Asunción weather in May
May in Asunción: warm, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Asunción · #278 of 604 destinations to visit in May · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Asunción climate normals — May
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 100 mm / 4 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 7.6 h/day | |
| Daylight | 10.9 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Asunción in May — FAQ
- Is May a good time to visit Asunción?
- May in Asunción: warm, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Asunción on SeasonMap's comfort score (82/100).
- What is the weather like in Asunción in May?
- In May, Asunción averages a daily high of 23.8°C and a low of 15.8°C, with about 100.4 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Asunción in May?
- Asunción has a mean US Air Quality Index of about 33 in May.