Salta weather in December
December in Salta: warm, soaked, with clean air — a great time to visit.
#11 of 12 months in Salta · #194 of 604 destinations to visit in December · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Salta climate normals — December
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 255 mm / 10 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 13.6 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Salta in December — FAQ
- Is December a good time to visit Salta?
- December in Salta: warm, soaked, with clean air — a great time to visit. It ranks #11 of 12 months for Salta on SeasonMap's comfort score (78/100).
- What is the weather like in Salta in December?
- In December, Salta averages a daily high of 25.3°C and a low of 16.6°C, with about 255 mm of rain over roughly 21.8 rainy days.
- What is the air quality in Salta in December?
- Salta has a mean US Air Quality Index of about 31 in December.