Climate averages 1991–2020
São João da Boa Vista weather
in May.
A warm, moderately wet month: the 10th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in São João da Boa Vista: daytime highs average 23.9°C and nights cool to about 13.7°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 56 mm of rain on roughly 6 days, which makes May a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 05 min on an average May day.
The nearest other city in this atlas is Poços de Caldas (32 km away). In May its highs average 21.3°C, 2.6°C cooler than São João da Boa Vista, with 62 mm of rain.
Among the 448 cities listed in Brazil, São João da Boa Vista ranks joint 294th of 448 for the warmest May highs and joint 151st of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; São João da Boa Vista is 1.4°C cooler than that mean.
From May to June, average highs fall by 0.4°C to 23.5°C, and monthly rainfall falls from 56 mm to 32 mm.
The annual picture
May 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 | 26.3°C16.7°C | 16.7°C | 80 | 10.3 | 11.612 h |
| May, selected | 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
May in nearby cities
- Poços de Caldas in MayBrazil · 32 kmHigh 21.3°C · Low 12.4°C · 62 mm rain
- Mogi Guaçu in MayBrazil · 47 kmHigh 24.5°C · Low 14.1°C · 56 mm rain
- Itapira in MayBrazil · 52 kmHigh 24.3°C · Low 14.2°C · 64 mm rain
- Mogi Mirim in MayBrazil · 54 kmHigh 24.4°C · Low 14.0°C · 64 mm rain
- Pirassununga in MayBrazil · 65 kmHigh 24.7°C · Low 14.6°C · 53 mm rain
- Leme in MayBrazil · 66 kmHigh 24.5°C · Low 14.5°C · 55 mm rain
- Araras in MayBrazil · 74 kmHigh 24.2°C · Low 14.4°C · 55 mm rain
- Cosmópolis in MayBrazil · 86 kmHigh 24.5°C · Low 14.5°C · 60 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.