Climate and average weather in São Miguel do Guaporé

In São Miguel do Guaporé, the weather is humid, hot, wet, and mostly clear and remarkably steady, with daytime highs holding near hot levels all year. The wettest stretch peaks around February.

Best: mid May to early August

Over the course of the year, the temperature in São Miguel do Guaporé typically varies from 19°C to 33°C, and is rarely below 15°C or above 36°C. August is the hottest month of the year, while February is the coldest.

Based on the travel score, the best time of year to visit São Miguel do Guaporé for warm-weather activities is from mid May to early August.

Hottest
Aug
33°
Coldest
Feb
23°
Wettest
Feb
256 mm
Driest
Jul
14 mm
Rain / yr
1697 mm
215 wet days
Daylight
11.3–12.7 h
shortest–longest
Elevation
193 m
11.7°S
Clearest
Jul
30% cloud

São Miguel do Guaporé 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 May to early August.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

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

Temperatures in São Miguel do Guaporé stay fairly even through the year, without a distinct hot or cool season. The warmest month is August, with an average high of 33°C and low of 20°C; the coolest is February, with an average low of 23°C and high of 29°C.

Days typically run about 9°C warmer than nights, with the widest day–night swing (around 13°C) in August.

15°20°25°30°35°40°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan3023
Feb2923
Mar3023
Apr3022
May3021
Jun3120
Jul3219
Aug3320
Sep3322
Oct3223
Nov3123
Dec3023

How hot and cold São Miguel do Guaporé 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, São Miguel do Guaporé feels like about 37°C (around October 6). Nearly every day a year carries some heat stress, peaking in October.

15°20°25°30°35°40°JanFebMarAprMayJunJulAugSepOctNovDec
Feels-like high (°C)Air high (°C)Feels-like low (°C)Air low (°C)
Jan34302323
Feb33292323
Mar33302323
Apr33302222
May32302121
Jun33312020
Jul32321919
Aug34332020
Sep36332222
Oct36322323
Nov35312323
Dec34302323

Average hourly temperature in São Miguel do Guaporé

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 August afternoons, near 33°C, and coldest before dawn in February, near 23°C.

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

São Miguel do Guaporé 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
Jan30° / 23°25527.812.62.9
Feb29° / 23°25625.612.42.9
Mar30° / 23°24527.612.12.9
Apr30° / 22°14821.711.73.5
May30° / 21°7114.211.54.7
Jun31° / 20°194.411.35.5
Jul32° / 19°142.811.45.2
Aug33° / 20°285.211.64.2
Sep33° / 22°7613.411.93.3
Oct32° / 23°14421.112.32.9
Nov31° / 23°20224.412.52.9
Dec30° / 23°2392712.72.9

Chance of rain

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

São Miguel do Guaporé gets about 1697 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 6.9 months, from around Oct 2 to Apr 28, peaking in February at about 92% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jul 20.

February is the wettest month by volume, with 256 mm over about 26 wet days; July is the driest, with 14 mm.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetFeb 15 · 92%Jul 20 · 7%
Rain on a day (%)Rain days
Jan9028
Feb9126
Mar8928
Apr7222
May4514
Jun164
Jul93
Aug175
Sep4513
Oct6821
Nov8124
Dec8727

Monthly rainfall

Over a full year, São Miguel do Guaporé collects about 1697 mm of rain across 215 wet days — roughly 141 mm in an average month.

It doesn’t fall evenly. February is the wettest month with 256 mm, while July is the driest at just 14 mm. The three wettest months alone bring about 45% of the year’s total.

050100150200250300JanFebMarAprMayJunJulAugSepOctNovDec2552562451487119142876144202239
Rainfall (mm)Rain days
Jan25528
Feb25626
Mar24528
Apr14822
May7114
Jun194
Jul143
Aug285
Sep7613
Oct14421
Nov20224
Dec23927

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

In São Miguel do Guaporé, 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 May 12 and lasts for 5.0 months, ending around October 9. The clearest month is July, when the sky is clear, mostly clear, or partly cloudy 85% of the time on average.

The cloudier part of the year begins around October 10 and lasts for 7.0 months, ending around May 11. The cloudiest month is February, when it is overcast or mostly cloudy 95% 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%JanFebMarAprMayJunJulAugSepOctNovDecJul 29 · 86%Jan 8 · 4%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan694
Feb595
Mar892
Apr2278
May4159
Jun7327
Jul8515
Aug8020
Sep5941
Oct3070
Nov1387
Dec1090

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. The longest day, around January 1, brings about 12 h 42 min of light; the shortest, around June 5, only 11 h 18 min — a swing of roughly 1 h 24 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan12.66:026:39
Feb12.46:146:37
Mar12.16:186:23
Apr11.76:196:03
May11.56:235:51
Jun11.36:325:51
Jul11.46:355:58
Aug11.66:276:03
Sep11.96:076:03
Oct12.35:486:04
Nov12.55:406:13
Dec12.75:476:27

Sunny days

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

São Miguel do Guaporé 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 22 days.

The sunnier stretch runs 4.3 months, from around May 20 to Sep 27. The sunniest month is July, with roughly 22 sunny days (bright).

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

0510152025JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightbrilliantJul 2322 daysMar 110 days
Sunny daysSky
Jan0Gloomy
Feb0Gloomy
Mar0Gloomy
Apr2Gloomy
May7Gloomy
Jun17Bright
Jul22Bright
Aug20Bright
Sep11Mixed
Oct4Gloomy
Nov1Gloomy
Dec1Gloomy

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.

In São Miguel do Guaporé, how humid it feels changes noticeably over the year.

The more humid part of the year lasts 8.9 months, from around September 18 to June 16. The muggiest month is January, when the air feels humid, muggy or worse about 100% of the time.

The most comfortable stretch runs from around June 17 to September 17, and August is the most comfortable month — the air is dry or comfortable 19% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecAug 1 · 25%Jan 1 · 0%miserableoppressivehumidmuggycomfortablehumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
Jan0000955
Feb0001928
Mar00018811
Apr01258210
May12517722
Jun141341410
Jul5133037140
Aug6142730240
Sep23822650
Oct0017892
Nov0003925
Dec0001954

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 São Miguel do Guaporé is steady company: average speeds sit near 6 km/hcalm — in every month of the year, with no meaningful windy or calm season.

0510JanFebMarAprMayJunJulAugSepOctNovDeccalmJul 25 · 7 km/hMar 26 · 5 km/h
Wind speed (km/h)Feels
Jan6calm
Feb6calm
Mar5calm
Apr5calm
May5calm
Jun6calm
Jul7calm
Aug7calm
Sep6calm
Oct6calm
Nov6calm
Dec6calm

Hazard calendar for São Miguel do Guaporé

In seasonPeak

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

São Miguel do Guaporé'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

Best time to visit São Miguel do Guaporé

TravelBeach/poolTemperatureCloudsPrecipitation

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

Around late July, São Miguel do Guaporé 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 São Miguel do Guaporé for general outdoor tourist activities is from mid May to early August, with a peak score in the second week of June.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJun 13 · 5.6

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
Jan2.9poor
Feb2.9poor
Mar2.9poor
Apr3.5fair
May4.7fair
Jun5.5fair
Jul5.2fair
Aug4.2fair
Sep3.3poor
Oct2.9poor
Nov2.9poor
Dec2.9poor

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 São Miguel do Guaporé for hot-weather activities is from late May to early September, with a peak score in the third week of July.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationJul 16 · 8.1

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 São Miguel do Guaporé, 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.

São Miguel do Guaporé packs about the same all year — highs hold near 33°C. Across the year the things worth having are light clothes, sun protection and rain gear.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In August, São Miguel do Guaporé sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

UV index (midday) in São Miguel do Guaporé 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 São Miguel do Guaporé peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 24UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep3Moderate
Oct11Extreme
Nov14Extreme
Dec14Extreme

Average hourly UV index in São Miguel do Guaporé

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 January the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 7 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)
Jan8.57
Feb8.57
Mar86.5
Apr86
May75
Jun74.5
Jul6.54
Aug6.53.5
Sep3.50
Oct7.55.5
Nov8.56.5
Dec8.56.5

Air quality in São Miguel do Guaporé 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 São Miguel do Guaporé is worst in September — around 70 µg/m³ PM2.5 (unhealthy), about 8.6× the cleanest month (June, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateUnhealthyModerateSep 1666 µg/m³Jun 108 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar12Moderate
Apr9Good
May8Good
Jun8Good
Jul10Good
Aug39Poor
Sep70Unhealthy
Oct38Poor
Nov19Moderate
Dec13Moderate
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

São Miguel do Guaporé 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. São Miguel do Guaporé banks about 5,941 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around September.

02,0004,0006,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan503
Feb449
Mar500
Apr480
May478
Jun461
Jul481
Aug516
Sep524
Oct538
Nov501
Dec509

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.

São Miguel do Guaporé receives about 5.0 kWh/m² a day of solar energy — bright — and it stays remarkably steady, holding between 4.4 and 5.7 kWh/m² all year. For solar panels, output here is a flat line, not a seasonal wave.

01234567JanFebMarAprMayJunJulAugSepOctNovDecdimmoderatebrightintenseOct 45.7 kWhMay 224.4 kWh
Solar energy (kWh/m²)Level
Jan4.8Bright
Feb4.6Bright
Mar4.7Bright
Apr4.6Bright
May4.4Bright
Jun4.6Bright
Jul4.9Bright
Aug5.4Bright
Sep5.6Bright
Oct5.7Bright
Nov5.3Bright
Dec5.0Bright

Where is São Miguel do Guaporé?

São Miguel do Guaporé sits at 11.7°S, 62.7°W, 193 m above sea level, in Brazil. The nearest listed city is Alta Floresta d'Oeste, 88 km away.

Topography around São Miguel do Guaporé

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Miguel do Guaporé.

Within 3 km, the terrain around São Miguel do Guaporé has only modest variations in elevation — a maximum elevation change of 50 m around an average of 192 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 506 m.

The land around São Miguel do Guaporé is covered by grassland (57%) within 3 km, grassland (48%) and trees (45%) within 16 km, and trees (60%) and grassland (39%) within 80 km.

3 km
50 m
16 km
250 m
80 km
506 m
treesgrasslandcroplandartificial surfaces
Nearby: Alta Floresta d'Oeste 88 km · Rolim de Moura 100 km · São Francisco do Guaporé 101 km · Presidente Médici 105 km · Ouro Preto do Oeste 118 km · Ji Paraná 122 km · Cacoal 141 km · Jaru 142 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 São Miguel do Guaporé (-11.6936°, -62.7114°, elevation 193 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).