Climate averages 1991–2020
Jaú weather
in October.
A hot, wet month: 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 Jaú: daytime highs average 29.4°C and nights cool to about 18.8°C. By daytime temperature it is the warmest month of the year.
Expect about 110 mm of rain on roughly 13 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 Bauru (52 km away). In October its highs average 29.3°C, about as warm as Jaú, with 110 mm of rain.
Among the 448 cities listed in Brazil, Jaú ranks joint 155th of 448 for the warmest October highs and joint 219th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Jaú is 1.1°C warmer than that mean.
From October to November, average highs fall by 0.7°C to 28.7°C, and monthly rainfall rises from 110 mm to 156 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
Jaú climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C20.9°C | 20.9°C | 247 | 22.0 | 13.313 h |
| February | 29.0°C20.9°C | 20.9°C | 182 | 19.2 | 12.913 h |
| March | 28.3°C20.2°C | 20.2°C | 139 | 17.3 | 12.212 h |
| April | 27.5°C18.5°C | 18.5°C | 58 | 8.0 | 11.612 h |
| May | 24.9°C15.6°C | 15.6°C | 56 | 6.2 | 11.111 h |
| June | 24.4°C14.3°C | 14.3°C | 37 | 4.1 | 10.811 h |
| July | 24.8°C13.9°C | 13.9°C | 27 | 3.5 | 10.911 h |
| August | 27.0°C15.0°C | 15.0°C | 29 | 3.6 | 11.311 h |
| September | 28.8°C17.1°C | 17.1°C | 64 | 7.4 | 11.912 h |
| October, selected | 29.4°C18.8°C | 18.8°C | 110 | 12.6 | 12.613 h |
| November | 28.7°C19.3°C | 19.3°C | 156 | 15.5 | 13.213 h |
| December | 29.0°C20.5°C | 20.5°C | 191 | 20.2 | 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
- Bauru in OctoberBrazil · 52 kmHigh 29.3°C · Low 18.8°C · 110 mm rain
- Botucatu in OctoberBrazil · 67 kmHigh 26.5°C · Low 16.0°C · 142 mm rain
- Araraquara in OctoberBrazil · 68 kmHigh 28.9°C · Low 18.8°C · 115 mm rain
- São Carlos in OctoberBrazil · 75 kmHigh 27.8°C · Low 17.4°C · 114 mm rain
- Matão in OctoberBrazil · 80 kmHigh 29.8°C · Low 19.7°C · 126 mm rain
- Avaré in OctoberBrazil · 97 kmHigh 26.4°C · Low 16.6°C · 113 mm rain
- Rio Claro in OctoberBrazil · 103 kmHigh 28.4°C · Low 17.5°C · 128 mm rain
- Piracicaba in OctoberBrazil · 105 kmHigh 28.9°C · Low 18.0°C · 104 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 Jaú) is explained once on the Jaú year overview and on the Sources, method and limits page.