Climate averages 1991–2020
São José do Rio Preto weather
in August.
A hot, fairly dry month: the joint 5th 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 hot month in São José do Rio Preto: daytime highs average 29.0°C and nights cool to about 17.2°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 19 mm of rain on roughly 3 days, which makes August a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 24 min on an average August day.
The nearest other city in this atlas is Catanduva (55 km away). In August its highs average 28.7°C, about as warm as São José do Rio Preto, with 22 mm of rain.
Among the 448 cities listed in Brazil, São José do Rio Preto ranks 113th of 448 for the warmest August highs and joint 143rd of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; São José do Rio Preto is 2.8°C warmer than that mean.
From August to September, average highs rise by 1.7°C to 30.7°C, and monthly rainfall rises from 19 mm to 59 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
São José do Rio Preto climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.9°C21.7°C | 21.7°C | 271 | 23.5 | 13.213 h |
| February | 29.1°C21.6°C | 21.6°C | 204 | 20.7 | 12.813 h |
| March | 28.6°C21.1°C | 21.1°C | 184 | 20.1 | 12.212 h |
| April | 28.2°C19.6°C | 19.6°C | 70 | 9.4 | 11.612 h |
| May | 26.2°C16.8°C | 16.8°C | 47 | 4.9 | 11.111 h |
| June | 25.9°C15.9°C | 15.9°C | 26 | 3.1 | 10.911 h |
| July | 26.5°C15.8°C | 15.8°C | 15 | 2.3 | 11.011 h |
| August, selected | 29.0°C17.2°C | 17.2°C | 19 | 2.6 | 11.411 h |
| September | 30.7°C19.4°C | 19.4°C | 59 | 6.9 | 12.012 h |
| October | 30.8°C20.8°C | 20.8°C | 119 | 13.2 | 12.613 h |
| November | 29.4°C20.8°C | 20.8°C | 172 | 17.6 | 13.113 h |
| December | 29.0°C21.5°C | 21.5°C | 234 | 22.9 | 13.413 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
- Catanduva in AugustBrazil · 55 kmHigh 28.7°C · Low 16.7°C · 22 mm rain
- Votuporanga in AugustBrazil · 76 kmHigh 29.4°C · Low 17.3°C · 17 mm rain
- Barretos in AugustBrazil · 89 kmHigh 29.1°C · Low 17.1°C · 15 mm rain
- Bebedouro in AugustBrazil · 95 kmHigh 28.6°C · Low 16.4°C · 19 mm rain
- Lins in AugustBrazil · 103 kmHigh 28.6°C · Low 16.7°C · 28 mm rain
- Fernandópolis in AugustBrazil · 108 kmHigh 29.3°C · Low 17.4°C · 16 mm rain
- Birigui in AugustBrazil · 112 kmHigh 29.2°C · Low 16.5°C · 20 mm rain
- Araçatuba in AugustBrazil · 118 kmHigh 29.4°C · Low 16.9°C · 22 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 José do Rio Preto) is explained once on the São José do Rio Preto year overview and on the Sources, method and limits page.