Climate and average weather in Santa Rita do Passa Quatro

In Santa Rita do Passa Quatro, the weather is hot, wet, and partly cloudy and remarkably steady, with daytime highs holding near hot levels all year. The wettest stretch peaks around January.

Best: late April to late August

Over the course of the year, the temperature in Santa Rita do Passa Quatro typically varies from 13°C to 30°C, and is rarely below 9°C or above 35°C. October is the hottest month of the year, while June is the coldest.

Based on the travel score, the best time of year to visit Santa Rita do Passa Quatro for warm-weather activities is from late April to late August.

Hottest
Oct
30°
Coldest
Jun
14°
Wettest
Jan
259 mm
Driest
Aug
24 mm
Rain / yr
1373 mm
145 wet days
Daylight
10.7–13.3 h
shortest–longest
Elevation
759 m
21.7°S
Clearest
Aug
31% cloud

Santa Rita do Passa Quatro is human settlement in Brazil.

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

Santa Rita do Passa Quatro 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 late April to late August.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

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

Temperatures in Santa Rita do Passa Quatro stay fairly even through the year, without a distinct hot or cool season. The warmest month is October, with an average high of 30°C and low of 19°C; the coolest is June, with an average low of 14°C and high of 25°C.

Days typically run about 11°C warmer than nights, with the widest day–night swing (around 13°C) in August.

10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan2920
Feb2920
Mar2920
Apr2818
May2615
Jun2514
Jul2613
Aug2815
Sep2917
Oct3019
Nov2919
Dec2920

Average hourly temperature in Santa Rita do Passa Quatro

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 October afternoons, near 30°C, and coldest before dawn in June, near 14°C.

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

Santa Rita do Passa Quatro 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° / 20°25923.113.23.7
Feb29° / 20°17718.812.73.9
Mar29° / 20°15418.112.24.5
Apr28° / 18°648.611.56.2
May26° / 15°556.1117.5
Jun25° / 14°333.410.78.2
Jul26° / 13°242.910.88.3
Aug28° / 15°243.411.37.7
Sep29° / 17°697.811.95.9
Oct30° / 19°11613.612.54.7
Nov29° / 19°17817.3134.4
Dec29° / 20°22022.113.33.9

Chance of rain

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

Santa Rita do Passa Quatro gets about 1373 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 5.8 months, from around Oct 10 to Apr 5, peaking in January at about 74% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jun 30.

January is the wettest month by volume, with 259 mm over about 23 wet days; August is the driest, with 24 mm.

0%10%20%30%40%50%60%70%80%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetJan 1 · 74%Jun 30 · 8%
Rain on a day (%)Rain days
Jan7323
Feb6719
Mar5718
Apr309
May206
Jun123
Jul103
Aug123
Sep268
Oct4414
Nov5817
Dec7122

Monthly rainfall

Over a full year, Santa Rita do Passa Quatro collects about 1373 mm of rain across 145 wet days — roughly 114 mm in an average month.

It doesn’t fall evenly. January is the wettest month with 259 mm, while August is the driest at just 24 mm. The three wettest months alone bring about 48% of the year’s total.

050100150200250300JanFebMarAprMayJunJulAugSepOctNovDec259177154645533242469116178220
Rainfall (mm)Rain days
Jan25923
Feb17719
Mar15418
Apr649
May556
Jun333
Jul243
Aug243
Sep698
Oct11614
Nov17817
Dec22022

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

In Santa Rita do Passa Quatro, 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 March 29 and lasts for 6.1 months, ending around October 1. The clearest month is August, when the sky is clear, mostly clear, or partly cloudy 77% of the time on average.

The cloudier part of the year begins around October 2 and lasts for 5.8 months, ending around March 28. The cloudiest month is January, when it is overcast or mostly cloudy 73% 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 25 · 79%Jan 8 · 25%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan2773
Feb3862
Mar5050
Apr6436
May6436
Jun7030
Jul7426
Aug7723
Sep6634
Oct4654
Nov3961
Dec3268

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 13 h 18 min of light; the shortest, around June 4, only 10 h 42 min — a swing of roughly 2 h 36 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan13.26:437:55
Feb12.77:027:47
Mar12.27:157:24
Apr11.57:256:55
May11.07:376:35
Jun10.77:506:31
Jul10.87:526:39
Aug11.37:376:51
Sep11.97:087:01
Oct12.56:407:10
Nov13.06:247:27
Dec13.36:277:46

Sunny days

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

Santa Rita do Passa Quatro averages about 12 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 4 and 21 days.

The sunnier stretch runs 5.9 months, from around Apr 5 to Oct 2. The sunniest month is August, with roughly 20 sunny days (bright).

The greyest month is January, down near 4 sunny days — about 79% fewer than the August peak.

0510152025JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightbrilliantAug 2221 daysJan 54 days
Sunny daysSky
Jan4Gloomy
Feb6Gloomy
Mar9Mixed
Apr14Mixed
May15Mixed
Jun17Bright
Jul19Bright
Aug21Bright
Sep16Bright
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.

In Santa Rita do Passa Quatro, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 6.5 months, from around October 9 to April 25. The muggiest month is January, when the air feels humid, muggy or worse about 99% of the time.

The most comfortable stretch runs from around April 26 to October 8, and July is the most comfortable month — the air is dry or comfortable 95% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 20 · 96%Jan 2 · 0%oppressivecomfortablemuggyhumiddryhumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan01117116
Feb03137212
Mar0321697
Apr52137362
May26393140
Jun43431400
Jul6332500
Aug7022700
Sep40322260
Oct132238270
Nov31431502
Dec0319708

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

051015JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeSep 19 · 10 km/hFeb 26 · 7 km/h
Wind speed (km/h)Feels
Jan7calm
Feb7calm
Mar7calm
Apr8calm
May8calm
Jun8calm
Jul9calm
Aug9calm
Sep10calm
Oct9calm
Nov9calm
Dec8calm

Hazard calendar for Santa Rita do Passa Quatro

In seasonPeak

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

Santa Rita do Passa Quatro's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Best time to visit Santa Rita do Passa Quatro

TravelBeach/poolTemperatureCloudsPrecipitation

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

Around early May, Santa Rita do Passa Quatro is still near the start of its best-weather window — great conditions with the peak-season crowds not yet at full swing.

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 Santa Rita do Passa Quatro for general outdoor tourist activities is from late April to late August, with a peak score in the first week of July.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJul 5 · 8.4

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
Jan3.7fair
Feb3.9fair
Mar4.5fair
Apr6.2good
May7.5ideal
Jun8.2ideal
Jul8.3ideal
Aug7.6ideal
Sep5.9good
Oct4.7fair
Nov4.4fair
Dec3.9fair

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 Santa Rita do Passa Quatro for hot-weather activities is from early April to early October, with a peak score in the last week of August.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationAug 26 · 8.3

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 Santa Rita do Passa Quatro, 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.

Santa Rita do Passa Quatro packs about the same all year — highs hold near 30°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 October, Santa Rita do Passa Quatro sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

UV index (midday) in Santa Rita do Passa Quatro 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 Santa Rita do Passa Quatro peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Average hourly UV index in Santa Rita do Passa Quatro

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 9 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)
Jan97
Feb8.57
Mar86
Apr75
May63
Jun5.52
Jul5.52
Aug6.54
Sep74.5
Oct85.5
Nov8.56.5
Dec97

Air quality in Santa Rita do Passa Quatro 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 Santa Rita do Passa Quatro is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Santa Rita do Passa Quatro 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. Santa Rita do Passa Quatro banks about 4,677 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around February.

01,0002,0003,0004,0005,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan458
Feb417
Mar447
Apr393
May324
Jun287
Jul295
Aug345
Sep392
Oct440
Nov426
Dec452

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.

Santa Rita do Passa Quatro receives about 5.2 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 3.9 and 6.0 kWh/m².

The brighter stretch of the year lasts 7.0 months, from around Aug 23 to Mar 24. The brightest month is October, averaging about 5.9 kWh/m² (bright).

The dimmest month is June, down near 3.9 kWh/m² — roughly 35% less than the October peak.

01234567JanFebMarAprMayJunJulAugSepOctNovDecbrighterdimmerbrighterdimmoderatebrightintenseOct 206.0 kWhJun 43.9 kWh
Solar energy (kWh/m²)Level
Jan5.6Bright
Feb5.8Bright
Mar5.3Bright
Apr4.9Bright
May4.1Bright
Jun3.9Moderate
Jul4.1Bright
Aug5.0Bright
Sep5.6Bright
Oct6.0Bright
Nov5.9Bright
Dec5.8Bright

Where is Santa Rita do Passa Quatro?

Santa Rita do Passa Quatro sits at 21.7°S, 47.5°W, 759 m above sea level, in Brazil. The nearest listed city is Porto Ferreira, 16 km away.

Topography around Santa Rita do Passa Quatro

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Rita do Passa Quatro.

Within 3 km, the terrain around Santa Rita do Passa Quatro has significant variations in elevation — a maximum elevation change of 263 m around an average of 730 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 470 m; within 80 km, large variations in elevation — a maximum elevation change of 1,086 m.

The land around Santa Rita do Passa Quatro is covered by trees (31%), cropland (27%) and grassland (21%) within 3 km, trees (42%) and cropland (41%) within 16 km, and cropland (48%) and trees (34%) within 80 km.

3 km
263 m
16 km
470 m
80 km
1,086 m
treesgrasslandcroplandartificial surfaceswater
Nearby: Porto Ferreira 16 km · Tambaú 21 km · Descalvado 26 km · Santa Cruz das Palmeiras 27 km · Santa Rosa de Viterbo 29 km · Pirassununga 32 km · Casa Branca 41 km · Cravinhos 49 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 Santa Rita do Passa Quatro (-21.7103°, -47.4781°, elevation 759 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).