Plácido de Castro in Fall

In fall (March, April and May), Plácido de Castro sees average daytime highs around 30°C and overnight lows near 22°C, with 524 mm of rain over about 66 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.

Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 7% of the time across fall, and the air most often feels oppressive.

Fall is Plácido de Castro's 2nd-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
30°C
coldest season of the year
Avg overnight low
22°C
Rainfall
524 mm
66 wet days
Avg wind
5 km/h
Travel score
3.4
2nd-best season
Months
Mar · Apr · May

Temperature in Plácido de Castro in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 30°C.

A typical fall day in Plácido de Castro reaches about 30°C and drops to 22°C overnight. The warmest of the three months is March, the coolest May.

15°20°25°30°35°MarAprMay

How fall really feels in Plácido de Castro

Once humidity and wind are folded in, fall brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
92
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Plácido de Castro weather by month

How the three fall months (March, April and May) 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 Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

Plácido de Castro gets around 524 mm of rain over 66 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%MarAprMay

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Fall

Winds average 5 km/h across fall.

0246810MarAprMay

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 12 min in early March to 11 h 24 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.4 kWh/m².

024MarAprMay
Planning a trip in fall

Hazard calendar for Plácido de Castro

In seasonPeak

In fall, 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 fall a good time to visit Plácido de Castro?

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

3.4
Sightseeing
2nd-best month of the year
4.8
Beach & pool
3rd-best month of the year

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

What to pack for Plácido de Castro in Fall

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

In fall, Plácido de Castro sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 66 days see rain.

light clothesrain gearsun protection

UV index in Plácido de Castro in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages 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 Fall

GoodModeratePoorUnhealthyVery unhealthy

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