido de Castro reaches about 32°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 29°C and 35°C. Set against its neighbours, October runs about 1°C cooler than September and about 1°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13323
23323
33323
43323
53323
63323
73323
83323
93323
103323
113323
123323
133323
143323
153323
163323
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How October really feels in Plácido de Castro

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.

Plácido de Castro weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25926.712.52.8
Feb30° / 23°25024.512.32.8
Mar30° / 23°26326.912.12.8
Apr30° / 23°17322.711.83.2
May30° / 22°8816.511.54.3
Jun30° / 21°418.111.45.2
Jul31° / 20°244.711.55.1
Aug33° / 21°457.311.73.9
Sep33° / 22°8913.611.93.1
Oct32° / 23°1612112.22.8
Nov31° / 23°22323.712.52.8
Dec31° / 23°26126.512.62.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33763
43664
53664
63664
73466
83466
93466
103268
113268
123169
133070
143070
152872
162674
172674
182476
192377
202278
212179
222080
231981
241783
251684
261684
271684
281585
291486
301486
311486

Chance of precipitation in October

Any precipitation

Plácido de Castro gets around 161 mm of rain over 21 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 67% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
259
359
460
560
661
761
862
962
1062
1163
1263
1364
1464
1565
1666
1767
1868
1969
2070
2171
2271
2372
2473
2573
2674
2774
2875
2975
3075
3175

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1128827
2128818
3128818
4127819
51278010
61178011
71178011
80168112
90168013
100168013
110167914
120158014
130157915
140147916
150048016
160047917
170037918
180037918
190037819
200027919
210027820
220027820
230027820
240027820
250027820
260027820
270027820
280027820
290037720
300137719
310137719

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 h 06 min at the start of October to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 5:15 AM to 5:01 AM, and sunset from 5:20 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:155:20
212.15:145:20
312.15:145:20
412.15:135:20
512.15:135:20
612.15:125:20
712.15:115:20
812.25:115:20
912.25:105:20
1012.25:105:20
1112.25:095:20
1212.25:095:21
1312.25:085:21
1412.25:085:21
1512.25:075:21
1612.25:075:21
1712.25:065:21
1812.35:065:21
1912.35:055:21
2012.35:055:21
2112.35:055:21
2212.35:045:21
2312.35:045:22
2412.35:035:22
2512.35:035:22
2612.35:035:22
2712.35:025:22
2812.35:025:23
2912.35:025:23
3012.45:025:23
3112.45:015:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.51 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 5.56 kWh/m² in September across the year — October's 5.51 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
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Hazard calendar for Plácido de Castro

In seasonPeak

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

Plácido de Castro's rainy season runs October–April, 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 Plácido de Castro?

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

2.8
Sightseeing
7th-best month of the year
4.7
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Plácido de Castro.

What to pack for Plácido de Castro in October

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

In October, Plácido de Castro sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Plácido de Castro 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 Plácido de Castro peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 21UV 15Sep 12UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Plácido de Castro 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 Plácido de Castro is worst in September — around 60 µg/m³ PM2.5 (unhealthy), about 7.8× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodSep 1457 µg/m³Jun 98 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun8Good
Jul12Good
Aug37Poor
Sep60Unhealthy
Oct23Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Plácido de Castro?

Plácido de Castro sits at 10.3°S, 67.2°W, 136 m above sea level, in Brazil. The nearest listed city is Senador Guiomard, 64 km away.

Topography around Plácido de Castro

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

Within 3 km, the terrain around Plácido de Castro has only modest variations in elevation — a maximum elevation change of 51 m around an average of 135 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 112 m; within 80 km, only modest variations in elevation — a maximum elevation change of 133 m.

The land around Plácido de Castro is covered by trees (71%) and grassland (24%) within 3 km, trees (74%) and grassland (26%) within 16 km, and trees (74%) and grassland (26%) within 80 km.

3 km
51 m
16 km
112 m
80 km
133 m
treesgrasslandartificial surfaces
October weather nearby: Senador Guiomard 64 km · Rio Branco 79 km · Porto Acre 91 km · Riberalta 145 km · Xapuri 148 km · Boca do Acre 178 km · Epitaciolândia 187 km · Brasiléia 187 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 Plácido de Castro (-10.3353°, -67.1856°, elevation 136 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).