São Paulo weather in May
May in São Paulo: nice, a little rain, with very humid — one of the best months to visit.
#2 of 12 months in São Paulo · #162 of 604 destinations to visit in May · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
São Paulo climate normals — May
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 35 mm / 1.4 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 11 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 87 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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São Paulo in May — FAQ
- Is May a good time to visit São Paulo?
- May in São Paulo: nice, a little rain, with very humid — one of the best months to visit. It ranks #2 of 12 months for São Paulo on SeasonMap's comfort score (87/100).
- What is the weather like in São Paulo in May?
- In May, São Paulo averages a daily high of 22.9°C and a low of 14°C, with about 34.6 mm of rain over roughly 5.8 rainy days.
- What is the air quality in São Paulo in May?
- São Paulo has a mean US Air Quality Index of about 87 in May.