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São Paulo · Brazil · 1995–2024 averages

São Paulo weather, month by month. August is the pick.

Thirty years of averages for São Paulo, Brazil — how hot it really feels, when the rain arrives, and what the air is like. August comes out on top; February is the one to skip.

São Paulo's glass towers along the Pinheiros river, the green oval of the Jockey Club racecourse below them
Photo: Agent010 / CC BY-SA 4.0

The year at a glance

Tap a month for its full breakdown.

August

bestscore 74.7/100

Mild, sweaty and dryish, with moderate air.

Feels like
23°
mild
Real temp
23°
mild
Humidity
77%
sweaty
Rain
37mm
dryish
Cloud cover
51%
bright
Air quality
88
moderate
Daylight
11.3h
shortish

Month by month, metric by metric

Each row is one measure across the same twelve months. The tint says how good that month is for it, the word says why.

  • Good
  • Okay
  • Rough
  • Grim

Feels like

peaks at 30° in January

  1. Jan30°warm
  2. Feb30°warm
  3. Mar29°warm
  4. Apr26°mild
  5. May22°mild
  6. Jun21°mild
  7. Jul21°mild
  8. Aug23°mild
  9. Sep25°mild
  10. Oct26°mild
  11. Nov27°mild
  12. Dec29°warm

Real temp

22–27° in the shade across the year

  1. Jan27°mild
  2. Feb27°mild
  3. Mar26°mild
  4. Apr25°mild
  5. May22°mild
  6. Jun22°mild
  7. Jul22°mild
  8. Aug23°mild
  9. Sep24°mild
  10. Oct25°mild
  11. Nov25°mild
  12. Dec26°mild

Humidity

77% at its driest, 86% at its most oppressive

  1. Jan84%sweaty
  2. Feb84%sweaty
  3. Mar86%soupy
  4. Apr84%sweaty
  5. May82%sweaty
  6. Jun81%sweaty
  7. Jul78%sweaty
  8. Aug77%sweaty
  9. Sep78%sweaty
  10. Oct83%sweaty
  11. Nov83%sweaty
  12. Dec84%sweaty

Rain

227mm in January, 37mm in August

  1. Jan227mmsoaking
  2. Feb168mmrainy
  3. Mar137mmrainy
  4. Apr59mmdryish
  5. May52mmdryish
  6. Jun41mmdryish
  7. Jul46mmdryish
  8. Aug37mmdryish
  9. Sep77mmsome rain
  10. Oct114mmsome rain
  11. Nov148mmrainy
  12. Dec172mmrainy

Cloud cover

51% at its clearest, 78% at its greyest

  1. Jan78%grey
  2. Feb74%grey
  3. Mar70%grey
  4. Apr64%mixed
  5. May62%mixed
  6. Jun56%mixed
  7. Jul53%bright
  8. Aug51%bright
  9. Sep62%mixed
  10. Oct76%grey
  11. Nov75%grey
  12. Dec76%grey

Air quality

worst in September, cleanest in January

  1. Jan74moderate
  2. Feb81moderate
  3. Mar84moderate
  4. Apr84moderate
  5. May91moderate
  6. Jun91moderate
  7. Jul84moderate
  8. Aug88moderate
  9. Sep99moderate
  10. Oct83moderate
  11. Nov75moderate
  12. Dec77moderate

Daylight

10.7h to 13.6h of daylight across the year

  1. Jan13.4heven
  2. Feb12.9heven
  3. Mar12.2heven
  4. Apr11.5hshortish
  5. May11hshortish
  6. Jun10.7hshortish
  7. Jul10.8hshortish
  8. Aug11.3hshortish
  9. Sep12heven
  10. Oct12.6heven
  11. Nov13.2heven
  12. Dec13.6heven

São Paulo's air, month by month

The air is at its worst in September at 99 AQI (moderate), and at its cleanest in January at 74 (moderate). The dirtiest months here are also the driest.

Every month in full

All twelve months, all seven measures.

MonthFeels likeReal tempHumidityRainCloud coverAir qualityDaylight
January30° warm27° mild84% sweaty227mm soaking78% grey74 moderate13.4h even
February30° warm27° mild84% sweaty168mm rainy74% grey81 moderate12.9h even
March29° warm26° mild86% soupy137mm rainy70% grey84 moderate12.2h even
April26° mild25° mild84% sweaty59mm dryish64% mixed84 moderate11.5h shortish
May22° mild22° mild82% sweaty52mm dryish62% mixed91 moderate11h shortish
June21° mild22° mild81% sweaty41mm dryish56% mixed91 moderate10.7h shortish
July21° mild22° mild78% sweaty46mm dryish53% bright84 moderate10.8h shortish
August23° mild23° mild77% sweaty37mm dryish51% bright88 moderate11.3h shortish
September25° mild24° mild78% sweaty77mm some rain62% mixed99 moderate12h even
October26° mild25° mild83% sweaty114mm some rain76% grey83 moderate12.6h even
November27° mild25° mild83% sweaty148mm rainy75% grey75 moderate13.2h even
December29° warm26° mild84% sweaty172mm rainy76% grey77 moderate13.6h even

São Paulo weather questions

What is the best time to visit São Paulo?
August scores best across temperature, rain, humidity and air quality — 23° feels-like, 37mm of rain and 77% humidity. February is the month to avoid: 168mm of rain and 81 AQI.
How hot does São Paulo get?
January is the peak, at 30° feels-like (27° in the shade) — warm. Even in August it reaches 23°.
When is the rainy season in São Paulo?
January is the wettest month at 227mm, and August the driest at just 37mm.
Is air quality a problem in São Paulo?
September is the worst month at 99 AQI (moderate), and January the best at 74 (moderate).

Weather normals from Open-Meteo (ERA5 reanalysis, 1995–2024) and CAMS air quality (2015–2024), licensed CC-BY-4.0. Contains modified Copernicus Climate Change Service information. These are long-run averages, not forecasts — any given year will differ.

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