Asunción weather in January
January in Asunción: sweltering, rainy, with clean air — a good time to visit.
#12 of 12 months in Asunción · #349 of 604 destinations to visit in January · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Asunción climate normals — January
| Daytime high | 33°C / 92°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 144 mm / 5.7 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 56% | 🍃 comfortable |
| Dew point | 19°C / 66°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 13.5 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Asunción in January — FAQ
- Is January a good time to visit Asunción?
- January in Asunción: sweltering, rainy, with clean air — a good time to visit. It ranks #12 of 12 months for Asunción on SeasonMap's comfort score (65/100).
- What is the weather like in Asunción in January?
- In January, Asunción averages a daily high of 33.3°C and a low of 24.4°C, with about 143.7 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Asunción in January?
- Asunción has a mean US Air Quality Index of about 37 in January.