When to go · Mendoza
Mendoza in December
Good month. Outside the best window (Mar–Apr (harvest), Oct–Nov). Across Argentina: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
Key facts
- Verdict
- Good
- Temperature
- 32°C (90°F)90°F (32°C) / 18°C (64°F)64°F (18°C)
- average high / low
- Rain days
- 2
- Crowds
- High
- Argentina overall
- Prices
- High
- Argentina overall
Verdict
Outside the best window (Mar–Apr (harvest), Oct–Nov). Across Argentina: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
Is another month better than December?
December is rated good. These months rate higher:
Weather in December
- MendozaHighs around 32 °C (90 °F), lows around 18 °C (64 °F), rain on about 2 daysHighs around 90 °F (32 °C), lows around 64 °F (18 °C), rain on about 2 days
- Cuyo (Mendoza and the high Andes), Argentina · Mendoza, San Juan, Aconcaguafine
Dry and sunny; harvest (vendimia) in March; the pass to Chile can close with snow in June–September.
Crowds and prices
- Crowds · Argentina overall
- High
- Prices · Argentina overall
- High
Argentina overall: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Mendoza, side by side.
Verdict
Dec: Good
Mar: Great (better)
Daytime high
Dec: 32 °C (90 °F)90 °F (32 °C)
Mar: 28 °C (82 °F)82 °F (28 °C)
Night low
Dec: 18 °C (64 °F)64 °F (18 °C)
Mar: 16 °C (61 °F)61 °F (16 °C)
Rain days
Dec: 2 (better)
Mar: 3
Crowds
Dec: High
Mar: Medium
Prices
Dec: High
Mar: Medium
Festivals listed
Dec: 0
Mar: 1
December: Outside the best window (Mar–Apr (harvest), Oct–Nov). Across Argentina: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
March: Inside Mendoza's best window: Mar–Apr (harvest), Oct–Nov.
Mendoza: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen