Climate averages 1991–2020
São Sebastião (Sao Paulo), Brazil weather
in April.
A warm, wet month: the 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in São Sebastião (Sao Paulo), Brazil: daytime highs average 26.0°C and nights cool to about 22.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 130 mm of rain on roughly 14 days, which makes April a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 33 min on an average April day.
The nearest other city in this atlas is Caraguatatuba (16 km away). In April its highs average 26.7°C, 0.7°C warmer than São Sebastião (Sao Paulo), Brazil, with 106 mm of rain.
Among the 448 cities listed in Brazil, São Sebastião (Sao Paulo), Brazil ranks joint 294th of 448 for the warmest April highs and 343rd of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; São Sebastião (Sao Paulo), Brazil is 0.9°C cooler than that mean.
From April to May, average highs fall by 1.9°C to 24.1°C, and monthly rainfall falls from 130 mm to 115 mm.
The annual picture
April 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 Sebastião (Sao Paulo), Brazil climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.8°C23.9°C | 23.9°C | 277 | 22.3 | 13.413 h |
| February | 28.1°C24.1°C | 24.1°C | 231 | 19.7 | 12.913 h |
| March | 27.2°C23.4°C | 23.4°C | 236 | 20.4 | 12.212 h |
| April, selected | 26.0°C22.0°C | 22.0°C | 130 | 13.7 | 11.612 h |
| May | 24.1°C19.9°C | 19.9°C | 115 | 11.8 | 11.011 h |
| June | 23.5°C18.7°C | 18.7°C | 82 | 9.5 | 10.711 h |
| July | 22.9°C18.0°C | 18.0°C | 92 | 8.7 | 10.811 h |
| August | 23.0°C18.1°C | 18.1°C | 76 | 8.9 | 11.311 h |
| September | 23.4°C19.0°C | 19.0°C | 132 | 13.8 | 11.912 h |
| October | 24.3°C20.2°C | 20.2°C | 146 | 15.2 | 12.613 h |
| November | 24.9°C21.0°C | 21.0°C | 187 | 17.5 | 13.213 h |
| December | 26.7°C22.7°C | 22.7°C | 214 | 19.2 | 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
April in nearby cities
- Caraguatatuba in AprilBrazil · 16 kmHigh 26.7°C · Low 21.6°C · 106 mm rain
- Ubatuba in AprilBrazil · 50 kmHigh 25.3°C · Low 21.1°C · 134 mm rain
- Jacareí in AprilBrazil · 76 kmHigh 25.5°C · Low 17.2°C · 57 mm rain
- Caçapava in AprilBrazil · 79 kmHigh 25.7°C · Low 17.1°C · 74 mm rain
- São José dos Campos in AprilBrazil · 81 kmHigh 25.6°C · Low 17.2°C · 57 mm rain
- Taubaté in AprilBrazil · 83 kmHigh 25.5°C · Low 16.7°C · 71 mm rain
- Mogi das Cruzes in AprilBrazil · 84 kmHigh 24.3°C · Low 16.6°C · 70 mm rain
- Pindamonhangaba in AprilBrazil · 93 kmHigh 26.0°C · Low 17.1°C · 71 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 Sebastião) is explained once on the São Sebastião (Sao Paulo), Brazil year overview and on the Sources, method and limits page.