Curitiba weather in May
May in Curitiba: nice, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Curitiba · #341 of 897 destinations to visit in May · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Curitiba in May
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Curitiba climate normals — May
| Daytime high | 20°C / 68°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Rainfall | 92 mm / 3.6 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 7.6 h/day | |
| Daylight | 10.9 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Curitiba in May — FAQ
- Is May a good time to visit Curitiba?
- May in Curitiba: nice, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Curitiba on SeasonMap's comfort score (85/100).
- What is the weather like in Curitiba in May?
- In May, Curitiba averages a daily high of 20°C and a low of 12.2°C, with about 92.3 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Curitiba in May?
- Curitiba has a mean US Air Quality Index of about 41 in May.