Climate averages 1991–2020
São João da Boa Vista weather
in April.
A warm, moderately wet month: the 8th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in São João da Boa Vista: daytime highs average 26.3°C and nights cool to about 16.7°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 80 mm of rain on roughly 10 days, which makes April a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 36 min on an average April day.
The nearest other city in this atlas is Poços de Caldas (32 km away). In April its highs average 23.5°C, 2.8°C cooler than São João da Boa Vista, with 88 mm of rain.
Among the 448 cities listed in Brazil, São João da Boa Vista ranks joint 272nd of 448 for the warmest April highs and joint 189th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; São João da Boa Vista is 0.7°C cooler than that mean.
From April to May, average highs fall by 2.3°C to 23.9°C, and monthly rainfall falls from 80 mm to 56 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 João da Boa Vista climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.6°C19.5°C | 19.5°C | 282 | 24.0 | 13.313 h |
| February | 27.8°C19.4°C | 19.4°C | 213 | 20.3 | 12.813 h |
| March | 27.2°C18.6°C | 18.6°C | 183 | 19.9 | 12.212 h |
| April, selected | 26.3°C16.7°C | 16.7°C | 80 | 10.3 | 11.612 h |
| May | 23.9°C13.7°C | 13.7°C | 56 | 6.4 | 11.111 h |
| June | 23.5°C12.5°C | 12.5°C | 32 | 4.1 | 10.811 h |
| July | 23.8°C12.2°C | 12.2°C | 27 | 3.3 | 10.911 h |
| August | 25.8°C13.5°C | 13.5°C | 26 | 3.7 | 11.411 h |
| September | 27.7°C16.2°C | 16.2°C | 77 | 8.7 | 12.012 h |
| October | 28.1°C18.0°C | 18.0°C | 122 | 14.5 | 12.613 h |
| November | 27.2°C18.4°C | 18.4°C | 191 | 19.4 | 13.113 h |
| December | 27.5°C19.2°C | 19.2°C | 245 | 23.4 | 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
April in nearby cities
- Poços de Caldas in AprilBrazil · 32 kmHigh 23.5°C · Low 15.2°C · 88 mm rain
- Mogi Guaçu in AprilBrazil · 47 kmHigh 27.0°C · Low 17.1°C · 72 mm rain
- Itapira in AprilBrazil · 52 kmHigh 26.8°C · Low 17.2°C · 70 mm rain
- Mogi Mirim in AprilBrazil · 54 kmHigh 26.8°C · Low 17.1°C · 73 mm rain
- Pirassununga in AprilBrazil · 65 kmHigh 27.0°C · Low 17.6°C · 62 mm rain
- Leme in AprilBrazil · 66 kmHigh 26.9°C · Low 17.5°C · 70 mm rain
- Araras in AprilBrazil · 74 kmHigh 26.6°C · Low 17.4°C · 70 mm rain
- Cosmópolis in AprilBrazil · 86 kmHigh 27.0°C · Low 17.5°C · 67 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 João da Boa Vista) is explained once on the São João da Boa Vista year overview and on the Sources, method and limits page.