Rosario weather in April
April in Rosario: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Rosario · #82 of 897 destinations to visit in April · comfort 92/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Rosario in April
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Rosario climate normals — April
| Daytime high | 24°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 58°F | |
| Rainfall | 81 mm / 3.2 in | 🌧 rainy |
| Rainy days | 7 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 9 h/day | |
| Daylight | 11.3 h | |
| Wind | 15 km/h / 10 mph | |
| Air quality (US AQI) | 21 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Rosario in April — FAQ
- Is April a good time to visit Rosario?
- April in Rosario: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Rosario on SeasonMap's comfort score (92/100).
- What is the weather like in Rosario in April?
- In April, Rosario averages a daily high of 23.6°C and a low of 14.3°C, with about 80.9 mm of rain over roughly 7 rainy days.
- What is the air quality in Rosario in April?
- Rosario has a mean US Air Quality Index of about 21 in April.