Porto Alegre weather in April
April in Porto Alegre: warm, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Porto Alegre · #146 of 897 destinations to visit in April · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Porto Alegre in April
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Porto Alegre climate normals — April
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Rainfall | 62 mm / 2.4 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 11.4 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Porto Alegre in April — FAQ
- Is April a good time to visit Porto Alegre?
- April in Porto Alegre: warm, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Porto Alegre on SeasonMap's comfort score (89/100).
- What is the weather like in Porto Alegre in April?
- In April, Porto Alegre averages a daily high of 24.9°C and a low of 16.5°C, with about 61.7 mm of rain over roughly 6.8 rainy days.
- What is the air quality in Porto Alegre in April?
- Porto Alegre has a mean US Air Quality Index of about 42 in April.