Climate averages 1991–2020
Jaú weather
in August.
A warm, fairly dry month: the 9th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Jaú: daytime highs average 27.0°C and nights cool to about 15.0°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 29 mm of rain on roughly 4 days, which makes August a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 21 min on an average August day.
The nearest other city in this atlas is Bauru (52 km away). In August its highs average 26.9°C, about as warm as Jaú, with 32 mm of rain.
Among the 448 cities listed in Brazil, Jaú ranks joint 156th of 448 for the warmest August highs and joint 188th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Jaú is 0.8°C warmer than that mean.
From August to September, average highs rise by 1.9°C to 28.8°C, and monthly rainfall rises from 29 mm to 64 mm.
The annual picture
August 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, selected | 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 | 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
August in nearby cities
- Bauru in AugustBrazil · 52 kmHigh 26.9°C · Low 14.9°C · 32 mm rain
- Botucatu in AugustBrazil · 67 kmHigh 23.9°C · Low 12.2°C · 43 mm rain
- Araraquara in AugustBrazil · 68 kmHigh 26.8°C · Low 15.1°C · 26 mm rain
- São Carlos in AugustBrazil · 75 kmHigh 25.6°C · Low 13.4°C · 26 mm rain
- Matão in AugustBrazil · 80 kmHigh 27.8°C · Low 16.0°C · 24 mm rain
- Avaré in AugustBrazil · 97 kmHigh 24.0°C · Low 13.1°C · 38 mm rain
- Rio Claro in AugustBrazil · 103 kmHigh 26.1°C · Low 13.3°C · 32 mm rain
- Piracicaba in AugustBrazil · 105 kmHigh 26.5°C · Low 13.8°C · 30 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.