Climate averages 1991–2020
São Sebastião (Sao Paulo), Brazil weather
in March.
A warm, very wet month: the 3rd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in São Sebastião (Sao Paulo), Brazil: daytime highs average 27.2°C and nights cool to about 23.4°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 236 mm of rain on roughly 20 days, which makes March a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average March day.
The nearest other city in this atlas is Caraguatatuba (16 km away). In March its highs average 27.9°C, 0.7°C warmer than São Sebastião (Sao Paulo), Brazil, with 214 mm of rain.
Among the 448 cities listed in Brazil, São Sebastião (Sao Paulo), Brazil ranks joint 283rd of 448 for the warmest March highs and 383rd of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; São Sebastião (Sao Paulo), Brazil is 0.7°C cooler than that mean.
From March to April, average highs fall by 1.2°C to 26.0°C, and monthly rainfall falls from 236 mm to 130 mm.
The annual picture
March 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, selected | 27.2°C23.4°C | 23.4°C | 236 | 20.4 | 12.212 h |
| April | 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
March in nearby cities
- Caraguatatuba in MarchBrazil · 16 kmHigh 27.9°C · Low 23.1°C · 214 mm rain
- Ubatuba in MarchBrazil · 50 kmHigh 26.5°C · Low 22.5°C · 189 mm rain
- Jacareí in MarchBrazil · 76 kmHigh 26.7°C · Low 18.9°C · 139 mm rain
- Caçapava in MarchBrazil · 79 kmHigh 26.8°C · Low 18.7°C · 190 mm rain
- São José dos Campos in MarchBrazil · 81 kmHigh 26.8°C · Low 18.8°C · 139 mm rain
- Taubaté in MarchBrazil · 83 kmHigh 26.6°C · Low 18.2°C · 183 mm rain
- Mogi das Cruzes in MarchBrazil · 84 kmHigh 25.6°C · Low 18.2°C · 171 mm rain
- Pindamonhangaba in MarchBrazil · 93 kmHigh 27.2°C · Low 18.6°C · 183 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.