Climate averages 1991–2020
Sertãozinho weather
in January.
A hot, very wet month: the 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Sertãozinho: daytime highs average 28.9°C and nights cool to about 21.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 238 mm of rain on roughly 21 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 15 min on an average January day.
The nearest other city in this atlas is Ribeirão Preto (19 km away). In January its highs average 28.9°C, about as warm as Sertãozinho, with 254 mm of rain.
Among the 448 cities listed in Brazil, Sertãozinho ranks joint 179th of 448 for the warmest January highs and joint 282nd of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Sertãozinho is 0.4°C warmer than that mean.
From January to February, average highs rise by 0.3°C to 29.2°C, and monthly rainfall falls from 238 mm to 159 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
Sertãozinho 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°C21.0°C | 21.0°C | 238 | 21.3 | 13.313 h |
| February | 29.2°C20.9°C | 20.9°C | 159 | 17.8 | 12.813 h |
| March | 28.6°C20.3°C | 20.3°C | 143 | 17.0 | 12.212 h |
| April | 28.2°C18.8°C | 18.8°C | 56 | 8.1 | 11.612 h |
| May | 26.1°C15.9°C | 15.9°C | 41 | 5.5 | 11.111 h |
| June | 25.9°C14.7°C | 14.7°C | 25 | 2.7 | 10.911 h |
| July | 26.4°C14.6°C | 14.6°C | 19 | 2.3 | 11.011 h |
| August | 28.8°C16.2°C | 16.2°C | 19 | 2.5 | 11.411 h |
| September | 30.6°C18.8°C | 18.8°C | 63 | 6.9 | 12.012 h |
| October | 30.7°C20.2°C | 20.2°C | 104 | 12.3 | 12.613 h |
| November | 29.3°C20.2°C | 20.2°C | 154 | 15.8 | 13.113 h |
| December | 29.0°C20.8°C | 20.8°C | 195 | 20.8 | 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
- Ribeirão Preto in JanuaryBrazil · 19 kmHigh 28.9°C · Low 20.9°C · 254 mm rain
- Jaboticabal in JanuaryBrazil · 37 kmHigh 28.4°C · Low 20.7°C · 270 mm rain
- Bebedouro in JanuaryBrazil · 55 kmHigh 28.8°C · Low 21.1°C · 259 mm rain
- Matão in JanuaryBrazil · 65 kmHigh 28.5°C · Low 20.9°C · 287 mm rain
- Araraquara in JanuaryBrazil · 75 kmHigh 27.8°C · Low 20.1°C · 265 mm rain
- Barretos in JanuaryBrazil · 88 kmHigh 29.0°C · Low 21.5°C · 259 mm rain
- Franca in JanuaryBrazil · 91 kmHigh 26.5°C · Low 18.8°C · 280 mm rain
- São Carlos in JanuaryBrazil · 98 kmHigh 26.8°C · Low 19.2°C · 260 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 Sertãozinho) is explained once on the Sertãozinho year overview and on the Sources, method and limits page.