Mendoza in December
In December, Mendoza averages 30°C (86°F) during the day and 18°C (65°F) at night, with around 5 days of rain (33 mm total).
High seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
December is a great month to visit Mendoza: pleasant temperatures and relatively few wet days.
How December compares to the rest of the year in Mendoza
December is one of the warmest months in Mendoza (2nd of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 8°C above the annual average (22°C). December runs 3°C warmer than November (27°C) and warms a further 1°C into January (31°C).
December sunrise & sunset in Mendoza
Times shown for Mendoza local time (America/Argentina/Mendoza), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Mendoza — December
Golden-hour and blue-hour windows for the 15th of December, in Mendoza's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Mendoza in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (High season) and Mendoza's popularity.
Crowds & pricing — December in Mendoza
This is a busy month in Mendoza — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather
Sun & mosquito risk — December in Mendoza
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Mendoza in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 31°C / 87°F | 20°C / 68°F | 52 mm | 6 | — |
| February | 28°C / 82°F | 18°C / 65°F | 50 mm | 7 | — |
| March | 26°C / 78°F | 16°C / 61°F | 42 mm | 7 | — |
| April | 21°C / 69°F | 12°C / 54°F | 38 mm | 6 | — |
| May | 16°C / 61°F | 8°C / 47°F | 31 mm | 6 | — |
| June | 13°C / 55°F | 4°C / 39°F | 13 mm | 4 | — |
| July | 13°C / 55°F | 4°C / 39°F | 11 mm | 3 | — |
| August | 17°C / 62°F | 6°C / 43°F | 19 mm | 3 | — |
| September | 20°C / 68°F | 9°C / 47°F | 15 mm | 4 | — |
| October | 23°C / 74°F | 12°C / 53°F | 37 mm | 6 | — |
| November | 27°C / 81°F | 15°C / 60°F | 32 mm | 5 | — |
| December | 30°C / 86°F | 18°C / 65°F | 33 mm | 5 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Mendoza in December →
Frequently asked questions
How hot is Mendoza in December?
In December, Mendoza averages a high of 30°C (86°F) and a low of 18°C (65°F) — generally hot.
Does it rain a lot in Mendoza in December?
December sees occasional rain in Mendoza, with about 5 rainy days on average.
Is December a good time to visit Mendoza?
December is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Mendoza in December?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full December packing list for Mendoza for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.