Climate averages 1991–2020
São José do Rio Preto weather
in January.
A hot, very wet month: the 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in São José do Rio Preto: daytime highs average 28.9°C and nights cool to about 21.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 271 mm of rain on roughly 24 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 14 min on an average January day.
The nearest other city in this atlas is Catanduva (55 km away). In January its highs average 28.9°C, about as warm as São José do Rio Preto, with 267 mm of rain.
Among the 448 cities listed in Brazil, São José do Rio Preto ranks joint 179th of 448 for the warmest January highs and joint 366th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; São José do Rio Preto is 0.5°C warmer than that mean.
From January to February, average highs rise by 0.2°C to 29.1°C, and monthly rainfall falls from 271 mm to 204 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Catanduva in JanuaryBrazil · 55 kmHigh 28.9°C · Low 21.4°C · 267 mm rain
- Votuporanga in JanuaryBrazil · 76 kmHigh 28.7°C · Low 21.5°C · 253 mm rain
- Barretos in JanuaryBrazil · 89 kmHigh 29.0°C · Low 21.5°C · 259 mm rain
- Bebedouro in JanuaryBrazil · 95 kmHigh 28.8°C · Low 21.1°C · 259 mm rain
- Lins in JanuaryBrazil · 103 kmHigh 29.4°C · Low 22.1°C · 247 mm rain
- Fernandópolis in JanuaryBrazil · 108 kmHigh 28.7°C · Low 21.6°C · 246 mm rain
- Birigui in JanuaryBrazil · 112 kmHigh 29.4°C · Low 22.2°C · 243 mm rain
- Araçatuba in JanuaryBrazil · 118 kmHigh 29.5°C · Low 22.3°C · 256 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.