Climate averages 1991–2020
Itanhaém 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 Itanhaém: daytime highs average 24.9°C and nights cool to about 18.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 155 mm of rain on roughly 17 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 Praia Grande (44 km away). In October its highs average 25.4°C, about as warm as Itanhaém, with 153 mm of rain.
Among the 448 cities listed in Brazil, Itanhaém ranks joint 363rd of 448 for the warmest October highs and 385th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Itanhaém is 3.3°C cooler than that mean.
From October to November, average highs rise by 0.7°C to 25.7°C, and monthly rainfall rises from 155 mm to 163 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
Itanhaém climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.3°C22.7°C | 22.7°C | 227 | 22.9 | 13.413 h |
| February | 28.6°C22.8°C | 22.8°C | 213 | 19.8 | 12.913 h |
| March | 27.6°C22.1°C | 22.1°C | 212 | 21.5 | 12.212 h |
| April | 26.4°C20.4°C | 20.4°C | 137 | 14.5 | 11.512 h |
| May | 24.1°C17.8°C | 17.8°C | 125 | 13.6 | 11.011 h |
| June | 23.4°C16.4°C | 16.4°C | 101 | 10.1 | 10.711 h |
| July | 22.8°C15.6°C | 15.6°C | 107 | 10.3 | 10.811 h |
| August | 23.1°C15.8°C | 15.8°C | 88 | 10.2 | 11.311 h |
| September | 23.8°C17.2°C | 17.2°C | 141 | 14.2 | 11.912 h |
| October, selected | 24.9°C18.8°C | 18.8°C | 155 | 17.0 | 12.613 h |
| November | 25.7°C19.8°C | 19.8°C | 163 | 16.9 | 13.313 h |
| December | 27.4°C21.5°C | 21.5°C | 174 | 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
- Praia Grande in OctoberBrazil · 44 kmHigh 25.4°C · Low 19.4°C · 153 mm rain
- São Vicente in OctoberBrazil · 47 kmHigh 25.6°C · Low 19.4°C · 153 mm rain
- Itapecerica da Serra in OctoberBrazil · 52 kmHigh 23.4°C · Low 14.8°C · 138 mm rain
- Santos in OctoberBrazil · 52 kmHigh 25.0°C · Low 19.4°C · 158 mm rain
- São Bernardo do Campo in OctoberBrazil · 59 kmHigh 24.0°C · Low 15.8°C · 157 mm rain
- Embu das Artes in OctoberBrazil · 60 kmHigh 24.9°C · Low 15.9°C · 138 mm rain
- Taboão da Serra in OctoberBrazil · 62 kmHigh 24.6°C · Low 15.7°C · 138 mm rain
- Santo André in OctoberBrazil · 63 kmHigh 24.0°C · Low 16.0°C · 157 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 Itanhaém) is explained once on the Itanhaém year overview and on the Sources, method and limits page.