Climate and average weather in Óbidos

In Óbidos, the weather is muggy, hot, wet, and mostly clear and remarkably steady, with daytime highs holding near hot levels all year. The wettest stretch peaks around March.

Best: mid June to late October

Over the course of the year, the temperature in Óbidos typically varies from 25°C to 32°C, and is rarely below 24°C or above 34°C. September is the hottest month of the year, while March is the coldest.

Based on the travel score, the best time of year to visit Óbidos for warm-weather activities is from mid June to late October.

Hottest
Sep
32°
Coldest
Mar
25°
Wettest
Mar
437 mm
Driest
Aug
73 mm
Rain / yr
2852 mm
256 wet days
Daylight
11.9–12.1 h
shortest–longest
Elevation
27 m
1.9°S
Clearest
Aug
41% cloud

Óbidos is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Óbidos weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around mid June to late October.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Óbidos, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

Temperatures in Óbidos stay fairly even through the year, without a distinct hot or cool season. The warmest month is September, with an average high of 32°C and low of 26°C; the coolest is March, with an average low of 25°C and high of 29°C.

Days typically run about 5°C warmer than nights year-round.

20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan2925
Feb2925
Mar2925
Apr2925
May2925
Jun2925
Jul3025
Aug3126
Sep3226
Oct3226
Nov3126
Dec3126

How hot and cold Óbidos really feels

Feels-like highFeels-like lowactual air temp

The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.

On the hottest afternoons, once humidity is folded in, Óbidos feels like about 37°C (around October 13). Nearly every day a year carries some heat stress, peaking in October.

20°25°30°35°40°JanFebMarAprMayJunJulAugSepOctNovDecdangerous heat
Feels-like high (°C)Air high (°C)Feels-like low (°C)Air low (°C)
Jan34292525
Feb33292525
Mar33292525
Apr34292525
May34292525
Jun34292525
Jul34302525
Aug36312626
Sep37322626
Oct37322626
Nov37312626
Dec35312626

Average hourly temperature in Óbidos

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on September afternoons, near 32°C, and coldest before dawn in March, near 25°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Óbidos weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°37527.612.13.1
Feb29° / 25°34025.212.13.1
Mar29° / 25°43728.8123.0
Apr29° / 25°42129122.9
May29° / 25°34428.911.93.1
Jun29° / 25°17323.111.93.7
Jul30° / 25°10917.711.94.3
Aug31° / 26°7311.511.94.5
Sep32° / 26°8010.7124.1
Oct32° / 26°10613.3123.7
Nov31° / 26°16217.612.13.5
Dec31° / 26°23222.412.13.3

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Óbidos gets about 2852 mm of precipitation a year. On a typical day the chance of rain is very wet, but that rises and falls sharply with the seasons.

The wetter season lasts 6.5 months, from around Dec 13 to Jun 29, peaking in April at about 97% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Aug 27.

March is the wettest month by volume, with 437 mm over about 29 wet days; August is the driest, with 73 mm.

0%10%20%30%40%50%60%70%80%90%100%110%JanFebMarAprMayJunJulAugSepOctNovDecwetterdriermostly drysome rainoften wetvery wetApr 26 · 97%Aug 27 · 35%
Rain on a day (%)Rain days
Jan8828
Feb9025
Mar9329
Apr9629
May9229
Jun7823
Jul5718
Aug3812
Sep3611
Oct4313
Nov5718
Dec7322

Monthly rainfall

Over a full year, Óbidos collects about 2852 mm of rain across 256 wet days — roughly 238 mm in an average month.

It doesn’t fall evenly. March is the wettest month with 437 mm, while August is the driest at just 73 mm. The three wettest months alone bring about 43% of the year’s total.

050100150200250300350400450500JanFebMarAprMayJunJulAugSepOctNovDec3753404374213441731097380106162232
Rainfall (mm)Rain days
Jan37528
Feb34025
Mar43729
Apr42129
May34429
Jun17323
Jul10918
Aug7312
Sep8011
Oct10613
Nov16218
Dec23222

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Óbidos, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around June 3 and lasts for 5.1 months, ending around November 4. The clearest month is August, when the sky is clear, mostly clear, or partly cloudy 76% of the time on average.

The cloudier part of the year begins around December 3 and lasts for 6.0 months, ending around June 2. The cloudiest month is April, when it is overcast or mostly cloudy 92% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecAug 23 · 77%Apr 21 · 7%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan1783
Feb1090
Mar892
Apr892
May2179
Jun5050
Jul6931
Aug7624
Sep6832
Oct4753
Nov3565
Dec2971

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. Close to the equator, Óbidos barely changes through the year: days stay near 12 h 06 min of light in every season.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan12.16:486:54
Feb12.16:556:59
Mar12.06:516:52
Apr12.06:446:41
May11.96:416:36
Jun11.96:466:39
Jul11.96:516:45
Aug11.96:486:44
Sep12.06:376:36
Oct12.06:266:28
Nov12.16:256:30
Dec12.16:356:42

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Óbidos averages about 7 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 0 and 18 days.

The sunnier stretch runs 4.9 months, from around Jun 8 to Nov 2. The sunniest month is August, with roughly 17 sunny days (bright).

The greyest month is April, down near 0 sunny days — about 98% fewer than the August peak.

05101520JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightAug 2418 daysApr 20 days
Sunny daysSky
Jan2Gloomy
Feb1Gloomy
Mar0Gloomy
Apr0Gloomy
May2Gloomy
Jun8Mixed
Jul14Mixed
Aug18Bright
Sep15Bright
Oct10Mixed
Nov6Gloomy
Dec4Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

Óbidos is humid all year round — on a typical day the air feels at least humid, and there is no real dry season to wait for.

The stickiest month is January, when it feels muggy, oppressive or miserable about 100% of the time. Even in January, the mildest month, the air is dry or comfortable only 0% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecmiserableoppressive
Muggy (%)Oppressive (%)Miserable (%)
Jan06832
Feb06931
Mar05842
Apr04159
May03268
Jun05545
Jul08119
Aug08020
Sep17524
Oct16830
Nov15644
Dec06535

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Wind in Óbidos is steady company: average speeds sit near 8 km/hcalm — in every month of the year, with no meaningful windy or calm season.

051015JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeOct 2 · 10 km/hJan 12 · 7 km/h
Wind speed (km/h)Feels
Jan8calm
Feb8calm
Mar8calm
Apr8calm
May8calm
Jun9calm
Jul9calm
Aug9calm
Sep10calm
Oct9calm
Nov8calm
Dec8calm

Hazard calendar for Óbidos

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

Óbidos'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

Best time to visit Óbidos

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Óbidos throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around mid October, Óbidos is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Óbidos for general outdoor tourist activities is from mid June to late October, with a peak score in the last week of July.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJul 29 · 4.6

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan3.1poor
Feb3.2poor
Mar3.0poor
Apr2.9poor
May3.1poor
Jun3.7fair
Jul4.3fair
Aug4.5fair
Sep4.1fair
Oct3.7fair
Nov3.5poor
Dec3.3poor

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Óbidos for hot-weather activities is from early July to early November, with a peak score in the last week of August.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationAug 24 · 6.7

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Óbidos, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

Óbidos packs about the same all year — highs hold near 32°C. Across the year the things worth having are light clothes, rain gear and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In September, Óbidos sees daytime highs around 32°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

UV index (midday) in Óbidos by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Óbidos peaks around March 12 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeExtremeMar 12UV 15Nov 17UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct12Extreme
Nov9Very high
Dec11Extreme

Average hourly UV index in Óbidos

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in March the burn window is concentrated in the middle of the day: about 8 hours a day reach index 3 (protection recommended), and 6.5 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan86.5
Feb8.56.5
Mar86.5
Apr86.5
May7.55.5
Jun7.55
Jul7.55
Aug7.55.5
Sep7.55.5
Oct85.5
Nov7.55
Dec7.55.5

Air quality in Óbidos by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Óbidos is worst in November — around 38 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (June, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateModerateNov 1637 µg/m³Jun 1410 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun10Good
Jul11Good
Aug13Moderate
Sep16Moderate
Oct26Moderate
Nov38Poor
Dec24Moderate
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Óbidos is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Óbidos banks about 6,453 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around October.

02,0004,0006,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan531
Feb472
Mar521
Apr503
May523
Jun512
Jul539
Aug569
Sep572
Oct594
Nov560
Dec559

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Óbidos receives about 4.9 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 3.9 and 6.3 kWh/m².

The brighter stretch of the year lasts 5.2 months, from around Jul 14 to Dec 19. The brightest month is September, averaging about 6.1 kWh/m² (intense).

The dimmest month is April, down near 4.0 kWh/m² — roughly 35% less than the September peak.

01234567JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmoderatebrightintenseSep 286.3 kWhApr 303.9 kWh
Solar energy (kWh/m²)Level
Jan4.5Bright
Feb4.4Bright
Mar4.3Bright
Apr4.0Bright
May4.0Bright
Jun4.5Bright
Jul5.0Bright
Aug5.6Bright
Sep6.2Intense
Oct6.2Intense
Nov5.6Bright
Dec5.1Bright

Where is Óbidos?

Óbidos sits at 1.9°S, 55.5°W, 27 m above sea level, in Brazil. The nearest listed city is Oriximiná, 42 km away.

Topography around Óbidos

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

Within 3 km, the terrain around Óbidos has only modest variations in elevation — a maximum elevation change of 105 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, significant variations in elevation — a maximum elevation change of 342 m.

The land around Óbidos is covered by water (40%) and trees (34%) within 3 km, trees (46%) and water (26%) within 16 km, and trees (60%) and water (20%) within 80 km.

3 km
105 m
16 km
122 m
80 km
342 m
treesgrasslandartificial surfaceswaterwetland
Nearby: Oriximiná 42 km · Juruti 69 km · Alenquer 87 km · Belterra 103 km · Santarém 107 km · Terra Santa 110 km · Mojuí dos Campos 129 km · Nhamundá 136 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 Óbidos (-1.9175°, -55.5181°, elevation 27 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).