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Piracicaba has a monsoon-influenced humid subtropical climate.
Hot, wet summers and cool, dry winters — here's what that means in plain terms.
What this climate feels like
The four things a regular visitor actually wants to know:
Highs near 84°F in February.
Lows near 54°F in July.
About 59 in of rain a year. Wettest in January.
A roughly even mix of sun and cloud.
What "monsoon-influenced humid subtropical" means
Climate scientists sort every place on Earth into about 30 climate types, based on how hot, cold, wet and dry it is across the year. Piracicaba's type — monsoon-influenced humid subtropical — sits in the broad family of mild, temperate climates. Despite the name, winters here still bring real cold; the "subtropical" name refers to summer heat and humidity.
Researchers write climate types as a short letter code. Here is what each letter means:
Cities with the same climate as Piracicaba
A monsoon-influenced humid subtropical climate (Cwa) — these recognizable cities share it. If you know one of them, you know roughly what to expect.
Has Piracicaba's climate type changed?
Stable — Piracicaba's climate has held the same type between the 1971–2000 and 1991–2020 normals. The label is steady; the climate beneath it is still warming.
What this climate means for you
Rice, citrus, tea, sugarcane — the monsoon supports double-cropping. Winter vegetables grow well in the dry, cool months.
The cool, dry winter (Nov–Mar) is the classic travel window. Summer is hot, humid and often disrupted by heavy rain.
Hot, sticky summers with monsoon rains; pleasantly cool, dry winters. Two starkly different halves of the year.
Where these numbers come from
The climate type and the month-by-month figures on this page are computed from Piracicaba's measured 30-year climate normals (1991–2020) — the same official records behind Piracicaba's main climate page, so the two always agree.
Long-range climate maps measure things slightly differently and can place a city in a neighbouring category. Where they differ, this page uses the measured station record as the climate today.
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Sao Carlos, about 82 km from the city centre.