Plácido de Castro in Spring

In spring (September, October and November), Plácido de Castro sees average daytime highs around 32°C and overnight lows near 23°C, with 473 mm of rain over about 58 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Over the season highs ease from about 33°C in early September to 31°C by late November. The sky is clear or mostly clear about 14% of the time across spring, and the air most often feels oppressive.

Spring is Plácido de Castro's 3rd-best season to visit on our travel score. For the whole year in context, see Plácido de Castro's year-round climate.

Avg daytime high
32°C
warmest season of the year
Avg overnight low
23°C
Rainfall
473 mm
58 wet days
Avg wind
6 km/h
Travel score
2.9
3rd-best season
Months
Sep · Oct · Nov

Temperature in Plácido de Castro in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 33°C in early September to 31°C by late November.

A typical spring day in Plácido de Castro reaches about 32°C and drops to 23°C overnight. The warmest of the three months is September, the coolest September.

15°20°25°30°35°40°SepOctNov

How spring really feels in Plácido de Castro

Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
91
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Plácido de Castro weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

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 Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Plácido de Castro gets around 473 mm of rain over 58 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Spring

Winds average 6 km/h across spring.

0246810SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 48 min in early September to 12 h 36 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.4 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Plácido de Castro

In seasonPeak

In spring, Plácido de Castro overlaps 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 spring a good time to visit Plácido de Castro?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.9
Sightseeing
3rd-best month of the year
4.8
Beach & pool
2nd-best month of the year

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

What to pack for Plácido de Castro in Spring

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

In spring, 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 58 days see rain.

light clothesrain gearsun protection

UV index in Plácido de Castro in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 10 (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 Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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
Spring 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.