Climate averages 1991–2020
Piracicaba weather
in October.
A hot, wet month: one of the warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Piracicaba: daytime highs average 28.9°C and nights cool to about 18.0°C. By daytime temperature it is one of the warmest months of the year.
Expect about 104 mm of rain on roughly 12 days, which makes October a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average October day.
The nearest other city in this atlas is Santa Bárbara d'Oeste (24 km away). In October its highs average 28.5°C, about as warm as Piracicaba, with 114 mm of rain.
Among the 448 cities listed in Brazil, Piracicaba ranks joint 175th of 448 for the warmest October highs and joint 196th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Piracicaba is 0.7°C warmer than that mean.
From October to November, average highs fall by 0.6°C to 28.3°C, and monthly rainfall rises from 104 mm to 148 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Piracicaba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C20.4°C | 20.4°C | 255 | 22.2 | 13.413 h |
| February | 28.9°C20.4°C | 20.4°C | 187 | 19.2 | 12.913 h |
| March | 28.1°C19.6°C | 19.6°C | 144 | 17.0 | 12.212 h |
| April | 27.2°C17.7°C | 17.7°C | 53 | 7.3 | 11.612 h |
| May | 24.6°C14.7°C | 14.7°C | 52 | 6.0 | 11.011 h |
| June | 24.1°C13.3°C | 13.3°C | 38 | 4.4 | 10.811 h |
| July | 24.4°C12.8°C | 12.8°C | 31 | 3.8 | 10.911 h |
| August | 26.5°C13.8°C | 13.8°C | 30 | 3.9 | 11.311 h |
| September | 28.4°C16.3°C | 16.3°C | 61 | 7.9 | 11.912 h |
| October, selected | 28.9°C18.0°C | 18.0°C | 104 | 12.1 | 12.613 h |
| November | 28.3°C18.6°C | 18.6°C | 148 | 14.9 | 13.213 h |
| December | 28.8°C19.9°C | 19.9°C | 190 | 19.8 | 13.513 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Santa Bárbara d'Oeste in OctoberBrazil · 24 kmHigh 28.5°C · Low 17.9°C · 114 mm rain
- Limeira in OctoberBrazil · 31 kmHigh 28.7°C · Low 17.9°C · 128 mm rain
- Americana in OctoberBrazil · 33 kmHigh 28.6°C · Low 17.9°C · 123 mm rain
- Rio Claro in OctoberBrazil · 36 kmHigh 28.4°C · Low 17.5°C · 128 mm rain
- Sumaré in OctoberBrazil · 41 kmHigh 28.4°C · Low 17.8°C · 123 mm rain
- Hortolândia in OctoberBrazil · 46 kmHigh 28.2°C · Low 17.7°C · 123 mm rain
- Cosmópolis in OctoberBrazil · 47 kmHigh 28.6°C · Low 18.0°C · 123 mm rain
- Araras in OctoberBrazil · 49 kmHigh 28.4°C · Low 17.9°C · 129 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Piracicaba) is explained once on the Piracicaba year overview and on the Sources, method and limits page.