Climate averages 1991–2020
São Roque weather
in January.
A warm, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in São Roque: daytime highs average 26.5°C and nights cool to about 19.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 229 mm of rain on roughly 22 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 24 min on an average January day.
The nearest other city in this atlas is Ibiúna (17 km away). In January its highs average 25.7°C, 0.8°C cooler than São Roque, with 275 mm of rain.
Among the 448 cities listed in Brazil, São Roque ranks joint 378th of 448 for the warmest January highs and joint 233rd of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; São Roque is 2.0°C cooler than that mean.
From January to February, average highs rise by 0.3°C to 26.8°C, and monthly rainfall falls from 229 mm to 162 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 Roque climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 26.5°C19.0°C | 19.0°C | 229 | 22.2 | 13.413 h |
| February | 26.8°C19.1°C | 19.1°C | 162 | 19.0 | 12.913 h |
| March | 25.9°C18.3°C | 18.3°C | 125 | 17.9 | 12.212 h |
| April | 24.7°C16.7°C | 16.7°C | 60 | 8.5 | 11.612 h |
| May | 22.1°C14.0°C | 14.0°C | 59 | 6.9 | 11.011 h |
| June | 21.4°C12.9°C | 12.9°C | 48 | 5.2 | 10.711 h |
| July | 21.5°C12.2°C | 12.2°C | 45 | 4.9 | 10.811 h |
| August | 23.2°C12.9°C | 12.9°C | 37 | 4.7 | 11.311 h |
| September | 24.6°C14.6°C | 14.6°C | 82 | 8.9 | 11.912 h |
| October | 25.5°C16.1°C | 16.1°C | 108 | 13.0 | 12.613 h |
| November | 25.3°C16.7°C | 16.7°C | 141 | 15.6 | 13.213 h |
| December | 26.3°C18.2°C | 18.2°C | 178 | 20.0 | 13.614 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
- Ibiúna in JanuaryBrazil · 17 kmHigh 25.7°C · Low 18.7°C · 275 mm rain
- Santana de Parnaíba in JanuaryBrazil · 24 kmHigh 26.8°C · Low 19.2°C · 230 mm rain
- Barueri in JanuaryBrazil · 27 kmHigh 26.7°C · Low 19.2°C · 230 mm rain
- Votorantim in JanuaryBrazil · 31 kmHigh 27.8°C · Low 19.9°C · 218 mm rain
- Embu das Artes in JanuaryBrazil · 32 kmHigh 26.2°C · Low 19.0°C · 288 mm rain
- Sorocaba in JanuaryBrazil · 33 kmHigh 27.5°C · Low 19.5°C · 218 mm rain
- Itu in JanuaryBrazil · 34 kmHigh 27.6°C · Low 19.6°C · 237 mm rain
- Osasco in JanuaryBrazil · 35 kmHigh 26.5°C · Low 18.9°C · 222 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 Roque) is explained once on the São Roque year overview and on the Sources, method and limits page.