Humaitá in Spring

In spring (September, October and November), Humaitá sees average daytime highs around 31°C and overnight lows near 24°C, with 539 mm of rain over about 66 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Across spring, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 12% of the time across spring, and the air most often feels miserable.

Spring is Humaitá's 2nd-best season to visit on our travel score. Humaitá has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Humaitá's year-round climate.

Avg daytime high
31°C
warmest season of the year
Avg overnight low
24°C
Rainfall
539 mm
66 wet days
Avg wind
5 km/h
Travel score
2.9
2nd-best season
Months
Sep · Oct · Nov

Temperature in Humaitá in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 31°C.

A typical spring day in Humaitá reaches about 31°C and drops to 24°C overnight. The warmest of the three months is September, the coolest November.

20°25°30°35°SepOctNov

How spring really feels in Humaitá

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
43 feel dangerously hot (≥ 39°C)
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.

Humaitá 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° / 24°33029.212.42.7
Feb30° / 24°30926.412.22.7
Mar30° / 24°32129.212.12.7
Apr30° / 24°25527.111.82.8
May30° / 24°17424.311.73.3
Jun30° / 24°681311.64.5
Jul31° / 23°346.911.65.0
Aug32° / 24°569.511.84.0
Sep32° / 24°12317.9123.2
Oct32° / 24°18322.812.22.9
Nov31° / 24°23425.712.32.7
Dec30° / 24°29928.412.42.7

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Humaitá gets around 539 mm of rain over 66 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 miserable — 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 5 km/h across spring.

0246810SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 54 min in early September to 12 h 24 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 5.2 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Humaitá

In seasonPeak

In spring, Humaitá overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Humaitá's rainy season runs October–May, 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 Humaitá?

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
2nd-best month of the year
4.6
Beach & pool
2nd-best month of the year

spring is a weaker month for outdoor sightseeing in Humaitá.

What to pack for Humaitá in Spring

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

In spring, Humaitá sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 66 days see rain.

light clothesrain gearsun protection

UV index in Humaitá in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Humaitá peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 11 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 13UV 15Sep 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug6High
Sep5Moderate
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Humaitá 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 Humaitá is worst in August — around 84 µg/m³ PM2.5 (unhealthy), about 9.2× the cleanest month (June, 9 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateAug 2181 µg/m³Jun 109 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar14Moderate
Apr11Good
May10Good
Jun9Good
Jul18Moderate
Aug84Unhealthy
Sep69Unhealthy
Oct23Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Humaitá?

Humaitá sits at 7.5°S, 63.0°W, 54 m above sea level, in Brazil. The nearest listed city is Candeias do Jamari, 161 km away.

Alto ParaísoAriquemes

Topography around Humaitá

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

Within 3 km, the terrain around Humaitá has only modest variations in elevation — a maximum elevation change of 38 m around an average of 51 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 72 m.

The land around Humaitá is covered by trees (38%) and grassland (31%) within 3 km, trees (69%) and grassland (22%) within 16 km, and trees (93%) within 80 km.

3 km
38 m
16 km
45 m
80 km
72 m
treesgrasslandcroplandartificial surfaceswater
Spring weather nearby: Candeias do Jamari 161 km · Porto Velho 169 km · Canutama 185 km · Lábrea 197 km · Tapauá 211 km · Machadinho d'Oeste 243 km · Alto Paraíso 247 km · Ariquemes 267 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 Humaitá (-7.5165°, -63.0311°, elevation 54 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.