Climate averages 1991–2020
São Sebastião (Sao Paulo), Brazil weather
in October.
A warm, wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in São Sebastião (Sao Paulo), Brazil: daytime highs average 24.3°C and nights cool to about 20.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 146 mm of rain on roughly 15 days, which makes October a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 38 min on an average October day.
The nearest other city in this atlas is Caraguatatuba (16 km away). In October its highs average 25.4°C, 1.1°C warmer than São Sebastião (Sao Paulo), Brazil, with 132 mm of rain.
Among the 448 cities listed in Brazil, São Sebastião (Sao Paulo), Brazil ranks joint 381st of 448 for the warmest October highs and joint 369th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; São Sebastião (Sao Paulo), Brazil is 4.0°C cooler than that mean.
From October to November, average highs rise by 0.7°C to 24.9°C, and monthly rainfall rises from 146 mm to 187 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
São Sebastião (Sao Paulo), Brazil climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.8°C23.9°C | 23.9°C | 277 | 22.3 | 13.413 h |
| February | 28.1°C24.1°C | 24.1°C | 231 | 19.7 | 12.913 h |
| March | 27.2°C23.4°C | 23.4°C | 236 | 20.4 | 12.212 h |
| April | 26.0°C22.0°C | 22.0°C | 130 | 13.7 | 11.612 h |
| May | 24.1°C19.9°C | 19.9°C | 115 | 11.8 | 11.011 h |
| June | 23.5°C18.7°C | 18.7°C | 82 | 9.5 | 10.711 h |
| July | 22.9°C18.0°C | 18.0°C | 92 | 8.7 | 10.811 h |
| August | 23.0°C18.1°C | 18.1°C | 76 | 8.9 | 11.311 h |
| September | 23.4°C19.0°C | 19.0°C | 132 | 13.8 | 11.912 h |
| October, selected | 24.3°C20.2°C | 20.2°C | 146 | 15.2 | 12.613 h |
| November | 24.9°C21.0°C | 21.0°C | 187 | 17.5 | 13.213 h |
| December | 26.7°C22.7°C | 22.7°C | 214 | 19.2 | 13.614 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
- Caraguatatuba in OctoberBrazil · 16 kmHigh 25.4°C · Low 20.0°C · 132 mm rain
- Ubatuba in OctoberBrazil · 50 kmHigh 23.9°C · Low 19.5°C · 158 mm rain
- Jacareí in OctoberBrazil · 76 kmHigh 26.1°C · Low 16.6°C · 109 mm rain
- Caçapava in OctoberBrazil · 79 kmHigh 26.5°C · Low 16.8°C · 137 mm rain
- São José dos Campos in OctoberBrazil · 81 kmHigh 26.4°C · Low 16.7°C · 109 mm rain
- Taubaté in OctoberBrazil · 83 kmHigh 26.4°C · Low 16.5°C · 125 mm rain
- Mogi das Cruzes in OctoberBrazil · 84 kmHigh 24.7°C · Low 15.8°C · 117 mm rain
- Pindamonhangaba in OctoberBrazil · 93 kmHigh 27.0°C · Low 16.9°C · 125 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 São Sebastião) is explained once on the São Sebastião (Sao Paulo), Brazil year overview and on the Sources, method and limits page.