Mendoza weather in December
December in Mendoza: hot, dry, with clean air — an excellent time to visit.
#6 of 12 months in Mendoza · #27 of 604 destinations to visit in December · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Mendoza climate normals — December
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 17 mm / 0.7 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 35% | 🌵 dry |
| Dew point | 7°C / 44°F | |
| Sunshine | 12.7 h/day | |
| Daylight | 14.3 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Mendoza?
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Mendoza in December — FAQ
- Is December a good time to visit Mendoza?
- December in Mendoza: hot, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Mendoza on SeasonMap's comfort score (90/100).
- What is the weather like in Mendoza in December?
- In December, Mendoza averages a daily high of 29.9°C and a low of 17.5°C, with about 16.8 mm of rain over roughly 3.6 rainy days.
- What is the air quality in Mendoza in December?
- Mendoza has a mean US Air Quality Index of about 33 in December.